Embedded Systems projects — HireLancer archive

ID / Date Listing

SI4010 RF Implementation Support

I am working on a compact RF application based on Silicon Labs’ SI4010 transmitter and now need a fresh set of expert eyes to get it production-ready. The hardw...

HL-40239747

Custom Android OS Development

I’m looking for an engineer who can build a full Android-based operating system for a new line of mobile devices. This goes well beyond theming or app-level twe...

HL-40238979

LED Resistor Circle Circuit Design

I need an educational/demo circuit design featuring a 0.625" (15.875mm) circle. Requirements: - 4 sets of SMD resistors connected to a blue LED. - All sets powe...

HL-40238866

Finalize ESP32 Motion Control PCB

Sixteen years of mechanical and software development have brought our motion-control product to a working breadboard built around an ESP32, stepper motors, driv...

HL-40238653

Raspberry Pi Offline Health Assistant

I have a Raspberry Pi 5 paired with a HealthyPi 5 HAT on my bench and I want to turn it into a completely offline, voice-driven health companion in the next two...

HL-40238418

ESP32 Low-Power Audio Device — Custom PC

Description We're developing a battery-powered consumer audio device that plays pre-loaded audio recordings on a daily schedule (three fixed times per day). Aud...

HL-40238422

Automated Shutter Electronics Prototype

I’m looking for an engineer or a small team to deliver a working prototype of the electronics for a automated shutter project. The system runs on 24V DC and dri...

HL-40236420

Compact Custom Electronic Metronome

I'm looking for a small, electronic metronome with the following specifications: - **Form Factor**: Circular (like a 5cm button) or flat (like a credit card). -...

HL-40237384

FlexPendant Pick-and-Place Programming -- 2

CONFIGURAR LAS CUATRO TECLAS PROGRAMABLES DE LA CONSOLA PARA REALIZAR LAS SIGUIENTES TRAYECTORIAS AL PULSAR CADA UNA DE ELLAS: TECLA PROGRAMABLE 1 (TP1) : CUADR...

HL-40237030

Raspberry Pi USB-C Splitter HAT

I want a Raspberry Pi HAT that accepts a single USB-C PD input and breaks it out into three or four downstream USB-C ports that carry both power and data. Each...

HL-40236864

Secure Offline BLE Drift Bike Control

I need a turnkey Bluetooth Low Energy control system that lets my staff manage indoor electric drift bikes from an Android tablet. When a rider is ready, the at...

HL-40236485

Medium PCB Design Integration

I'm looking for an experienced PCB designer to integrate several components for a control system product. The PCB will be powered by DC and should be of medium...

HL-40236325

MED17.1 Rolling Anti-Lag Development

I have the stock MED17.1 binary that runs on the Infineon Tricore TC1796 ( Audi A4 2011 ). My end-goal is simple: add a rolling anti-lag feature to the calibrat...

HL-40235838

Phone Case Electronics

I’ve completed the physical shell for a phone case with a built-in drawer. I now need a freelancer to design and prototype the **electronics + firmware** that d...

HL-40235773

NXP Board EMAC Implementation

I need to bring up the on-chip EMAC on my NXP board so it can reliably handle data transmission over Ethernet using UDP. The hardware is already powered and run...

HL-40235527

Esp32-s3 circuit design

I need help with a circuit design for a small engine tachometer. Issues with noise and pulse ringing at the moment. If you have experience please let me know

HL-40235244

Smart Phone Case Electronics Design & Prototyping

I’ve completed the physical shell for a phone case with a built-in drawer. I now need a freelancer to design and prototype the **electronics + firmware** that d...

HL-40235027

Self-Balancing Scooter Firmware

I have a new Segway-style scooter in development and need a seasoned embedded programmer to create the entire self-balancing (gyro/IMU) firmware that will ship...

HL-40234847

Medium Double-Sided PCB Design

I need a double-sided, plated-through-hole PCB for a scientific-industry device. The finished board must fit within 100 mm × 100 mm and be delivered as a comple...

HL-40234734

DECnet Phase IV -to-TCP Industrial Gateway Build

I need a compact, custom gateway that sits between an existing VAX / OpenVMS host (running DECnet Phase IV) and modern Windows-based SCADA software that only un...

HL-40234329

ESP32 Low-Power Audio Device — PCB Desig

Building a Catholic Prayer Chime Device — Electronics Design Phase We are developing The Angelus Chime, a battery-powered devotional device that plays authentic...

HL-40234230

Qt C++ Embedded STM32 Developer

I’m updating the firmware for an STM32-based design and need an experienced C++ developer who is comfortable inside STM32CubeIDE. The codebase already compiles...

HL-40234261

LSB Drone Image Steganography Prototype

The goal is to build a proof-of-concept that embeds additional image data inside the JPEG photographs captured by my drones, using the classic Least Significant...

HL-40233562

ESP32 Low-Power Audio Device — PCB Design + Firmware (KiCad, Digital Files)

Building a Catholic Prayer Chime Device — Electronics Design Phase We're developing The Angelus Chime, a battery-powered devotional device that plays authentic...

HL-40232601

Connect PCB to Lead-Acid Battery + Sensors Integration (ESP32)

I need an embedded engineer to help safely connect a PCB to a lead-acid battery pack in series and integrate 4 external sensors (temperature, humidity, water pr...

HL-40232983

Ionic Fingerprint Schematic using ESP32

Need getting Ionic Fingerprint from Saliva Need the schematic design circuit for this, with its components

HL-40232901

High-Precision Golf Ball Motion Laser

I need a compact laser-based device that can track a golf ball in real time, capture its rolling speed frame-by-frame, calculate deceleration, and then switch s...

HL-40232659

Wire Harness Testing Schematic and PCB Design

1) Project goal Design a single PCB device for testing cable harnesses up to 25 wires, where both ends of the same harness are connected to the board: Side A: 2...

HL-40232686

Alarm Robot for iPhone

I need a physical robot that can interact with my iPhone via touchscreen to type vital records reminders every morning and evening. Requirements: - The robot sh...

HL-40232146

Universal 12V SMPS Charger PCBA Design

Project Overview I am seeking an experienced Power Electronics and PCB Layout Engineer to design a universal 12V Switch-Mode Power Supply (SMPS) charger PCBA. T...

HL-40232222

Industrial TX/RX Controller based on ESP32: 8× analog + 2× digital + AUX, CAN bus (3.3V transceiver), power outputs with VN5016AJ (5A/channel) — schematic + PCB + enclosure

I’m looking for an experienced electronics designer to develop a complete industrial-grade control system consisting of two devices: 1. Transmitter (TX) – colle...

HL-40232083