Checking v6

[lpatiny]

• [x] Power supply ICSP
• [x] Power supply USB
• [x] Power supply 12V
• [x] Led Vin
• [x] Led 3.3v
• [x] Upload firmware
• [x] Led Blink
• [x] USB detection
• [x] RX Led
• [x] TX Led
• [ ] Led PID
• [ ] PID
• [x] fan
• [x] Led OUT 1
• [x] OUT 1 (12V)
• [x] Led OUT 2
• [x] OUT 2 (12V)
• [x] Led OUT 3
• [x] OUT 3 (12V)
• [x] Led OUT 4
• [x] OUT 4 (12V)
• [x] Memory Led
• [x] Memory
• [x] Onewire pcb
• [x] One wire external 1
• [x] One wire external 2
• [ ] Weight
• [ ] Stepper Led
• [ ] Stepper
• [ ] I2C 1 - 12V
• [ ] I2C 1 - communication
• [ ] I2C 2 - 12V
• [ ] I2C 2 - communication

[lpatiny]

See https://github.com/Hackuarium/bioreactor/issues/32