Arduino Jobs

I’m building with Vicharak Shrite Lite a microcontroller-based platform and need the core firmware brought to life. The job is pure embedded programming: writing, testing, and refining code that will run reliably on the vicharak shrite lite Raspberry hardware (Pi or RP2040—). Here’s what I need from you: • Clean, well-documented source code that compiles without warnings. • Pin-accurate control over the onboard peripherals I’ll specify once we start (GPIO, UART, SPI and a couple of ADC channels). • A simple test routine I can flash to verify all functions on the bench. • Clear build instructions so I can reproduce the binary from scratch. If you prefer C/C++ with the Raspberry Pi Pico SDK, bare-metal ARM assembly, or even MicroPython fo...

I already have a Raspberry Pi driving a vending machine and now need a very simple user-interface addition: a single green indicator light that turns on whenever the machine is ready to vend. Here’s what I’m looking for: • Hardware guidance (GPIO pin selection, resistor value, wiring diagram) for the green LED. • Clean, well-commented code added to my existing Python script so the LED comes on steadily—no blinking, no timeout—whenever my “vending enabled” flag is true. • Brief instructions on how to deploy the updated script and test the light in place. The rest of the system is already operational, so please keep changes minimal, use standard (or gpiozero) calls, and make sure your solution is easy for me to drop into the curre...

1.- It will be a robotics application for pick and place then we will need take some pics to record the position and dimensions of the part with this we can calculate the center mass of this part , so when the camara detects the parts it will send a digital input to register the track position of the part then the dimensions in pixels to convert to mm in X,Y and orientation. 2.- my cam speed is max 30FPs 3.- It will be a fixed position for all the applications and needs to be calibrated on each setup, fixed position on a conveyor belt or rotary table. the scaling factor must be calculated every time so in the script I need to know how to modify this value It will be necessary take pics and process with Roboflow AI and get the file in forma .tflite 4 &5: It will be a Motion Controller w...

A 4–6 layer custom carrier board for a Linux ARM SoM, with on-board audio output, MIDI output, an ESP32-driven LCD UI, and consumer-grade power + service interfaces. A working v1 exists; v2 is a clean redesign targeting production volumes. ## Required interfaces 1. **Linux ARM SoM**, socketed or soldered. We currently use Raspberry Pi CM4; open to alternatives (CM5, Radxa CM3 / CM5, Pine64, custom) — your call based on cost, availability, longevity. 2. **MIDI OUT** — 5-pin DIN and/or TRS-A 3.5 mm, 31250 baud, galvanically isolated. 3. **Stereo line-level audio output** (RCA + 3.5 mm). Target ≥ 110 dB SNR; ES9038-class optional for a higher-tier variant. 4. **LCD display** ~3–5", 600×170 to 800×480 range, driven by a dedicated MCU...

I’m building a compact, battery-powered torque meter that streams live readings to a smartphone over Bluetooth Low Energy. The job covers three tightly-linked pieces: electronic hardware, embedded firmware, and a cross-platform mobile application that works on both iOS and Android. Hardware & firmware The unit will sit between the torque sensor and the user’s phone. I need a custom PCB that conditions the sensor signal (likely through a strain-gauge amplifier), handles A/D conversion, and hosts a low-power MCU with BLE 5.x. Firmware should sample torque, apply calibration constants, then broadcast the data at a steady, low-latency rate. Power efficiency and a clean-pairing workflow are essential. Mobile application On the software side, the app should discover the met...

Cüzdan yönetimine odaklanan yalın ama güvenilir bir kripto uygulamasına ihtiyacım var. Uygulamada tek önceliğim, anında transfer özelliğinin sorunsuz ve hızlı çalışması. Temel kapsam • Kullanıcılar kendi kripto cüzdanlarını oluşturup yönetebilmeli. • Anında transfer: Aynı ağ içindeki adreslere saniyeler içinde gönderim ve alım. • Basit, anlaşılır bir arayüz; masaüstü ya da mobil tarayıcıda rahatça çalışmalı. • Ödeme/transfer sonuç ekranında işlem kimliği ve onay durumunu net gösteren bildirim akışı. Teknik beklentiler • Modern bir backend dili (Node.js, Python, Go vb.) ve iyi bilinen bir blok-zincir SDK’sı kullanmanı tercih ederim. &bul...

Je souhaite réaliser un petit module capable de faire varier la vitesse d’un moteur à courant continu (DC) à l’aide d’un potentiomètre rotatif. Voici ce que j’attends : • Conception du schéma électronique et choix des composants (transistor, MOSFET, driver, protection, etc.) adaptés à une plage d’alimentation typique de 12 – 24 V. • Routage d’un circuit imprimé compact, prêt pour fabrication (fichiers Gerber + BOM). • Proposition d’un code microcontrôleur ou d’une solution purement analogique ; je suis ouvert aux deux du moment que la variation reste fluide et linéaire sur toute la course du potentiomètre. • Documentatio...

Custom Automated Crepe Machine — Full Build (Design + Electronics + Assembly + Shipping) I need a mechatronics engineer to design, build, and ship a fully working automated crepe-making machine. The machine sits above my existing commercial electric crepe griddle (Krampouz, 2 × 400mm plates) and automates the full process: • Batter dispensing via peristaltic pump + nozzle • Motorized T-spreader arm (stepper motor, spiral motion) • Cook monitoring (IR temperature sensor + timer) • Chocolate/topping dispensing (3 heated pumps + 1 dry topping dispenser) • Auto folding into triangle (spatula + folding arms) • Inserting into paper cone sleeve packaging Tech stack: Arduino Mega, stepper motors, servos, peristaltic pumps, 3D-printed structural parts (...

Il progetto – un controller basato su ESP32 capace di gestire correnti fino a 30 A – è ormai quasi concluso: i prototipi girano, le PCB sono state prodotte, ma lo sviluppatore che seguiva la parte tecnica ha interrotto la collaborazione. Mi serve quindi un professionista che completi gli ultimi passaggi lato firmware e verifichi lo schema hardware, assicurandosi che tutto funzioni in modo sicuro e stabile sotto carico. Restano da chiudere tre aree chiave: • Sviluppo software: scrivere e rifinire il firmware ESP-IDF/Arduino (a seconda di ciò che adotteremo) per il controllo di potenza, protezioni termiche e comunicazione con il bus di monitoraggio. • Testing e debug: stress test a 30 A, logging degli errori, ottimizzazione dell’uso di memoria/R...

PCB Designer Needed for Small LED Headphones Music Player Board with 1GB Storage I need an experienced PCB designer to create a small manufacturable PCB for LED headphones. The main purpose of the device is to play music without a phone. Bluetooth is optional/secondary, but the product must work as a standalone music player. The PCB should be compact, ideally no bigger than a USB flash drive, around 50 mm x 20 mm or smaller if practical. Main function: - Standalone music playback without phone - 1GB onboard storage for downloaded music - Music should be transferred to the device, preferably through USB if practical - Audio output should go to headphone wires using solder pads or through-holes - No headphone jack required - LED output/control for LED headphones - Bluetooth playback from...

I’m building a new electronic digital-lock and need an enthusiastic fresher who wants real-world experience in the technical electronic domain. You’ll work alongside me on everything from early-stage circuit design to basic firmware tweaks, refining the lock’s functionality, helping validate the hardware on the bench, and documenting each step so the work can be replicated later. You do not need years of background—just a solid grasp of electronics fundamentals, the curiosity to learn fast, and the confidence to ask questions. Familiarity with simple microcontrollers, C/C++ or Arduino-style tooling, and any PCB design package will make the ramp-up smoother, but I’m happy to mentor you through unfamiliar areas. Deliverables I expect as we progress: • U...

I need a clean, ready-to-build schematic for a compact keyboard that uses an Arduino Micro as the controller. The board is for everyday, general use and will be arranged in a 3-row by 3-column matrix, with an additional key to switch between 4 modes. (10 keys in total). Hot-Swap Keyboard for the keys. Add diodes Include a 2 layer LCD Display that can be programmed on the Arduino Pro Mirco. Besides the usual character input, I want a few of those keys assigned to media functions—play, pause, volume up/down—and a couple reserved for custom macros. If you include diode placement and a clear pin map from the key matrix to the Arduino Micro’s GPIO pins, that will make firmware-writing straightforward on my side. PCB must be spaced to fit a 3d Printed enclosure Please del...

I need an engineer who can take a stock CVT Android-TV motherboard and turn it into a polished, brandable product. The job centres on building or modifying the AOSP-based firmware, flashing it on-board through UART, and validating everything on an LED panel. What I must receive from you • Custom boot logo and full start-up branding • Precise remote-control key-map that matches my IR layout • Stable Wi-Fi & Bluetooth drivers baked into the image Beyond those three deliverables, you will also handle panel timing, LVDS settings, basic app pre-loads, and general optimisation so the UI feels snappy. If OTA updating can be kept intact after your changes, that is a plus, but the core of the work is the flashable image itself. I typically work with MTK, Realtek and oth...

I need a complete hardware-to-firmware solution for a low-power, standalone temperature and humidity monitor that relies on 4G/LTE rather than Wi-Fi. The core will be an ESP32 driving a SIM7600G module, paired with a DHT22 sensor. Collected readings must be published over MQTT to my Supabase/PostgreSQL back-end. The device will sleep most of the time, wake on schedule, take a reading, push it securely, then drop back into deep sleep. It also has to recognise a lost cellular link, attempt reconnection gracefully, and log any failures for later review. Power comes from a Li-po pack, topped up through a USB-C port, so the design needs an efficient charging and protection stage. Please deliver: • Complete, readable schematic (PDF + source) • Production-ready PCB layout with G...

Firmware Adaptation for CH591 From CH592

Hi I will share the details with the shortlisted candidates. Thanks

Hi I will share the details with the shortlisted candidates. thanks

I’m looking for a freelance robotics/mechanical engineer to help build a small ambient companion robot prototype called Madison Orb v1. This is an early-stage, hands-on prototype project focused on creating a calm, premium-feeling robotic presence — not a toy robot or research platform. The overall concept, industrial design direction, behavior philosophy, and initial STL reference files are already defined. Updated design references and prototype specifications are available. Key Design Direction (UPDATED) The project has evolved from a basic mobile robot into a more refined ambient companion concept with: egg-shaped enclosure design (not a perfect sphere) glossy black front visor single expressive LED light ring (instead of cartoon eyes) matching ambient LED band around t...

San Francisco based engineer needed I'm seeking an expert to create two remote-controlled mecanum-wheel systems for use in a live theatre show to control two moving set pieces. Wheels, motors and parts purchased independently by us. Requirements: - Forward/Backward/Side movement - Speed control - High precision in movements Ideal Skills and Experience: - Experience with robotics and remote control systems - Proficiency in custom remote control design - Strong understanding of mecanum wheel mechanics and movement dynamics - Ability to deliver smooth, precise control Please share relevant past work and ensure you can meet the precision requirement.

I have a proof-of-concept in mind that will let me switch household appliances on and off from a distance using LoRa and an ESP32. The focus is purely remote control—no fancy scheduling or parameter tweaking for now—so reliability, range and low-latency switching are the priorities. I already work with the Arduino IDE and PlatformIO, but I need someone who has hands-on experience pairing ESP32 boards with the right LoRa transceiver (SX1278, RFM95, or any module you know performs well). You’ll guide the hardware choices, write the firmware, and make sure the receiver node triggers a solid-state relay (or a simple LED during testing) whenever the transmitter sends an ON/OFF command. Deliverables: • Schematic or wiring diagram for both transmitter and receiver nodes ...

I’m developing my final-year Design & Technology major work around water safety and need a robust swimming safety monitoring system created fast. The core objective is real-time safety monitoring that instantly recognises when a swimmer is in distress and notifies supervisors without delay. I’m open to the most effective approach you can deliver quickly—whether that’s a wearable sensor set, a vision-based pool camera solution, smart buoys, or a hybrid of these. What matters is proven, repeatable detection of hazardous situations (e.g., prolonged submersion or lack of movement) and an immediate audible and mobile alert. Deliverables • System architecture diagram showing all hardware and data flow • Complete component list with datasheets or purcha...

MAIN THINGS TO COMPLETE / SUBMIT No. of Apps: 3 1. Data Driven Application – Python Tkinter app using an API. 2. Tomorrow’s Web Proof of Concept – full web application with front-end and back-end. 3. Machine Learning Model – functional ML model/project. No. of Games: 1 1. Indie Game Design – 2D Unity game with Windows build, Unity project folder, assets, scripts, and walkthrough video. No. of Websites: 2 1. Showcase Portfolio Website – online professional portfolio for job application. 2. Creative Incubator Website – campaign website for the group prototype/project. No. of Physical Computing / Arduino Projects: 7 1. Arduino Experiment 1 2. Arduino Experiment 2 3. Arduino Experiment 3 4. Arduino Experiment 4 5. Arduino Experiment 5 6. Arduino Ex...

I need one production-ready showcase device built and shipped within 3–4 weeks. This goes directly in front of investors — it must look finished, not prototype. The device: A wall-mounted solar monitor called VEO. Round display showing live data. 24-LED NeoPixel ring glowing green (healthy) or red (fault). Compact enclosure. Power on → demo starts. No desktop, no setup. Your job: • Mount Pi Zero 2W, round display, and NeoPixel ring into a clean enclosure • Wire NeoPixel ring concentrically around the display • Configure Pi to boot headless directly into existing Python app (already written) • Ensure Wi-Fi auto-connects on boot Enclosure: 3D printed, acrylic, or machined — your choice. No exposed wiring. Display flush with front face. LED ring ...

I have an ESP32 Basic Core IoT Development Kit V2.7 installed in my truck and need firmware that will warn me whenever the Starlink router stays powered after I switch the ignition off. The sketch should watch a dedicated ignition-sense pin: while the line is high the unit does nothing special, but as soon as it goes low it must keep polling the Wi-Fi connection status in code. If the ESP32 is still associated with any network after a user configurable amount of time, an on-board LED must begin to flash, screen starts flashing and the internal speaker must chirp in tandem until the Wi-Fi link drops or the ignition is restored. I would like a simple LCD screen interface on the kit’s I²C display that shows real-time states (“Ignition ON / OFF”, “Wi-Fi CONNECT...

I aim to develop a solution that will facilitate data communication between an Arduino UNO and a SIM7600E using AT+COMMAND. The primary data in focus will be temperature sensor readings. Key Responsibilities: - Setting up a reliable connection between Arduino UNO and SIM7600E - Implement AT+COMMAND for effective communication - Design a protocol for transmitting temperature sensor data Ideal Skills: - Solid knowledge of Arduino - Proficiency in handling SIM7600E - Experience in implementing AT+COMMAND - Understanding of sensor data transmissions. Please ensure you can efficiently deliver on these requirements, and provide the mentioned sensor data communication before placing your bid.