Espruino esp32 jobs
I'm looking to set up an ESP32 that communicates with a backend server over MQTT using .NET Core 9 and SignalR. The primary objective is to enable remote control of devices, with additional functionality for real-time monitoring of sensor data, such as temperature and humidity. Key Requirements: - Establish a Wi-Fi connection for the ESP32. - Implement the MQTT protocol for communication. - Set up SignalR for real-time updates. - Use .NET Core 9 for the backend. Ideal skills would include: - Proficiency in working with ESP32 and MQTT. - Experience with .NET Core and SignalR. - Knowledge of Wi-Fi connectivity and sensor data handling. - Prior work in remote device control projects. Please include relevant experience in your bid.
I'm looking for a seasoned professional with extensive experience in working with the ESP32 and cellular network connections. The goal is to set up a web server on the LILYGO T-SIM7000G ESP32 that can be accessed via a public static IP address. This project involves configuring the server to serve static files (HTML, CSS, JS) and handling real-time data updates. Key Responsibilities: - Configure the ESP32 to serve static web content and handle real-time updates. - Enable the ESP32 to process query/response data to a serial device. Skills and Experience Required: - Deep understanding of ESP32 and LILYGO T-SIM7000G. - Proficiency in Arduino IDE. - Previous experience in setting up web servers on ESP32. - Familiarity with AT commands and the ma...
I'm looking for a skilled ESP32 C++ developer who can assist in configuring a monitoring device to track health metrics, specifically glucose levels. The device needs to be able to connect to some API/Webservices and display a value based on the return data Key Responsibilities: All configured via touchscreen Users will be able to select Wifi network via esp32 touchscreen - this gets them started They will then select which brand of glucose tracker they have The users will then insert there login credentials as required by the API And once logged in the monitor will display there current glucose levels as retrieved by the API , this will be a contious display on the screen showing nothing but a number - along side an indicator to show if the value is rising or dec...
I'm looking for a designer to create a 3D printable file for a custom ESP32 enclosure. The design should be based off an existing model () but will need some modifications. Specific requirements: - The enclosure should have a domed circular cover plate about 250mm in diameter.( I have some sample ideas that i can share) - It should include ventilation holes and mounting brackets. - The design should incorporate a custom logo on the front that will be a cutout. (Logo to be provided to the freelancer upon request) Ideal freelancer skills: - Proficiency in CAD software. - Experience with 3D printing design. - Ability to create custom logos in CAD. - Knowledge of materials and finishes suitable for 3D printing. (I have attached a sample of a similar
I need a PCB designed for the ESP32 S3 DevkitC-1. This is a prototyping project, so the design should be flexible and adaptable for different uses. i have provided the image ,design will have to be like that but with 44pins and screw terminals(22-left & 22p right) socket to plug esp32 s3 devkit c1,male jumper wires connector,and above mentioned screw terminal Key Requirements: - Design a custom-sized PCB, tailored to specific dimensions - Prototyping-focused design, allowing for adaptability - Knowledge in working with ESP32 S3 is a plus Ideal Skills: - PCB design - Experience with ESP32 S3 - Understanding of prototyping needs - Ability to work with custom size requirements
Project Description I need a professional hardware/electronics designer to create a complete ESP32-S3-based pcb. The design will feature: - ESP32-S3 module (placed on edge side of the PCB) with USB-C for programming. - 18 high-resolution analog inputs for NTC 10K/20K/100K sensors with shared COM pins. - 8 solid-state relay (SSR) outputs for controlling contactor signals, with shared COM pins. - One high-reliability 0-10V analog output. - Ethernet port with the W5500 IC and RJ45 connector at the bottom edge. - Integration of an external RTC module (DS3231) with battery backup for accurate timekeeping. - Power regulation, protection circuits, and optimized PCB design. - Milled slits for isolating I2C sensors.
I need a seasoned PCB designer to create a personal navigation device using an ESP32-S3. The low-power design will encompass various components such as a GPS, sensors buttons, and connectors. Key Features: - Incorporate ESP32 WROOM S3 and u-blox MAX-M10S GPS with chip antenna - Integrate a Speaker and 5 Pushbuttons - Include a Micro SD Card Slot and USB-C Connector - Have a Barometric Sensor, Accelerometer/Gyro, and Ambient Light Sensor - Implement a LoRA Radio and 4 connectors for battery & peripherals - Support LiPo charging and power management Board Dimensions: Approximately 44mm x 72mm Deliverables: - Altium Designer Schematic - Detailed Parts List (BOM) with supplier information - Altium Designer PCB Layout - Complete Fabrication data (Geber files etc) ...
I need an expert who can interface a USR-TCP232-T2 with an ESP32 in order to send sensor data to a website using GET and POST requests. just get and post requst demo will do the job any available api
I'm...Squareline Studio editor. The primary aim is to empower my engineers (who aren't software engineers) to design a GUI within Squareline, generate the code, and upload it to an ESP32 using the Arduino environment. Key project components: - The GUI should incorporate buttons and sliders as the main graphical elements. - The ESP32 should be capable of controlling devices, monitoring data, and triggering events through the touchscreen. - Utilization of the LittlevGL (LVGL) library in conjunction with Squareline Studio is necessary. Ideal candidates for this project should have: - Extensive experience with touchscreen integration and ESP32 microcontrollers. - Proficiency in Squareline Studio and the LVGL library. - Ability to simplify complex programming co...
I need an expert in ESPHome and ESP32 boards to assist with creating YAML code for controlling a servo via ESPNow. Key Requirements: - The main purpose is to automatically control a servo from 0% to 100% then return to 0% after 1s using an ESP32. This will happen when a photoelectric retroreflector switch is triggered on a different ESP32 board. ( When switch is triggered on one ESP32 board 1. The servo on ESP32 board 2 should instantly changes to 100% position and returns to 0% after 1s) - The communication between ESP32 devices should use the ESPNow protocol. - The yaml code should be suitable for ESPHome. - The ideal freelancer will have extensive experience with ESPHome, ESP32 boards, and ESPNow. I’m an electrical engineer w...
Per our PMs, correct the existing code to enable the NEO 8M gps module to deliver data to serial monitor
My project involves troubleshooting an ESP32 Arduino code that integrates with a NEO-8M GPS module. Currently, the GPS data is not appearing on the serial monitor and this issue needs to be rectified. Key Requirements: - Maintain the original code structure and logic while debugging. - Modify the code to output full GPS data (including time and date) to the serial monitor. - Ensure that the GPS coordinates are accurately displayed. Ideal Skills and Experience: - Proficient in Arduino programming, particularly with ESP32. - Experienced with NEO-8M GPS module integration. - Strong debugging skills to identify and fix code issues. - Able to maintain the integrity of the original code structure and logic.
Correct code to enable GPS module to work with ESP32 and LVGL
Per our conversation, ESP32 GPS code correction
Per our conversation, ESP32 GPS code correction
Hi, I have a ESP 32-S3-mini-1-8 user interface programming project in MicroPython that should work with with this screen : I want it to be done with the parallel port. The user interface should send pre-written commands to the DAC 8760 :
I am in need of a microcontroller expert who can convert my current setup (ESP32, SIM800L, Neo6M GPS) into a more compact design using the STM32G030F6P6TR chip and embed it with a SIM868. The goal is to create a compact, efficient, and versatile tracking device. Responsibilities: - Convert the existing microcontroller setup to an STM32G030F6P6TR chip. - Embed the design with the SIM868 for enhanced functionality. - Design a PCB that accommodates this compact design without compromising performance. - Ensure the device is suitable for both indoor and outdoor use. The device needs to support real-time tracking functionality. Therefore, experience in designing tracking devices is preferred. Please note, I require only qualified professionals to bid on this project. Proposals genera...
I'm looking for a skilled developer to design a control system for 22 ESP32-CAMs. The system should display all camera streams on a single web-based interface, compatible with Windows OS. Below each stream, there should be a 3-position toggle switch. These switches need to control a 32-channel relay board over WiFi, using the Modbus protocol. Key Requirements: - Static ESP32-CAM streaming code - Modbus and relay modules code - Full setup code for the system - Implement user authentication via username and password Ideal Skills: - Extensive experience with ESP32-CAMs - Proficiency in Modbus protocol - Strong background in relay board control - Expertise in designing secure web-based interfaces - Excellent understanding of coding for static streams.
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
I need an advanced ESP32 developer to help me connect a 3.5mm headphone with mic to an ESP32 and turn it into a hands-free device for calls. I have a full working example at the provided Github link. However, this example expects an external DAC or codec. I want to use the internal DAC and ADC and connect to a TRRS adapter. Your guidance and code will be crucial for this project. Working code But this assumes an external dac and adc according to my knowledge I want to use internal one and connect it to the 3.5mm adapter. I need a circuit diagram and code. Key Requirements: - The device must support answering and ending calls. - Expertise in ESP32 development is a must. - Previous experience with
I'm in need of an experienced developer to create a few small, custom ESP32 projects for me. The project involves building IoT devices with the following essential functionalities: - WiFi connectivity: This is crucial for the device to connect and communicate within a network. - Sensor integration: The device should be able to integrate with various sensors for data collection and processing. - Storage: The device needs to have a storage solution for data logging and retrieval. - Speaker: This will allow the device to produce sound. - GPS: The device should be able to track its location. Ideal candidates for this project would be those with a strong background in IoT device development, particularly with the ESP32. Experience with sensor integration, data storage solu...
I'm experiencing issues with my ESP32 code for LoRaWAN OTAA. Specifically, my device isn't able to join The Things Network (TTN). I've verified that my device credentials and configuration are correct, so I need an expert to help troubleshoot and resolve the issue. Ideal Skills and Experience: - Proficiency in ESP32 programming - Experience with LoRaWAN and TTN - Strong problem-solving skills - Ability to troubleshoot network connection issues - Knowledge of SX1276 module Please reach out if you can assist with this issue.
...Materials (BoM) outlining all components required for the design. o Gerber files for PCB manufacturing. o Firmware code with detailed comments and instructions. o Documentation for circuit schematic, firmware installation, and setup. Skills Required: • Experience in PCB design (schematic creation, component placement, routing). • Strong background in embedded firmware development for microcontrollers ESP32. • Expertise in sensor integration (moisture, temperature, light). • Proficiency in designing and controlling displays (LCD, OLED, etc.). • Knowledge of low power design techniques and energy-efficient systems. • Familiarity with developing interactive user interfaces. Please submit your portfolio with relevant examples of PCB designs and firmwa...
I'm looking for a arduino firmware engineer to create a firmware for an ArtNet node with DMX/RDM support based on the RP2040 + RS485 transceiver. This project is similar to the typical artnetnodes available on GitHub for ESP32 or ESP8266. Key Responsibilities: - Develop firmware to support ArtNet4(Poll/Reply, ArtDMX, ArtRDM) as a gateway to DMX and RDM, with RDM handling efficiency as a priority for 1 universe/RS485 connection - Ensure the DMX settings are fixed for maximum performance for RDM, with only 1-2 DMX frames per second. - Implement USB network communication instead of WiFi (with DHCP server on RP2040 and fix host adress 2.2.2.1 and 2.2.100+ for the PC client) - No web server for configuration required. Ideal Skills and Experience: - Extensive experience with ardui...
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...
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...
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 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'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 ...
