Quantity   Component name
2 × Reyax RYLR896 LoRa Transceiver Modules
2 × breadboards
2 × Arduino Unos You could use any other Arduino boards as well. The Maker Uno and the Seeeduino v4.2 is used in this example.
2 × USB Data Cable Depends on the Arduinos.
9 × Jumper Wires 9 Male to Male Jumper Wires.
2 × LEDs 2 LEDs of any colour.
1 × 4.7K resistor
3 × 10K resistors