see the article here or the listing here
- reads data from Brymen 867/869 via infrared
- sends the measurements at 115200 baud via serial port
- output data rate and format adjustable (5 readings/s, 1 reading/s, single reading); settings are stored in EEPROM and remembered on next power up
- BOOT0 pin available as a button, so you can update the FW without disassembling the case
- activity LED
Here's how the serial output looks:
If you are ordering it without the USB cable, here's how to connect it:
Note: revisions 1.x can be found here, revision 2.0 can be found here.
And here's the schematic:
