ESPboy LORA messenger

Demo video

ESPboy LORA messenger based on EBYTE E32 LORA modules provides up to 8km encrypted chat. Almost absolute privacy )

You can buy this module ready-made or make it yourself.

1. Buy EBYTE E32 LORA module

Here you can find lot of them

Note:

• Select a module with the correct frequency range allowed in your country 433/868/915 MHz (see the module data sheet for the exact frequency range)
• Choose the module with the correct output power allowed in your country 100mW/1W (for the exact output power see the module's data sheet)
• You can communicate between modules with the same frequency

2. Buy and connect antenna with corresponded connector for the same frequency as your module (it's important to have correct antenna)

For example here

Running without antenna your module could be damaged!

3. Do the connections

• LORA VCC -> ESPBOY VCC
• LORA GND -> ESPBOY GND
• LORA M0 -> ESPBOY B5 (MCP23017 GPIO13)
• LORA M1 -> ESPBOY B6 (MCP23017 GPIO14)
• LORA AUX -> ESPBOY B7 (MCP23017 GPIO15)
• LORA RX -> ESPboy MO (MOSI)(D6)(GPIO12)
• LORA TX -> ESPboy D8 (GPIO15)

3. Upload this firmware

NOTE: Before compilation, set Arduino IDE settings

• Board: ESP8266 WeMos D1 mini
• CPU frequency: 160Mhz

4. Useful links

• Buy ESPboy
• DIY ESPboy
• Main Web site
• YouTube channel
• Community
• Discord chat
• Twitter
• Software
• Contact: espboy.edu@gmail.com