Using an Arduino controller, create a LoRa transceiver for temperature, moisture, and relay circuits. The temperature sensor (ds18b20) is connected to the Arduino through 1 wire, whilst the capacitive ...

Arduino Pro Mini TTN LoRaWAN Node with DHT22 and RFM95 module powered by an 18650 protected battery. The Arduino was converted to LowPower by desoldering the power LED and the voltage converter.

Designed by Thailand-based Saijai Tech, MiniLink IIoT Node is an Arduino compatible board based on either an ESP32 WiFi & Bluetooth SoC or an unnamed Microchip Cortex-M0+ microcontroller designed for ...

An ASK based RF receiver module with 433MHz carrier frequency is used to demodulate and receive data transmitted by sensor node’s RF transmitter module. Microcontroller. Arduino Nano board is used as ...

Initially define the Pin of microcontroller where led is connected. In this example, the LED is connected to Pin 5 of Arduino UNO. The ‘var’ in Node.js represents variable declaration. var led_pin=5; ...