Thanks sharing your project.
I'm fully read the description, so that, I'm very interested to this project.
As I'm a Senior Embedded System Engineer, so I have rich experiences in embedded device development using BLDaha Fazla
We can implement Bluetooth and RF propriety bootloaders for wireless project using Nordic nRF52840. We are an innovative team of PCB designing & Firmware development experts driven by solutions and results.
I am senior microcontroller and Electrical Engineer.
I have plenty of experience in firmware development.
I have developed the firmware used the nRF52840, ESP32, ESP8266.
I have a experience developed the STM32 bDaha Fazla
I have rich experiences with microcontroller firmware development for 7 years.
I am familiar with NRF52840/52832/51822, and I also have NRF52840 module.
Especially I have experiences with bootloader and I believe IDaha Fazla