Uses: attic_fan_remote_sensor : ESP01 Master & esp01 remote, DS18B20, ESPNOW, 2n2222-SSR-25 DA: Control "relay" SSR-25 DA to turn on/off a box fan that covers an attic access in the ceiling. Using two DS18B20 temp sensors, one in the Attic and one in the hallway AND a third remote esp01 managing a DS18B20 the Attic esp01's C++ will determine whe…