Firmware: Fnirsi Dso-tc2

Before flashing any custom firmware, you must back up the original. Using a tool like stm32flash (for Linux) or a USB DFU tool, you can read the existing flash memory and save it as a .bin file. This is your lifeline to revert to stock.

The PCB exposes SWDIO and SWCLK pads (unpopulated header). Using a J-Link or ST-Link, we connected: fnirsi dso-tc2 firmware

A: Not officially. However, you can use dfu-util (open-source) on Linux/Mac. The command is: dfu-util -D firmware.bin . But you must put the device in DFU mode first. Before flashing any custom firmware, you must back

A failed firmware update can "brick" your device. Ensure the battery is at least 60% charged and do not interrupt the process. The PCB exposes SWDIO and SWCLK pads (unpopulated header)

You need an (about $10 on Amazon) and a soldering iron (or fine probes).

| Pad | Signal | |------|--------| | VCC | 3.3V | | SWDIO| Data | | SWCLK| Clock | | GND | Ground |