Although solar panels may seem like a kind of magic, they’re really quite simple devices, in their silicon form featuring nothing but the p-type silicon wafer and an n-type layer …read more (https://hackaday.com/2026/10/19/making-photovoltaic-solar-cells-with-a-microwave/)

Birduino Plays Bird Calls on Demand with NFC-enabled Cards
https://hackaday.com/2026/10/19/birduino-plays-bird-calls-on-demand-with-nfc-enabled-cards/

All [Hannah Robertson]’s Birduino needs is for one to tap an NFC-enabled card to the reader, and the device plays one of the vocalizations associated with the bird shown on …read more (https://hackaday.com/2026/10/19/birduino-plays-bird-calls-on-demand-with-nfc-enabled-cards/)

Visualize Regular Expressions with Marbles
https://hackaday.com/2026/10/20/visualize-regular-expressions-with-marbles/

If you are one of those people who visualize things physically better than in the abstract, then Regex Marble Run by [bottomless] might be for you. You enter a test …read more (https://hackaday.com/2026/10/20/visualize-regular-expressions-with-marbles/)

Super Mario Galaxy Now Runs on the GBA
https://hackaday.com/2026/10/20/super-mario-galaxy-now-runs-on-the-gba/

Joining the ranks of fresh backported Nintendo games is Super Mario Galaxy for the Nintendo Game Boy Advance (GBA), courtesy of [Tobias Friedly], AKA [Tobi]. In a recent video he announces …read more (https://hackaday.com/2026/10/20/super-mario-galaxy-now-runs-on-the-gba/)