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I will wearable pcb firmware ble nfc ecg ppg esp32 nrf52 smartwatch
United Kingdom
I speak English, German
PCB DESIGN
I am a skilled PCB Design and Embedded Systems Engineer with experience in creating professional schematic designs, PCB layouts, and complete hardware solutions for modern electronic products. I work ...
About this Gig
Hello there,
I design custom wearable PCB (rigid, flexible, and rigid-flex), low-power firmware, and full sensor integration for health monitoring devices like smartwatches, fitness trackers, smart rings, and medical wearables.
What I Offer:
- Schematic design & multilayer PCB layout (KiCad/Altium)
- Ultra-low power BLE modules (nRF52840, ESP32, STM32)
- NFC chips for contactless interaction
- Sensor integration: ECG, PPG (heart rate), SpO2, IMU (accelerometer/gyro), GSR, temperature, pressure & GPS
- Li Po battery systems + advanced Power Management (PMICs)
- Real time signal processing & edge computing
- Firmware development with Bluetooth Low Energy, WiFi, OTA updates
- Cloud + mobile app integration (iOS/Android)
- Miniaturized design optimized for size, power, and performance
Whether you need a simple fitness band like Xiaomi Mi Band, advanced health tracker like Oura Ring , Apple Watch style, or custom biomedical device I deliver clean, optimized, and manufacturable designs.
You will receive:
- Professional Gerber files & BOM
- Source code & firmware
- Schematic & 3D PCB view
- Testing guidance & support
Message me with your project details and let's build something amazing together!
FAQ
What kind of wearable devices can you design?
I specialize in smartwatches, fitness trackers, smart rings, health monitoring bands, and custom biomedical wearables with sensors like ECG, PPG, SpO2, IMU, etc.
Which microcontrollers and wireless modules do you work with?
ESP32, Nordic nRF52840, STM32, Arduino Nano 33 BLE, and others. I also integrate BLE, NFC, WiFi, and GPS.
Do you design flexible or rigid-flex PCBs?
Yes, I provide both rigid, flexible, and rigid-flex PCB designs optimized for compact wearable form factors.
What sensors can you integrate?
Heart rate (PPG), ECG, SpO2, Accelerometer/Gyroscope (IMU), Temperature, GSR (skin conductivity), Pressure, and more.
Do you provide firmware and app integration?
Yes. I deliver low-power firmware with BLE/NFC, real-time signal processing, power management, and basic cloud + mobile app connectivity.
