Esp32 nvs exampleงาน

ESP32 Arduino Sketch and Google Sheets Script We are looking for a skilled developer to create a simple ESP32 Arduino sketch along with a script for Google Sheets. The purpose of the following system will be to determine when an ESP32 starts running and when it stops running and to determine how long it was running for and how long it was not running for. Create an Arduino sketch running on an ESP32. The sketch will send a message to a Google Sheet every ten seconds. Create a Google Sheet to receive the messages and record the time when messages are received. The first message after a period of not receiving any messages will be a start time. When new messages are received, the time elapsed between the start time and the current message will be calculated an...

We are looking for an experienced Firmware developer and Electronics Engineer (EE). You will continue the development of an STM32 design and a seperate ESP32 design - both with BLE. Also you will continue the electronics design of the board, simulate the circuits and layout a PCB, while communicating with clients, vendors and the team. You will be working for a small StartUp and directly report the the CEO, who is also an EE. We are looking long-term to acquire a Senior EE for a permanent role in the team. We run the company fully remote, online and have staff located globally. So you can locate yourself as you see fit. We are demanding as we do require high quality work, there is no place for an EE that cannot or will not do the detailed work and limit the number of mistakes...

I'm seeking a skilled professional to assist with integrating my Guition ESP32-S3-4848S040 board into SquareLine Studio for the Arduino IDE. The ultimate goal is to produce a complete set of files that adhere to the specified requirements. Here are links to descriptions of a board, specifically mine is ESP32-S3, ST7701, GT911, and requires the CH340 driver: General description: Additional information about the board: I am looking for a fully functional set of files for SquareLine Studio that meet the requirements outlined below: Ideal Skills and Experience: - Proficient in C/C++ programming - Experienced in

...System: Energy Management: Solar panels (10-20W) with MPPT controller. Three 12V, 10Ah LiFePO4 batteries with automatic rotation to maximize lifespan. Voltage regulators to power components at 5V and 3.3V. Motion Detection and Processing: PIR sensors to trigger system activation. OV2640 cameras controlled by microcontrollers (ESP32 or STM32) and managed using MOSFETs. AI Processing: Coral Dev Board Micro for real-time inferences. Communication Modules: Wi-Fi (ESP32), LoRaWAN (Heltec LoRa), or 4G/LTE (SIM7600), selectable based on site requirements. System Monitoring and Management: Secondary microcontroller for managing energy, environmental sensors (temperature and humidity), and communication modules. Freelancer Responsibilities: Design the system PCB considering ...

I am seeking a highly skilled developer ...hardware and software experience in managing 230V AC and DC current power switching. The project involves controlling heating elements through an Arduino ESP32 platform. Key Project Features: - Control: The system will primarily control heating elements. - Efficiency: A major focus will be on energy efficiency, so expertise in developing energy-efficient systems is crucial. - Remote Management: The system is to be controlled via a web interface, so experience in web-based control systems is a plus. Ideal Skills: - Proficiency in hardware and software development, particularly in power switching. - Extensive experience with Arduino ESP32. - Strong background in developing energy-efficient systems. - Previous work with web interface...

I'm seeking a skilled professional to assist with integrating my Guition ESP32-S3-4848S040 board into SquareLine Studio for the Arduino IDE. The ultimate goal is to produce a complete set of files that adhere to the specified requirements. Here are links to descriptions of a board, specifically mine is ESP32-S3, ST7701, GT911, and requires the CH340 driver: General description: Additional information about the board: I am looking for a fully functional set of files for SquareLine Studio that meet the requirements outlined below: Ideal Skills and Experience: - Proficient in C/C++ programming - Experienced in

...looking to design a gate that opens via facial recognition to allow only subscribers to enter. You can use Raspberry Pi, ESP32, or any other reliable method. The main aim is to ensure an efficient facial recognition system that can securely manage entry. Key Requirements: - Use of any reliable method for the facial recognition system. - No specific facial recognition software in mind, but familiarity with options like OpenCV or FaceNet may be beneficial. - Potential to incorporate additional features like logging entry times, remote access control, and alerts for unauthorized attempts. Ideal Skills and Experience: - Proficiency in hardware programming with Raspberry Pi, ESP32 or similar. - Experience with facial recognition systems. - Knowledge of relevant software like ...

...ground and overhead water levels. This system should also monitor current and voltage, and control reserve water. Key Features: - Compatibility with single or three-phase pumps and power starters, up to 30amp switching. - Utilization of a microcontroller, specifically the ESP32 WROOM. - Incorporation of an OLED display, with a manual toggle switch. - Implementation of water level detection via the water conductivity method. Ideal Skills and Experience: - Proficient in microcontroller programming, particularly with ESP32. - Previous experience designing water pump controllers. - Understanding of water conductivity level detection. - It is capable of working with OLED displays and toggle switches. - Knowledge of single and three-phase systems. Milestones are only realized...

Project Requirement: Line Recorder with Bluetooth Objective: Develop a compact Line Recorder device with Bluetooth connectivity that connects to a mobile app for controlling and managing ...Establish a Bluetooth connection with a mobile app. * Mobile app controls: * Start/Stop Recording: Signal the device to begin or stop recording. * Download Recordings: Retrieve the recorded audio file via Bluetooth. * Clear Storage: Automatically delete the recording after download. 3. Recording Capabilities: * Record audio passing through the 3.5mm * Use the ESP32’s internal ADC for recording,We just require normal speech quality data. If this does not work at all then consider using an external i2c or some adc that is cheap We will develop the mobile ...

I'm looking for a professional who can help me integrate an HTTP request from a webpage slider to an ESP32. The objective is to control a motor's speed based on the slider's position. Key Requirements: - The slider should allow for a linear increase or decrease in motor speed. - The ESP32 should accurately interpret the slider's position and adjust the motor speed accordingly. - The webpage should display the current speed of the motor after each adjustment. Ideal Skills: - Experience with ESP32 and motor control. - Proficient in web development and HTTP requests. - Ability to create real-time feedback on a webpage. Please review the attached zip files before bidding.

...freelancer experienced in Machine Learning, Arduino IDE, and TensorFlow Lite for Microcontrollers (TinyML) to convert and deploy an existing ML model onto an Arduino ESP32. The model processes Gyroscope and Accelerometer data to detect Freezing of Gait (FoG) in Parkinson's Disease patients. Key Tasks: - Convert the provided Python ML Code into C/C++ compatible with Arduino IDE - Implement data processing and model inference logic on the microcontroller - Use TensorFlow Lite for Microcontrollers to convert and deploy the ML model Ideal Skills: - Proficient in Python and C/C++ - Extensive experience with Arduino IDE and Arduino ESP32 - Knowledgeable in TensorFlow Lite for Microcontrollers - Understanding of Machine Learning concepts and algorithms - Familiar with Gyro...

...professional and sleek interface for a cross-platform (Android & iOS) app that communicates with a microprocessor ESP32 via Bluetooth. The app will have the following key functionality: - Real-time data display: The app should be able to visualize data from the ESP32 in real time. - Real-time parameters settings: the app should de able to send modificated parameters te ESP32 The ideal candidate for this project should have: - Demonstrable experience in cross-platform app development, particularly with Bluetooth connectivity. - A strong background in UI/UX design, with the ability to create a professional and sleek interface. - Experience working with microprocessors, particularly the ESP32, would be a plus. - A portfolio of similar apps would be highly...

I'm looking for an experienced professional who can assist me with designing a schematic and PCB for an ESP32 project. The primary function of this project is interfacing with light sensors. Project Requirements: - Design a schematic and PCB for an ESP32 - Integrate light sensors into the design - Create firmware for the ESP32 to handle sensor interfacing - The light sensors will be specifically used for UV testing Ideal Skills and Experience: - Profound knowledge and experience in PCB and schematic design - Strong skills in firmware development for ESP32 - Experience with light sensor integration and handling - Good understanding of UV testing requirements SPECS ATTACHED

Project: Interactive Lessons on ESP32, IMU6050, and GPS for Real-Time Data Visualization and Storage I am looking for an expert to provide interactive lessons starting from scratch on how to use the ESP32 with the IMU6050 sensor (accelerometer and gyroscope) and a mini GPS sensor. The lessons should cover: Setting up and using the ESP32 with the IMU6050 and GPS sensor. Collecting data from these sensors and displaying it in real-time on a website. Storing this data for later use. The lessons should be hands-on, with clear step-by-step guidance and practical examples. The ideal candidate should have experience in the mentioned components, as well as real-time data projects.

I need a professional to design and develop a low-noise PCB based on the ESP32-S3. The board must include an External Flash/PSRAM, ADS1256 ADC, USB-C, and a battery management system. - Primary Application: This PCB is meant for an IoT device, so the design should reflect the needs of this specific application. - Key Feature: The most critical aspect of this IoT device is its wireless connectivity. Therefore, the design and components must facilitate robust, efficient, and reliable wireless performance. - Connectivity Requirements: The device will primarily use Wi-Fi, so the PCB and its components must support and optimize for this type of wireless connectivity. - Integrate EMI shielding techniques to minimize electromagnetic interference with the IoT device's components. - I...

I'm looking for a PCB design expert who can help me design a board that captures frames from a composite video input, stores them in SRAM and allows for reading this data via a known protocol using an ESP32. The ESP32 can either be integrated into the PCB or designed as a standalone board - I'm open to either option. Requirements: - PCB design to capture composite video frames - SRAM based storage - Data retrieval via ESP32 using known protocol - Flexibility of ESP32 either integrated or standalone Please include in your bid: - Your proposed chip for the design - Estimated cost of the Bill of Materials (BOM)

...a skilled developer to help me optimize and improve a React Native mobile app that controls a smart device (an ESP32 with a speaker). The app connects to the device via BLE and then over WiFi. It plays audio at scheduled intervals, responds to manual triggers, and can play either on the phone, the device, or both depending on user selection in settings Already implemented: - Sign in/Login firebase auth - Homepage - Settings page - Device page (once device is connected to show now playing audio, and controls for pause/play/volume) Key Features: - Scheduled audio playback on device speaker, and on mobile as notification - Manual trigger audio playback - Communication with the ESP32 device (play/pause/mute/volume) - Bug fixes and code optimization for performance, UI consis...

...a skilled developer to help me optimize and improve a React Native mobile app that controls a smart device (an ESP32 with a speaker). The app connects to the device via BLE and then over WiFi. It plays audio at scheduled intervals, responds to manual triggers, and can play either on the phone, the device, or both depending on user selection in settings Already implemented: - Sign in/Login firebase auth - Homepage - Settings page - Device page (once device is connected to show now playing audio, and controls for pause/play/volume) Key Features: - Scheduled audio playback on device speaker, and on mobile as notification - Manual trigger audio playback - Communication with the ESP32 device (play/pause/mute/volume) - Bug fixes and code optimization for performance, UI consis...

A PCB design is required for IoT smart farming. The design should enable the DHT11 and Soil Moisture sensors to send signals to an ESP32. The PCB should include an LCD screen and be connected to a water pump through a relay.

I'm seeking a skilled programmer with experience in Arduino and ESP32 to develop a program for an automated robot arm. Key requirements: - The robot arm must be controlled automatically, not manually or remotely. - The control mechanism is based on sensors, specifically proximity sensors, motion sensors, and force sensors. - The programmer will need to integrate these sensors into the control system of the robot arm. - The robot arm must provide real-time monitoring and telemetry data to a user interface or dashboard. Ideal skills for this project include: - Proficiency in Arduino and ESP32 programming. - Experience with robot arm programming. - Knowledge in integrating and programming with various sensors. - Strong problem-solving skills to ensure effective control ...

I'm seeking a developer to complete a matter project that interfaces with an ESP32-C6 to control a WS2812B LED strip. The current setup is connected to GPIO9 and is based on the example found at LED functions using RMT: Reference: Key Requirements. These requirements are for the most part satisfied within the esp-matter light example. - The LED strip should display a static color. - The color should be adjustable using custom RGB values input. - The control methods for the LED strip should be compatible with Homekit and Google Home. - The LED strip brightness

...using BLE. - Experience with continuous activation solenoid operations. - Deep understanding of firmware development, as this is the main area where I need assistance. The project does not require hardware design or app development, but a strong background in these areas would be beneficial. The proximity detection should work within a 1-2 meter range. The firmware should be developed for the ESP32 platform. Please ensure the system includes encryption for secure communication. The system should utilize LED indicators to show the current state. The LED indicators should display four states: idle, approaching, unlocked, and locked. Use standard LED colors: red for locked, green for unlocked, blue for idle, and yellow for approaching. The unlocking process should be initiated via...

...have the board to be able to select between two I2C addresses so that needs to be verified. I can provide the necessary information on Analog offsets and will need assistance setting the registers. A schematic can be provided once a candidate is selcted Key Requirements: - Expertise in I2C communication - Experience with A to D converters - Proficiency in setting up Arduino, Raspberry Pi, or ESP32 - Ability to deliver high-accuracy data readings The ideal candidate will have experience in creating communication platforms, particularly for research and development purposes. I aim to achieve high data accuracy, so a keen attention to detail and precision is essential. The chosen platform for this project can be discussed and will depend on the most suitable option for achievin...

...bug on my ESP32 PCBA. The readings from the potentiometer are fixed at 4294967294 and do not change when I rotate it. I have another potentiometer that works fine, so I suspect this is a PCBA hardware issue. I am looking for someone to guide my team in fixing this issue on the current boards. I can provide PCBA schematics, firmware, and component datasheets for reference. Once this issue is resolved, I need to redesign the board to: - Implement a permanent fix for the potentiometer - Correct the routing for the CH340 USB to serial, which we manually fixed - Minimize the size of the 3 x 16 pin connectors The priority of the redesign is finding a permanent fix for the potentiometer. Ideal candidates for this project should have extensive experience with PCBA, particularly with...

I'm looking for a website designer who can create a multi-page layout similar to Example A, specifically incorporating its layout structure. Key Requirements: - Ability to mimic the layout structure of Example A - Expertise in multi-page website design - Familiarity with responsive design principles to ensure the site is mobile-friendly Ideal Skills and Experience: - Proven track record of website design - Strong understanding of layout structures and design principles - Ability to deliver high-quality, visually appealing designs

I am looking to develop a small, portable hardware device based on the ESP32 platform. This device will function as a Bluetooth headset receiver enabling connection with a phone, and will also have a 3.5mm output for connecting to headphones with a microphone. Key Features: - Dual functionality: Hands-free calling and audio recording. - Basic audio quality: The device does not require high-end audio processing capabilities. - Up to 4 hours of battery life: The device should be powered by a compact battery pack, delivering sufficient power for short trips or commutes. The device will communicate with a mobile application to receive instructions for recording. It should be capable of detecting phone calls and recording them automatically. After each call, there needs to be a mechan...

I am looking to develop a small, portable hardware device based on the ESP32 platform. This device will function as a Bluetooth headset receiver enabling connection with a phone, and will also have a 3.5mm output for connecting to headphones with a microphone. Key Features: - Dual functionality: Hands-free calling and audio recording. - Basic audio quality: The device does not require high-end audio processing capabilities. - Up to 4 hours of battery life: The device should be powered by a compact battery pack, delivering sufficient power for short trips or commutes. The device will communicate with a mobile application to receive instructions for recording. It should be capable of detecting phone calls and recording them automatically. After each call, there needs to be a mechan...

I want to create a few lines of code related to a PineScript TradingView strategy based on one TradingView indicator. Basically, I need the and the based on conditions that I will provide. Please, only answer if you have experience in TradingView and PineScript.

I'm seeking a professional to analyse my PCB design for power efficiency, optimization and EMC improvements. The design features a Microcontroller ESP32-S3, a Camera Module OV2640, and is powered by a 3.7V Lithium-Ion Battery. Objectives of the analysis include: 1. Identifying potential power issues 2. Providing specific recommendations for power optimization 3. Suggesting EMC and RF improvements to ensure compliance with EU legal obligations Key areas to focus on are: - Current issues with the PCB - Strategies for optimizing battery life In terms of power optimization, the primary focus should be on improving battery efficiency. The device will be used in both standby mode and continuous operation, so these scenarios need to be prioritized. Furthermore, the most critical ...

...components will be standard modules/breakouts, described at the end as OPTION-1 and OPTION-2. The project consists in: - Providing 3 of those modems, completely tested and fully functional. - Provide all schematics for the connections, the PCB containing the parts and the CAD for the enclosure. - Provide the Arduino code for testing the LEDs, GSM, DNS, Ethernet, RS232... etc. - Provide an Arduino demo example where the modem listens the TCP/IP traffic going across the switch and, when being requested (the computer will send a json request to the modem using its DNS), connects over GSM with a remote server using HTTP and requests a that will then be stored in the SD memory. Please check the attached block diagram: "" By being granted the project you agree that the ful...

We are looking for an experienced developer to design and build a Fingerprint Attendance System tailored for educational institutions. The system should integrate hardware and software to streamline attendance management for multiple subjects. Project Requirements: 1)Hardware Integration: A)Fingerprint Scanner: Use of a reliable fingerprint sensor (e.g., R307 or similar). B)Microcontroller: ESP32 or equivalent for processing and connectivity. Additional Components: C)Keypad for inputting subject codes. JHD162 or similar display for system feedback. D) Display for showing successful registetration and attendence marked Features: A)Ability to store fingerprint data for 200 students. B)Support for up to 20 subject codes. C)Take attendance for a specific subject by inputting its co...

Design a mixed-purpose IO PCB in KiCAD. Puropose of this board is for neat integration of hydronic heating system controls. Project is only for hardware design, but would consider outsourcing software at a later date. The hydronic system has the following hardware, all ultimately brolen out from the board 16no 1-Wire sensor connection termin...for microcontroller board, routing power, UARTs and i2c buses to it. 4)Provide 1 DS2482 i2c to 8-channel 1-wire chips c/w esd diodes etc each bus broken out to 2 sets of terminals 5)Provide 4 SPST NO Relay driven by i2c bus expander of your choice 6)Provide 2 no isolated RS485 line drivers 7)Provide 16 no 24V 1A PWM outputs- suggest PCA9685+mosfets? General, Footprint for Rasberry pi 4, and ESp32 boards LEDs on all Relay coils and PWMs See ...

I'm seeking an IoT and circuit design expert to help me develop a small (credit card size) IoT device based on ESP8266/ESP32. This device should control 4 lights and 1 fan with a regulator(off, on, 1speed 2speed), all of which can also be controlled by a manual switch or IR remote (optional). Key Features: - The device needs to be integrated with the power unit - It should have a reset function triggered by switching the power on and off 5-7 times. - Led indicator for power and configuration mode. - product directly connected to 220v AC supply. - Triac Ideal Skills: - Expertise in IoT and circuit design - Proficiency in using ESP8266/ESP32 - Experience with power electronic Need to deliver: - Gerber file - Schematic - Components list Please note, that the devi...

I am looking for an experienced embedded product developer to design and develop a PCB that incorporates an ESP32 microcontroller and an e-ink/e-paper display. The primary function of the product will be to dynamically display content on the e-paper display. The e-paper display has already been selected, and the datasheet will be provided. Hardware Development: Design and layout of a custom PCB integrating the ESP32 microcontroller and the provided e-ink/e-paper display. Selection and integration of other necessary components for power management, connectivity, and interfacing with the e-paper display. Documentation: Complete schematics and PCB layout files (compatible with industry-standard software like KiCAD, Altium, or Eagle). Bill of Materials (BOM) with sourcing recom...

Crear un dispositivo que pueda escribir automáticamente texto desde Google Docs usando un ESP32 que simula un teclado Bluetooth. Flujo de Funcionamiento: El usuario accede a la página web de autenticación Se autentica con su cuenta de Google Conecta con el ESP32 vía WiFi Selecciona un documento de Google Docs Ajusta la velocidad de escritura El ESP32 simula un teclado y escribe el contenido automáticamente Tengo poca experiencia con programacion. Ya tengo un poco de codigo escrito, pero me da problemas con la auntenticacion con google, pero estoy abierto a cambios en el proyecto.

I'm developing a prototype hanging scales and need a PCB designed for an ESP32-S3. The board needs to accommodate sensors and power management components, as well as being able to connect to various power sources and handle power distribution throughout the board. Key requirements: - PCB design for ESP32-S3 - Inclusion of a loadcell, NFC/RFID reader and power management components plus LCD screen - Dimensions: 130.3 x 86.9 mm The ideal candidate will have extensive experience in PCB design and a strong understanding of power management and sensor integration. Experience with designing PCBs for prototypes is crucial, as is the ability to work within the specified dimensions. The system ideally would run from 3.7v lithium battery

I need a professional who can help me develop an IoT project using the ESP32 for industrial automation. The primary goal is to control conveyors via the ESP32. Key Tasks: - Designing and implementing an IoT system for conveyor control using the ESP32. - Ensuring the system is robust and suitable for industrial use. - Providing clear documentation and support for the system. Ideal Skills: - Extensive experience with IoT projects, particularly using the ESP32. - Strong background in industrial automation. - Proficiency in designing systems for machinery control. - Experience in firmware development for ESP32-based systems. - Background in electrical engineering, particularly in designing and troubleshooting industrial circuits. - Proficiency in developin...

Need to create a new website this is my current website and this is example I want the same Quality like example all graphics needs to be like the example as well write " GREEN " in your bid if u can do

I'm in need of a specialist who can integrate PayPal for marketplaces into my website or app. Your expertise should not just be in PayPal Business, but specifically in the intricacies of PayPal for Marketplace. I will need to see an example in your proposal where you have done this, otherwise please don’t apply I will not reply to your proposal.

I am seeking an experienced professional with a strong background in IoT device security and firmware development to implement flash encryption on my ESP32 device. The main goal is to prevent unauthorized access to the firmware. Tasks: - Apply flash encryption on the existing firmware to enhance its security and prevent unauthorized access. - Devise a method for generating encryption keys directly on the device. Ideal Skills: - Extensive experience with ESP32 and its security features. - Proficient in firmware development and modification. - Knowledgeable in encryption techniques and key generation methods. Keys should be generated directly on the device to ensure maximal security.

I'm looking for a professional who can write a code sketch for an ESP32 that interfaces with a brushless motor and an RS485 controller. Key Responsibilities: - Implement torque control for the brushless motor using the ESP32. - Enable the ESP32 to receive commands via serial communication. - Program the ESP32 to send real-time feedback data back to the RS485 controller. - Develop a user interface for adjusting torque settings. - Incorporate a fault detection system to monitor motor health. - Write code to regulate the speed of the brushless motor. - Implement telemetry data logging for post-operation analysis. - Handle custom commands sent via serial communication. Ideal Candidate: - Proficiency with ESP32 programming is a must. - Prior experience ...

..., steering wheel buttons, dashboard controls). Key Requirements: OBD-II Expertise: Proficient in reading and interpreting OBD-II protocols (CAN bus, ISO 15765-4, etc.). Custom Input Detection: Ability to map and detect specific button inputs transmitted via the vehicle's CAN bus. Device Compatibility: Code should work on a standard microcontroller or a platform like Arduino, Raspberry Pi, or ESP32. Real-time Processing: Ensure low-latency data processing and accurate input detection. Documentation: Provide clear documentation on how the code works and how to integrate the device. Nice-to-Have: Experience with reverse-engineering CAN bus signals. Ability to filter and isolate relevant signals from background CAN bus chatter. Experience with mobile app integration for displ...

...following project and ask for a quote based on this description. Project Overview: Goal: Develop an FTMS Demo program in C++ for an ESP32. The ESP32 will act as a virtual FTMS treadmill, capable of simulating treadmill operations and interacting with the Kinomap fitness app via BLE. Hardware: ESP32: The sole hardware platform for this project. Software Requirements: FTMS Demo Program: Write a C++ program for the ESP32 to simulate a treadmill following the FTMS (Fitness Machine Service) protocol. Serial Control: The ESP32 will receive commands through the Serial Monitor to: Set speed. Adjust incline. Start/stop the treadmill simulation. BLE Functionality: The ESP32 will: Broadcast itself as a treadmill via BLE using the FTMS protocol. Send t...

We will do the work as discussed in the chat

...following project and ask for a quote based on this description. Project Overview: Goal: Develop an FTMS Demo program in C++ for an ESP32. The ESP32 will act as a virtual FTMS treadmill, capable of simulating treadmill operations and interacting with the Kinomap fitness app via BLE. Hardware: ESP32: The sole hardware platform for this project. Software Requirements: FTMS Demo Program: Write a C++ program for the ESP32 to simulate a treadmill following the FTMS (Fitness Machine Service) protocol. Serial Control: The ESP32 will receive commands through the Serial Monitor to: Set speed. Adjust incline. Start/stop the treadmill simulation. BLE Functionality: The ESP32 will: Broadcast itself as a treadmill via BLE using the FTMS protocol. Send t...

I'm seeking a professional to design a custom ESP32-S2 breakout board. The board should include connections for: - 2 x buttons with LEDs - 1 x LCD I2C screen - 1 x HC-SR04 Ultrasonic sensor The ideal candidate should have access to an HC-SR04 sensor and be comfortable with the project being split into two parts: board design and code verification. Key Requirements: - Board will need to be powered via USB-C - All button and peripheral connectors should be JST connectors - No specific size constraints for the board I have the code ready for the sensor and would appreciate someone who can go over it with me and ensure everything works. Skills and Experience: - PCB design - Familiarity with ESP32-S2 - Experience with code testing and debugging - Access to HC-SR04 Ultr...

I'm seeking a seasoned developer to create a comprehensive, full custom API in C/C++ using Websocket. This API will be integrated into an ESP32 and a React Native project derived from the repository: Key requirements: - The API must support: - Real-time communication - Data synchronization - Device control - IoT functionalities - Interaction with Reactjs and Reactnative - Utilization of Websocket and Rest API - The main focus of this project is on: - Seamless IoT integration - The web interface should contain: - Data visualization components Ideal candidates for this project should have: - Extensive experience with C/C++ and Websocket - Proficiency in IoT integration - Strong background in Reactjs and Reactnative - Previous work

I'm looking for an experienced embedded developer to create a high-performance C++ driver for an RM690B0 AMOLED display connected to an ESP32-S3 via SPI/QSPI. The driver should be optimized for writing video frames at a resolution of 450×600 pixels and achieving maximum throughput. - Develop a C++ driver for the RM690B0 display. - Implement display initialization, configuration, and efficient framebuffer transfers. - Optimize performance using DMA and double-buffering. - Test the driver on actual hardware and provide example code. - Strong experience with ESP32 and ESP-IDF. - Knowledge of SPI/QSPI communication and DMA. - Experience with display protocols (e.g., MIPI, RGB565). - Understanding of embedded driver development.

Project Description: I am looking for a designer to create a badge/stamp based on the provided example. The stamp will be used on a website to highlight the quality and popularity of a product. Requirements: The stamp must include the following German slogan: “Empfohlen von tausenden Käufern aus Deutschland und Österreich” The design must incorporate two flags: German flag Austrian flag The badge should be visually appealing, professional, and suitable for use on a website. Final files should be delivered in the following formats: PNG (with transparency), JPG, and a vector format (e.g., SVG or AI). Additional Information: I will provide an example design for inspiration. The badge should convey professionalism and trustworthiness to website visitors....

...necessary circuitry for backlight control. - Ensure compatibility with ESP32. Ideal Skills: - PCB design and prototyping - Experience with display modules and driver ICs - Reverse-engineering skills - Familiarity with ESP32 - Ability to design for power management and data processing Please note, the display module does not come with detailed specifications, so your ability to reverse-engineer will be crucial to this project's success. The PCB design should accommodate a landscape orientation for the display. Include additional feature for non touch." The PCB should operate at 3.3V. The PCB design should emphasize compactness, cost-efficiency, and user-friendly integration for consumer electronics. The PCB should connect to the ESP32 using an SPI interf...