I will do firmware and ble support for nordic nrf52 stm esp32

I will provide the following services and more if you want

• Custom firmware design on Segger Embedded Studio. Also support for nrf command line tool, nrfgo studio and nrfconnect desktop.
• Write code and support for microcontrollers nrf52 chips like nrf52832, nrf52840, itybitsy board, Sparkfun Breakout board and STM32 boards.
• Interfacing and designing of the custom PCB board based on nrf52 chips
• nrfconnect and custom app integration with the nrf based chips
• Provide the Bluetooth services and characteristics for custom firmware requirements
• OTA, DFU, encryption and boot loader supports
• Low power and deep sleep modes implementations
• Interfacing of all sort of sensors and actuators to the device
• Cloud communication
• Mesh implementation
• Provide the firmware design and architecture document if client want the documentation
• Can develop any IoT based solution on these nordic chips and provide the 100 satisfactory product.