RA-02 LoRa SX1278 433MHz Wireless RF Module DC relay Short circuit protection: yes(limit current

Short circuit protection: yes(limit current 8A)

Pinout (SOP-14):

it can measure small signals accurately

Compact SOT-23 package for space-constrained PCB designs

RA-02 LoRa SX1278 433MHz Wireless RF Module DC relay Short circuit protection: yes(limit currentThe RA 02 is a LoRa wireless RF module based on the Semtech SX1278 chip, operating at 433MHz. It offers long range, low power communication ideal for IoT, remote sensing, and wireless data transmission projects. Chip: Semtech SX1278 Frequency: 433MHz Modulation: LoRa FSK Long range communication up to several kilometers Low power consumption SPI interface compatible with Arduino, ESP32, Raspberry Pi Suitable for IoT, telemetry, and remote sensor