1209 / FD42 - SAO Digital Multimeter
| VID | 0x1209 |
|---|---|
| PID | 0xFD42 |
| Owner | HXR.DK |
| License | CC-BY-SA (hardware), MIT (Circuit Python firmware) |
| Site | https://github.com/flummer/dmm-sao |
| Source | https://github.com/flummer/dmm-sao |
A small digital multimeter that is designed as a badge add-on, following the SAO v1.69 specification. It is using the Raspberry Pi RP2040 and features a small OLED screen, rotating knob, function button and probe terminals, all housed in a 3D printed case.
The firmware is using CircuitPython and the code can easily be hacked, by connecting via USB-C to the RP2040.