Heart-rate monitor uses a Wemos, a small OLED display and MicroPython - Raspberry Pi Pod and micro:bit base
This is one of my rare not-strictly-Raspberry-Pi blog posts. Although using a Wemos, because the programming is in Micro Python, it wouldn’t be difficult to convert to using, say, an MCP3008 chip to read the analog values and then GPIO…Read more →
Michael Horne
