Firmware and PCB design for a IoT sensor board with nRF52840

We need a nRF52840 Firmware Program in Keil MDK for USB Mass DFU and Bluetooth HID. · ...

Update the special mode to work both ways i.e. add 1200 baud, 7 data bits and even parity from BLE data stream via UART to the RS232 serial port. · ...

Seeking an experienced freelancer to complete PCB layout using Altium Designer. · Circuit Design · PCB Design · ...

We are seeking an experienced PCB designer to create an extension board for the Adafruit NRF52840 Express. · PCB Design. · Electronics. · Electrical Engineering. · Circuit Design. · ...

We are seeking a skilled PCB designer to create two PCBs: one based on the nRF52840 with a wireless charging receiver. · Electrical EngineeringMechanical Engineering ...

We have an nRF52840 based PCB and need a USB Mass Storage DFU firmware developed using Keil MDK and the Nordic nRF5 SDK. · This is the first task. We have additional projects planned, · and a successful developer will have long-term work opportunities. ...

We are looking for a skilled PCB designer to create a smart jewelry wellness tracker using the Nordic nRF52840 BLE SoC. · ...

We're building a wearable impact sensor using nrf52840 and zephyr / nrf connect sdk. · For this mvp phase we need a senior embedded developer to review and extend the existing firmware. ...

An experienced Embedded Hardware Engineer is needed to review debug determine viability of custom nRF52840 PCB. · This role requires ownership of technical judgment providing defensible recommendation. · Firmware already developed working on nRF52840 Dev Kit · Custom PCBs fabrica ...

Update a small PCB wearable project. · Main goal is to reduce the pcb size while maintaining main functionality - reading IMU data and sending via BLE.Removing barometer and ToF sensor from the boardDecreasing the PCB size and making a circleSwitching from Xiao Ble (nRF52840) to ...

We are seeking an experienced Embedded Firmware Engineer to develop firmware for the XIAO nRF52840 Sense. · ...

Design a battery-powered QR/2D scanner PCB using a Newland NLS-EM3396 scan engine and an nRF52840 BLE MCU. · ...

Rebuild firmware in a clean, maintainable project. Ensure functional equivalence. Implement improvements and optimizations. · Rebuild firmware in a clean, maintainable project · Ensure functional equivalence · Implement improvements and optimizations · ...

I need you to design the PCB in KiCad for manufacture (e.g. JLCPCB). The prototype includes: · 1x ESP32-S3-Zero · 1x LSM6DS3 IMU (I2C) · 1x SD card reader (SPI) · Circuit Design · KiCad · ...

We are developing TrackPro,a sophisticated wearable activity and behavior tracker.We are seeking a solution partner to help us build a scalable MVP designed for future mass production.Proficiency with Nordic nRF52840 or ESP32-S3/C3 classes for low-power SoC performance. · Develop ...

We are looking for an experienced Electronics Engineer/PCB Designer to design the hardware for a commercial-grade smart hotel door lock system. · ...

An experienced Electronics Design Engineer is needed to develop the PCBA for a compact medical wearable device. · We have the BOM, component requirements, and a reference architecture ready. Your job is to capture the schematic and create a production-ready PCB layout optimized f ...

I am developing a medical wearable device for infants (0-6 months) to monitor vital signs including heart rate (HR), blood oxygen saturation (SpO2), and skin temperature. · ...