## CHPC: Cheap Heat Pump Controller v1.0 # Development State: active Thread: https://www.forumhouse.ru/threads/469103/ # PCB Design There are 2 PCB designs: type "F" and type "G" Type "F" features: - only SMD componens, - internal power source, - 10 output channels, - 4 input channels, - 5 relays: 1*16A + 4*7A, - buzzer, - EEV support, - 16 bit i2c ADC: on board, - i2c devices: allowed. Type "G" features: - no SMD components, - external, board-placed power source, - 5 output channels, - 4 input channels, - 5 relays: 2*16A + 3*7A, - buzzer, - EEV support, - 16 bit i2c ADC: off board, - i2c devices: allowed.