LoRa Node with OLED Display and 3 Relays with ESP32

Front of PCB

This PCB is a relay controller board with LoRa, You can use this PCB mostly to control appliances like garage doors etc. The Pcb uses:

• ESP32 as the microcontroller
• RYLR896 LoRa module.
• OLED SSD13086 0.96' display
• Other basic components.

There are 3 relays on board connected to pin 25/26/27 which can be customised using the selector jumpers under the ESP32 board.

Back of PCB

Ordering the PCB

I would also recommend to get your PCB manufactured. You can order your PCBs from PCBWAY as they offer 10 PCBs for just $5. Check out their online Gerber viewer function. With reward points you can get free stuff from their gift shop.

Schematic