The TM680 is a popular budget mechanical keyboard (often found on AliExpress or Banggood) that features a hot-swappable PCB and south-facing RGB lights.
Because it is a generic Chinese keyboard, the "official" software is often basic, sometimes flagged by antivirus, and usually requires some setup. Below is a guide on how to find, install, and use the TM680 software. tm680 keyboard software
The RGB is driven by an unmarked microcontroller. It has 18+ modes, but software labeling is poor. The TM680 is a popular budget mechanical keyboard
The TM680 does NOT support VIA or QMK firmware. It uses a proprietary Chinese MCU (usually a Holtek or similar). You must use the provided TM680 driver for any customization beyond basic Fn-layer shortcuts. Remap the Fn key position Change the knob’s
What you can’t do without the driver: