1.3 - 2023/08/21
- Using PC817 photocoupler to isolate command from relays
- Using separate PSU for ESP32 and relays

1.2 - 2023/08/07
- Using wide 2N2222 footprint
- Replaced LM7805 with external 5VDC PSU
- Add prototyping area on PCB

1.1 - 2023/08/05
- Fixed 2N2222 footprint orientation

1.0 - 2023/07/28
- First release
