ATtiny85 Dev Board

Minimal SOIC-8 ATtiny85 board with ICSP header, status LED, and decoupling.

Difficulty: Surface-mount. Estimated build time: about 90 minutes. Estimated parts cost: about US$5.00. 7-part bill of materials with live supplier pricing. A minimal printed circuit board carrying an ATtiny85 in SOIC-8 package, a 6-pin ICSP header for in-system programming, a status LED on PB0, a 100 nF decoupling capacitor on VCC, and a 10 kΩ pull-up on the RESET line.