...低频电刺激，参考产品包括Hoolest和Pulsetto。我们需要一位电子硬件工程师来设计电路板的原理图并进行打样测试，同时需要外观设计师设计适合佩戴的外观。 工作内容： 1. 电子硬件工程师： 职责： 设计低频电刺激的电路板原理图，并根据需求进行打样测试。 开发低频信号生成、调控模块（1-20Hz，脉冲宽度100-500微秒），并确保能够调节频率和脉冲宽度。 设计电流放大电路，确保信号的稳定性和准确性，使用恒流源保证电流输出与皮肤阻抗无关。 实现电源管理模块，设计低功耗电路（锂电池供电）。 设计阻抗检测与反馈模块，确保电流强度根据皮肤阻抗自动调整。 提供电路的安全保护功能（如过流、短路保护）。 打样电路板并进行初步测试，确保电路功能正常。 技术要求： 经验丰富的电子电路设计背景，熟悉低频电刺激器的电路设计（TENS或类似设备经验尤佳）。 熟练掌握微控制器（如STM32、ESP32）和DAC控制信号生成。 有PCB设计经验，能独立完成从原理图设计到打样测试的全流程。 熟悉电流放大、阻抗检测及反馈回路的设计与应用。 能够使用仿真软件（如PSpice、LTSpice）进行电路仿真验证。 2. 外观设计师： 职责： 设计一款适合佩戴在脖子上的设备外观，确保舒适性和稳定性。 根据人体工程学设计电极与颈部的贴合部位，确保设备电极能够精确贴合迷走神经位置。 提供初步3D模型或草图，展示设备外观和电极位置的布局。 设计设备外壳的防水防汗功能（IPX4或更高标准）。 考虑设备的便携性、用户友好性及时尚美观性，适合日常佩戴。 技术要求： 具备可穿戴设备设计经验，了解人体工程学及佩戴舒适性设计要求。 熟练使用3D建模软件（如SolidWorks、AutoCAD、Fusion 360等）。 能够提供从概念到最终产品的完整设计方案。 有过医疗设备、电子产品设...
任务： 1、集成Arduino，实现正常的初始化、连接Arduino硬件，并且支持向Arduino上传代码； 2、UI调整； 以上第1步已经完成集成Arduino部分，初始化、连接存在BUG，需修复，上传代码功能待实现。
我有进行中的、与之前的项目相关的工作parsing jsonarray using Arduino mega with esp8266-12 '
主要是想仿真一个激光测距的，暂时可以不考虑激光传感器，只需要模拟出计算时间差然后乘以光速，最后显示在LCD显示器上。自己已经做了一部分，proteus图已经画好，程序但是有点问题，求帮忙，有偿。
需要一位热衷 Arduino、电子设计的玩家创客帮忙介绍一个拇指般大小 32 位 Arduino 兼容开发板给中国的玩家. 这小小 38mmx18mm 的开发板功能含: 100MHz 32bit RISC / FPU + 1MByte Flash + 212KByte RAM + 2 UART + 2 SPI + 1 PWM + 17 GPIO + GPS 接收器. 售价 $12 (不含 GPS 有源天线). 性价比远超越在群众募资网站 Kickstart上能看到的任何 Arduino 相关开发板 (Digispark, Microduino, Tinyduino, Galago, Teensy 3.0...). 目标是 10 天内帮 NavSpark 活动增加 250 位中国区的支持赞助者, $500 做酬劳, 超过或不及都照比例计算. 例如: 增加 200 位中国区支持赞助者则以 US$400 做酬劳, 1000 位则以 US$2000 做酬劳. NavSpark 活动网址:
...PCB that integrates an Arduino Nano, an L293D motor driver, and connectivity for additional components like servo motors, an ultrasonic sensor, and infrared sensors. The PCB should be compact, efficient, and optimized for easy assembly. SAMPLE layout design attached ( resistor, capacitor and voltage controllers to be added as required ) Project Requirements: Microcontroller: Arduino Nano (ATmega328P) Motor Driver: L293D (Dual H-Bridge) for controlling two DC motors Servo Motor Control: Two male header pins for connecting two servo motors Powered by 5V from the Arduino or external power Sensor Connectivity: One female header (4 pins) for an ultrasonic sensor (HC-SR04) Two male header pins for IR sensors (typically 3-pin each: VCC, GND, OUT) Power Supply: 5V for ...
...for vehicle data acquisition - Experience with real-time data transmission in high-interference environments - Familiarity with UDP and TCP protocols for telemetry data transmission Preferred Qualifications: - Previous work experience in professional motorsport teams or racing technology companies - Knowledge of audio DSP techniques and their application in motorsports - Experience with ESP8266/ESP32 microcontrollers for Wi-Fi-enabled sensor systems - Familiarity with WAAPI (Wwise Authoring API) for external system communication The ideal candidate will bring a unique blend of audio expertise, telemetry knowledge, and wireless networking skills to push the boundaries of motorsport technology. If you're passionate about racing and have the technical prowess to revolutionize h...
...in circuit board design - Expertise in Pic chip processing - Familiarity with micro circuit boards - Proficiency in handling circuit boards for data signals from Pic We had a board that had the effect we are interested in, but we ran out. We are making new stock and we want to modify a few things about it. I have attached an image of our out of stock board. We have the code already, it's in Arduino C but need to be coded to the pic we select. We are looking Pic12F675 at but are open to your suggestions. We need 3 outputs to LEDs with special effects and 1 output that bypasses the circuit where solid LEDs can be attached. There will be 1 input from power and an input from the Rheostat to adjust speed. Here is what it does: Please provide examples of your
I need a skilled developer to modify an existing GitHub project related t...an ESPHome device for Home Assistant. The primary task is to change the connection method for an ESP32 from WiFi to Power over Ethernet (POE). The modifications should enable seamless integration with my specific POE module. The project will require: - Expertise in working with ESPHome and Home Assistant - Proficiency in modifying GitHub projects - Experience with POE connections and ESP32 devices - Ability to understand and adapt to specific hardware requirements The original project is located here: I am using the EST-POE-32 from here:
I'm facing performance issues with my Arduino server-client application. It currently only processes and sends information to the phone once, instead of looping continuously. Ideal skills and experience for the job: - Expertise in Arduino programming - Experience troubleshooting performance issues - Knowledge of server-client architecture - Able to optimize for speed and scalability - Strong problem-solving skills The main performance issue is the protocol for looping the client data in the app. The application currently uses the WebSocket protocol for server-client communication. The main optimization goal is efficiently reloading new data and maintaining the connection. Please note that there are other constraints to consider: none. Please account for changes on t...
I'm seeking an experienced embedded circuit programmer to develop a microcontroller-based system for interfacing with motion sensors. Key Requirements: - Develop a microcontroller-based system. - Integrate with motion sensors. - Experience in sensor interfacing is crucial. - Knowledge of embedded programming is essential. - Ability to process sensor...Requirements: - Develop a microcontroller-based system. - Integrate with motion sensors. - Experience in sensor interfacing is crucial. - Knowledge of embedded programming is essential. - Ability to process sensor data in real time. An understanding of how to effectively program, interface and communicate with motion sensors is vital for the success of this project. The system should be developed using Arduino as the microcontr...
Potrzebuję prostego połączenia Arduino Uno r4 Wifi z bazą danych, aby np. zapisywało sie w tabelach właczenie i wyłączenie diody. Zpis musi byc bezpośrednio do SQL
...the load. A 2.54mm pitch is to be maintained for all pin pitches where feasible. An ESP32-S3-DevKitC will be mounted via berg strips. The board requires the following connectors: Three 4-pin I2C connectors (VCC, GND, SCL, SDA) for interfacing with DFRobot SEN0537 (), DFRobot SEN0488 (), and Sensirion SEN63C () sensors. One 2-pin connector for an external push button connected to GND and the RST pin. Three 3-pin connectors for One-Wire communication, connected to the ESP32 with integrated pull-up resistors. One 2-pin connector for a reed switch, connected to a digital pin on the ESP32 with an integrated pull-up resistor. On-board provision for a readily mountable RS485-to-TTL
...dual GC9A01 displays for an advanced animated eyes project using the ESP32-S3 microcontroller. The project involves creating smooth and seamless frame-by-frame animations for a pair of 240x240 pixel displays. The animations will be based on high-quality JPG frames, leveraging libraries such as LVGL, CircuitPython, and TJpg_Decoder. The key objectives include: Synchronization: Both displays need to be perfectly synced for consistent animations across the eyes. Web-based Control: Develop a WiFi-enabled control panel that allows users to connect via a hotspot and select animation modes through a web interface. Animation Modes: Support multiple animation modes, including static and dynamic frames, while optimizing for the ESP32-S3’s storage and performance capabilities...
I'm looking for an expert in ESP32 development to create a smart toy. The project involves integrating a speaker and a microphone with the ESP32. Key Requirements: - Extensive experience with ESP32 - Strong understanding of Edge AI and open AI - Knowledge about speech to text and text to speech - Skills in integrating audio components - Knowledge of IoT principles - Good communication for project updates and discussions Please note, the specific functionalities of the smart toy are yet to be determined, so flexibility and creativity in design and functionality will be appreciated.
I'm looking for an expert in Arduino projects to help me create a fun demonstration locking system. The project involves: - 3x Adafruit rotary encoders over i2c - 1x 20x4 LCD over i2c - 2x LED outputs The rotary encoders will serve as the main user input for the locking system. The LCD will provide feedback for user inputs, and the LED outputs will display the system status. Ideal candidates for this project should have extensive experience with Arduino, rotary encoders, LCD displays and LED outputs. An understanding of I2C communication protocol is crucial. Please include in your proposal examples of similar projects you have completed. The LED outputs will show the status of the locking system. Power supply for the system will be battery-operated.
I'm seeking an expert in Arduino programming and web data extraction to create a phone system that can pull text data from a 3rd party website in real-time. The extracted data does not need to be stored on the home server; the focus is purely on the extraction process itself. Ideal Skills and Experience: - Proficiency in Arduino programming, particularly in using it as a Human Interface Device (HID) - Experience in real-time web data extraction - Knowledge of setting up and working with a home server - Ability to work with and extract text data from a 3rd party website - Telephony/VoIP Expertise: Experience with services like Twilio, Asterisk, or similar. - Programming: Knowledge of Python, Node.js, or similar languages to integrate the phone system with the server. - ...
I'm experiencing an issue with my Android Studio project where the database connections won't initialize. I'm working on an app that communicates with an ESP32 and stores sensor data in the Firebase Realtime Database. Key Requirements: - Expertise in Android and iOS app development - Strong knowledge of Java and Android Studio - Experience with Firebase Realtime Database - Understanding of IoT and ESP32 - Problem-solving skills to diagnose and fix the database connection issue - Expertise in iOS app development using Swift. - Knowledge of setting up and managing Firebase security rules. The successful freelancer will help to troubleshoot and resolve the initialization issue, ensuring the app can properly connect to the Firebase database and store the sensor...
Need to develop a device to monitor data from a weapper machine.
...a compact, double-layer PCB designed for a digital circuit. The project involves creating a Gerber file that is ready for printing, accommodating the given circuit diagram. The PCB should be small and compact, suitable for accommodating a digital circuit. The 2 ESP32, SIM800L, MAX 485 and ADS1115 will be mounted on a 2.54 mm pin female single-row header strip. All connectors will use 5 mm PCB terminals with standard 0.1” (2.54 mm) spacing through holes. Components Ref: ESP32 38Pin Development Board: Hi Link HLK-PM01 5V/10W: 2.54mm Pin Female Single Row Header Strip:
Replace the module Particle B524 with your own device that works with operator 1NCE, has OTA (over-the-air firmware update) functionality, transmits data via MQTT protocol to the cloud, and can flexibly integrate with other sensors. Project stages: Selection of hardware platform: It is recommended to use one of the options: ESP32 + Quectel BG96 (flexible solution with separate components). Nordic nRF9160 (modem and MCU in one chip, simpler integration). Development of schematic and PCB design: The board should include: Modem (Quectel or integrated in Nordic nRF9160). Microcontroller or integrated chip. eSIM or SIM card slot supporting operator 1NCE. Antennas for LTE-M/NB-IoT communication. Sensor connections via UART/I2C/SPI (depending on the task). Power interface considering pow...
I'm seeking an expert to convert some AVR ATMega 2560 code to be compatible with the ESP32. This code is primarily designed for controlling a serial device called Valentine 1 radar detector. Key Requirements: - Modify existing code from the provided GitHub repository [] to work with ESP32. - Enhance compatibility with Arduino IDE 2.x if possible. - Assist with the handling of serial packets. - Implementation of UART and rs232 communication protocols. The ideal freelancer for this project would have: - Extensive experience with both AVR ATMega 2560 and ESP32 microcontrollers. - Proficiency in Arduino IDE, particularly the 2.x version. - Strong background in working with serial devices. - Deep understanding of the UART and rs232 communication protoc...
I'm experiencing logical errors in my Arduino code that's controlling a stepper motor. The motor is not behaving as expected, suggesting possible peripheral issues. Issues i'm experiencing is the door switch is not triggering "opening" with the NO contact which should trigger a "strum" action. Also the relays A,B and C are set to have one strum for relay A, two for B and three for C. The door is to initially trigger s single strum. The code needs to allow us to hold down the remote button that triggers A, B or C relay for 5 or more seconds to allow the learning of that relay to the door trigger, So if B relay was held down for 5 or more seconds it should force the door trigger to now strum two times as it should have learned the code for relay B....
I'm looking for someone to code a simple Arduino for me. The project involves: - Monitoring motor temperature and humidity - Motor control - Using a proximity sensor - Develop a simple user interface for displaying sensor data. - Enable remote monitoring via Wi-Fi or Bluetooth. The ideal freelancer for this project should be proficient in Arduino programming and have experience with motor control and sensor integration. The project will involve programming for a stepper motor. The user interface will use an LCD display for showing sensor data. Please include directional control for the motor operation. The project will enable remote monitoring via Wi-Fi. The development will be done using the Arduino IDE. Use simple on/off control for motor operation. The remot...
I require an experienced embedded C/C++ programmer to assist with my project which is using the CH32F103C8T6/CH32X033F8P6 MCU. The project involves working with either Zephy...I am facing are compilation errors, runtime error. The work won't take much time as the code has already been generated by LLM only error correction is needed. Key Requirements: - Extensive experience in embedded C/C++ - Proficiency in either Zephyr or RT-Thread RTOS - Ability to troubleshoot and fix AI-generated code - Experience with the CH32F103C8T6 MCU Please note that mere knowledge of Arduino is not sufficient for this task. Your role will primarily involve code testing and completion, so a keen eye for detail and strong debugging skills are essential. The freelancer needs to complete the project...
*** OVERVIEW *** - Ten US dollars per hour. - One hour per day (or per night). - You will help me design, code, and develop an IoT product using MicroPython running on an ESP32 microchip. - You do *not* need any experience with microcontrollers, electronics, electrical engineering, mechatronics, Arduino, PCB, circuit design, or Python. - If Freelancer.com prevents you from bidding on this project or if you want to avoid “spending” one of your Freelancer bids you can apply "passively” for this project by pasting "MicroPython_ESP32_11_September_2019" into your Freelancer profile. Please see the section below in this posting called *** APPLYING "PASSIVELY" *** for more information. *** LOCATION *** You must live the Western Balk...
I am looking for an experienced firmware developer who can work with the ESP32 platform. This project involves creating firmware for an IoT device. It is small project with mostly completed developments. Key Responsibilities: - Implementing sensor data reading and processing - Enabling wireless communication via BLE - Overseeing battery management and monitoring Ideal Skills and Experience: - Extensive experience with ESP32 - Proficiency in ADC (Analog to Digital Converter) - Skilled in Bluetooth Low Energy (BLE) communication - Knowledgeable in Battery Management Systems (BMS) If you are a talented firmware developer with the necessary skills and experience, I would love to hear from you. please do not bid if you not from NCR or Delhi
...design a small mixed-signal PCB using FLUX .ai. The primary function of this circuit will be for STM32 or ESP32. Key Requirements: - Proficient in designing mixed-signal circuits - Experienced with FLUX .ai - Capable of designing small PCBs Ideal Skills: - PCB design - Schematic creation - Signal processing expertise - FLUX .ai proficiency The PCB dimensions are flexible. The PCB should be designed to be USB-powered. Please prioritize the placement of essential components based on power and signal requirements. The PCB should support both analog and digital I/O connections. The PCB should be designed to fit a custom enclosure. The PCB should support high-speed operation for the STM32 or ESP32. The dimensions for the custom enclosure are flexible. The PCB should include...
I'm looking for a skilled coder who can write a working code for Arduino. The project involves the ESP8266 and Waveshare 2.13inch E-Ink Screen Display HAT (B) for Raspberry Pi. Key Requirements: - The primary function of this project is to show images on the E-Ink screen. The images will be in 212x104 resolution, but the code should also be adaptable for 2.97 inch and 4.7 inch screens. - The code must support all three resolutions: 2.13, 2.97, and 4.7 inches. - You will need to provide schematics of wiring for the ESP8266 with the E-Ink screen. - Ideal candidates should have experience with Arduino, ESP8266, and E-Ink displays. Skills in coding for multiple screen resolutions and creating wiring schematics are essential.
I need help with my IoT project. It involves the ESP8266/ESP32 platform and includes data logging and sensor integration functionalities. Please refer to this video link for details: I have all the necessary hardware, but I'm in need of the appropriate codes and schematics to get everything up and running. Ideal skills and experience for the job include: - Proficient in coding for the ESP8266/ESP32 platform - Experienced in IoT projects - Able to provide clear and understandable schematics - Knowledgeable in sensor integration and data logging functionalities.
I am seeking an experienced professional to help design and implement an ESP32-based lighting control system. The specifics of the project include: - Control: The type of lighting control is yet to be determined. It could be automatic, manual via remote, or manual via an app. - Environment: The lighting system could be used in either an indoor or outdoor setting, possibly both. Key skills and experience required: - Proficiency with ESP32 and lighting systems - Knowledge of various lighting control mechanisms - Experience with designing for both indoor and outdoor environments Please note that the exact features of the system, such as dimming capabilities, color changing, or motion sensors, are still open for discussion. Ideal candidates would be able to provide guidance a...
I'm looking for a video to be recorded showing two ESP32-CAM devices communicating via the Flibbert platform. The video will be used for tutorial purposes, so it's crucial to highlight specific interactions and to present the final product in a clear, engaging manner. The video should include: - Screen recording of using the Flibbert platform - Footage of the devices blinking - Emphasis on data exchange between the devices AssemblyScript code examples are on flibbert when you register a device. The final video should be delivered in MP4 format. Ideal candidates for this project should have experience with ESP32-CAM devices, video recording and editing, and clear understanding of tutorial content creation. The preferred video length is 5-10 minutes.
I need an Arduino project that involves LED lights shaped as a moon and stars. The lights should turn on at specific times that is 7th day, of every month stay solid once they’re on and not perform any other functions. Key Requirements: - The lights should turn on at specific times every day. - The lights should stay solid once they're on. - The lights should not perform any additional functions (e.g. changing brightness, blinking, etc.) Ideal Skills: - Proficiency in Arduino programming. - Experience with LED light projects. - Ability to set up a fixed schedule for the lights. The goal is to have a starry night sky in wedding frame , and I would like the project to be simple and to the point.
Hi, Im looking for a STM32 & ESP32 programmer located in/near HCMC as you might need to come over to our workshop sometimes for testing. We have a few custom made PCBs that needs to be programmed and tested. Experience working with CANopen, SPI, I2C, IR Remote Protocol, stepper motors , LoRa etc is a plus
I require an experienced embedded C/C++ programmer to assist with my project which is using the CH32F103C8T6/CH32X033F8P6 MCU. The project involves working with either Zephy...I am facing are compilation errors, runtime error. The work won't take much time as the code has already been generated by LLM only error correction is needed. Key Requirements: - Extensive experience in embedded C/C++ - Proficiency in either Zephyr or RT-Thread RTOS - Ability to troubleshoot and fix AI-generated code - Experience with the CH32F103C8T6 MCU Please note that mere knowledge of Arduino is not sufficient for this task. Your role will primarily involve code testing and completion, so a keen eye for detail and strong debugging skills are essential. The freelancer needs to complete the project...
I need an Android application designed for USB OTG connectivity. The purpose of this app is to serve as a comprehensive dealer/installer toolkit for a custom boat lift controller. Project Overview I have a custom Boat Lift Controller (Arduino/AVR-based) that communicates over USB-to-serial. I need an Android app (for phone/tablet with OTG) to serve as a Dealer/Installer Toolkit, providing: Full configuration (all settings, e.g., limit switches, motors, etc.) Setup Wizard (mandatory) with GUI screens guiding through each step of device setup. Control (move the lift up/down, set presets, toggle AUX lines, etc.) Monitoring (real-time serial terminal for manual commands, logs, etc.). Firmware Updates over USB for both the main controller and a sidekick microcontroller board. The fina...
...Control of dynamometer settings - Real-time calculation of horsepower (HP) using a supplied equation The ideal candidate for this project should have extensive experience in app development, particularly for Arduino-based systems. A strong understanding of engine dyno operations and data interpretation will be advantageous. Given the nature of this project, proficiency in real-time data processing and cross-platform app development is crucial. Arduino Dyno APP Project. The objective of this project is to create a App, capable of reading and displaying the output of all the Arduino Dyno hardware sensors. Also display HP based on HP = Torque X RPM/5252 (Torque=weight). The APP layout should be clean looking and well laid out. 1. Create realtime display 2. A star...
I'm looking for a skilled IoT and Bluetooth professional who can help design a remote control using nRF devices from nordic or equivalent for low power consumption to control various types audio equipment like amplifiers, preamplifiers, control equipment, equalizers. The freelancer will also design the Control unit on the Audio equipment using ESP32 (with the native IDF, NOT using Arduino) to receive the do the initial connection with the remote control and the mobile app, then maintain the connection, receive the commands from the paired devices, and send them locally to a queue. The system should be able to control various aspects of the device, including: - Volume control - Track selection - Power on/off - Menu navigation - Device selection - Input selection - ...
I'm seeking a skilled mobile app developer to create a cross-platform (iOS and Android) app that connects to a prototype with an ESP32 microcontroller. This prototype sends real-time UV level data, ranging from 0 (lowest) to 11 (highest). The app will need to receive this data live and assess the user's risk based on several additional factors. Key Features: - User Interaction: The app should ask users a series of questions regarding factors that increase UV exposure risks. - Risk Assessment: Based on user responses, the app will generate a risk score. Higher scores will indicate a greater need for alerts. - Personalized Advice: The app should provide users with personalized UV protection tips and general skincare advice. Factors to Consider: The risk assessment should ...
I'm seeking assistance with designing ...project involves creating a modulator for the transmitter capable of encoding data using the Amplitude Shift Keying (ASK) modulation scheme. Key project components include: - The data will be sourced from an Arduino in binary form and needs to be modulated with a sine wave for transmission. - The drone will communicate its speed to a controller. - An analysis of the characteristics of both linear and non-linear amplifiers through a modulator at the transmitter end. Ideal skills for this project: - Proficient in circuit design and PCB creation. - Experience in working with Arduino and drone technology. - Knowledgeable in both linear and non-linear amplifier characteristics. Please provide a quote and specify any additional requ...
I'm looking for an expert to wire 5 buttons with 5 LED 7-segment counters. The buttons will be manual push buttons, and their function will be to increment the count on the LED counters. I already have the components including Arduino Uno R3 Boards that are pre-programmed with a time delay so the buttons cannot be spammed. I need to understand how the circuit works and how it is wired properly. Wires have been disconnected and it is not working at this time. Ideal Skills: - Proficient in working with 7-segment displays - Experience with wiring manual push buttons - Knowledge of basic circuit design and implementation
I'm looking for a passionate and skilled Robotics Tutor to teach my Basic Robotics Course. The ideal candidate will have experience in robotics, basic electronics, and programming, specifically with Arduino. The tutor will deliver online classes, guiding students through the course content with hands-on projects and discussions. Key Responsibilities: - Deliver engaging online classes - Guide students through course content - Facilitate hands-on projects and discussions Ideal Skills: - Experience in robotics and basic electronics - Proficient in programming with Arduino - Experience teaching beginners - Strong communication skills for online tutoring
...125 kHz) USB interface for communication with a PC (no external USB–serial chip required) This device will transmit and receive data at 125 kHz for transponders (e.g., automotive immobilizer tags) using the PCF7991 and a coil antenna. The ATmega32U4 will handle the low-level bit-banging, timing, and decoding, while appearing as a USB CDC device (virtual COM port) on the PC side. I have existing Arduino-based code (.ino) that demonstrates how to interface with the PCF7991 (originally for an ATmega328). We plan to port or adapt that code for the ATmega32U4 once the PCB is complete. Objectives Develop a Complete Schematic that includes: ATmega32U4 microcontroller with supporting components (crystal/oscillator if needed, decoupling capacitors, etc.). PCF7991 base station IC,...
...dual GC9A01 displays for an advanced animated eyes project using the ESP32-S3 microcontroller. The project involves creating smooth and seamless frame-by-frame animations for a pair of 240x240 pixel displays. The animations will be based on high-quality JPG frames, leveraging libraries such as LVGL, CircuitPython, and TJpg_Decoder. The key objectives include: Synchronization: Both displays need to be perfectly synced for consistent animations across the eyes. Web-based Control: Develop a WiFi-enabled control panel that allows users to connect via a hotspot and select animation modes through a web interface. Animation Modes: Support multiple animation modes, including static and dynamic frames, while optimizing for the ESP32-S3’s storage and performance capabilities...
I'm seeking an ESP32 developer with experience in working with GPS Module LC89L/G from Quactel and Sensor LSM60DX. The project revolves around tracking and monitoring, specifically focusing on location data and movement data. Your expertise will be crucial in implementing the following: - Utilizing the ESP32 for data collection and transmission via Bluetooth. - Implementing OTA updates for system reliability and maintenance. - Using Restful APIs for data communication. Ideal candidates will have a strong background in IoT and embedded systems, with previous experience using the specified modules. Proficiency in Bluetooth communication is a must, as well as experience with OTA updates and Restful APIs.
I need an experienced Arduino engineer to help me with a project. The goal is to control a filter press through a progressive increase of air pressure. This will be used in an industrial setting. Key Requirements: - Design an automated control system using Arduino and remotely control - Implement this to regulate air pressure in the filter press Ideal Skills: - Strong background in Arduino programming - Previous experience with industrial automation systems - Understanding of filter press operations
...an encrypted message or hash that only your server can validate. ✅ Solution: Use NTAG 424 DNA for AES-128 encryption & dynamic authentication. ❌ Risk: More expensive than regular NFC tags but extremely secure. 3. Implement Server-Side Authentication (Tokenized URLs) Instead of embedding a static URL on the NFC tag, generate a unique, temporary token for each scan. The URL could look like this: arduino Copy Edit The token is validated server-side and can: Expire after one use (prevents replay attacks). Be tied to the NFC chip UID (ensures it’s the original tag). Include a cryptographic signature (HMAC or JWT) to prevent tampering. ✅ Solution: Use JWT (JSON Web Token) or HMAC signatures to validate scans. ❌ Risk: Requires a server backend to generate
I'm looking for an experienced developer to port existing Arduino and Raspberry Pi project (found at ) to an STM32 microcontroller. The project involves sensor integrations, data logging, and control algorithms. Key Requirements: - Porting critical features from the existing project - Implementing WiFi capabilities using the STM32's built-in WiFi module - Open to using alternative libraries or frameworks instead of the ones used with Arduino and RPi Ideal Skills and Experience: - Proficient in STM32 programming - Experience with Arduino and Raspberry Pi - Knowledge of sensor integrations and data logging - Familiarity with control algorithms - WiFi module implementation experience - Ability to suggest and use alternative libraries or frameworks.
