LilyGo-T3S3-LCD-ShellySender

Simple LoRa button transmitter for the LilyGo T3S3 SX1262 with OLED display.

Features

• One-button ON/OF toggle
• LoRa packet transmission
• OLED status screen
• Transmission counter
• Configurable RF profiles

Hardware

• LilyGo T3S3 SX1262
• SSD1306 OLED 128x64
• Built-in button (GPIO0)

Payload Format

MG64738|ON
MG64738|OF

RF Profiles

Shelly RF

• 865.000 MHz
• BW 125 kHz
• SF12
• CR 4/5
• Sync Word 0x12

MeshCore Switzerland

Available in source code as alternative profile.

Display

Status screen:

• Frequency
• Bandwidth
• Spreading Factor
• Coding Rate
• Sync Word
• Transmission counter
• Current payload

Transmit screen:

• Sending status
• Payload
• Result

Library

• RadioLib
• Adafruit SSD1306
• Adafruit GFX

Platform

PlatformIO / ESP32-S3