cheap bluetoothmodule - would it work?

Question

cheap bluetoothmodule - would it work?

pcace opened this issue a year ago · comments

Hi there,

would this work for the use with openHaystack? NRF52832 @aliexpress
what would be the smallest yet cheap devices wich would work?

Thanks a lot!!

hotaru · Answer 1 · Fri Feb 17 2023 17:06:54 GMT+0800 (China Standard Time)

currently there is no firmware for that model. In my opinion esp32 is still the best option you can have, and it costs half of the price of the NRF52832 (link)

Filip Krakowski · Answer 2 · Fri Feb 24 2023 21:38:19 GMT+0800 (China Standard Time)

Found these cheap bluetooth beacons using nRF51822 : https://aliexpress.com/item/1005003671695188.html

Using a flasher (ST-LINK/V2) it should be possible to flash the nRF51 firmware (https://github.com/seemoo-lab/openhaystack/tree/main/Firmware/Microbit_v1) onto it. Haven't tried it out yet, though.

jamine16 · Answer 3 · Sun Feb 26 2023 08:30:05 GMT+0800 (China Standard Time)

You can flash them with ST-link v2, but you need to convert it to a J-Link using the Asshole.bin firmware from here first

https://github.com/e0r/stm32f103c8t6-jlink

Then you can use the Jflash software.