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Homemade Transistor from Cadmium Sulfide Photocell (2009) (news.ycombinator.com)

2026-06-29 | get Photocell Light Sensor Kit → | tags: cadmium sulfide, fet transistor, radio shack

A dot a day keeps the clutter away (news.ycombinator.com)

2026-03-31 | get Magnetic Dry Erase Dots → | tags: digi-key, mouser, microcontrollers

Electronics for Kids, 2nd Edition (news.ycombinator.com)

2026-03-19 | get Kids' Electronics Learning Kit → | tags: leds, resistors, transistors

Doin' It with a 555: One Chip to Rule Them All (news.ycombinator.com)

2026-01-27 | get Microcontroller → | tags: capacitors, just, microcontrollers

Cursed circuits #3: true mathematics (news.ycombinator.com)

2025-12-22 | get TrueMath → | tags: capacitor, cdot, input

Lightning Detector Circuits (news.ycombinator.com)

2025-10-31 | get Amazon Echo Dot → | tags: just, lightning, power

Today's top topics: android authority apple google samsung deepseek spacex openai china blue origin mercenary spyware