YRabbityrabbit@mastodon.sdf.org
Oct 28, 2025, 1:11 AM@Mecrisp
The same diode as a transmitter and receiver? That's really crazy stuff.🤣
Replies
MecrispMecrisp@chaos.socialOct 28, 2025, 1:13 AM@yrabbit Yes, exactly!
- MecrispMecrisp@chaos.socialOct 29, 2025, 7:11 PM
Demos for using LEDs as photodiodes, including Ledcomm, but on microcontrollers:
https://hackaday.io/project/19244-leds-as-photodiodes-for-1-kb-challenge
And in-depth measurements on the spectral sensitivity of various LEDs:
https://hackaday.io/project/167816-which-colours-are-leds-sensitive-to