| Simple but effective good-old-555 based circuit that detects condensation and drives a fan in a bathroom. The original design uses a capacit...
| Simple but effective good-old-555 based circuit that detects condensation and drives a fan in a bathroom. The original design uses a capacit...
| Simple but effective good-old-555 based circuit that detects condensation and drives a fan in a bathroom. The original design uses a capacit...