ATmega328P LoRa Radio Node Sx1276 / Sx1278 same as the Arduino pro mini IoT end nodes

The LoRa Radio Node v1.0 based on the ATmega328P and Sx1276 or Sx1278 radio module. The main chip ATmega328P clocked at 8 MHz and at 3.3V logic, which use the Arduino pro mini 8Mhz 3.3V bootloader, usage same as the Arduino pro mini. This chip has 32K of flash and 2K of RAM.

On board with a 3.7V 14500 battery holder, so it can use anywhere you like. In this LoRa Radio Node, we break out 2 IIC ports, 2 analog port (A0 A1) and 2 digital port (D3 D4) with 4 pin and 3 pin 2510-I type header.

Feature:

Power supply: 3.7V 14500 Lipo battery or 3.7-12V DC power(VCC GND: 2PIN 2510-I Type connect)

Size: 40mm x 60mm

ATmega328P @ 8MHz with 3.3V logic/power

3.3V regulator with 500mA peak current output

Hardware Serial, hardware I2C, hardware SPI support

1 x PWM pins: D3

12 x analog inputs: A0 A1

Pin #13 BLUE LED for general purpose blinking

2 mounting holes

Reset button

This LoRa Radio Node uses the extra space left over to add a Sx1276(868MHz,915MHz) or Sx1278(433MHz) radio module.

These radios are not good for transmitting audio or video, but they do work quite well for small data packet transmission when you need more range than 2.4 GHz (BT, BLE, WiFi, ZigBee).

SX1276 /SX1278 LoRa® based module with SPI interface

Packet radio with ready-to-go Arduino libraries

Uses the amateur or license-free ISM band: ITU "Europe" license-free ISM or ITU "American" amateur (with amateur band limitations)

+5 to +20 dBm up to 100 mW Power Output Capability (power output selectable in software)

~300uA during full sleep, ~120mA peak during +20dBm transmit, ~40mA during active radio listening.

Simple wire antenna or spot for uFL connector

Package list

LoRa Radio Node v1.0

IPEX interface Spring antenna