LoRa Walkie Talkie Long Range
A long-range radio communicator using LoRa. The 150x70x35mm handheld device provides 5+ mile range in open areas. Text messaging and GPS position sharing. Rechargeable battery lasts 48 hours. No cell network or license needed. Perfect for hiking, camping, events, emergency communication. This lora walkie talkie project is perfect for makers, DIY enthusiasts, and electronics hobbyists. Search volume: 720/month.
All parts, CAD, wiring, and firmware generated by Modo AI Hardware Builder with human direction.
—Validated fit
—Electrical OK
—Assembly ready
Parts
| Part | Why | MPN | Qty | |
|---|---|---|---|---|
| ESP32-S3 Main MCU Espressif Systems |
Main microcontroller for custom device - provides processing power for text messaging, GPS coordination, and LoRa communication management | ESP32-S3 |
1 | |
| SX1276 LoRa Module Semtech Corporation |
Provides long-range LoRa communication for 5+ mile range text messaging between devices | SX1276MB1MAS |
1 | |
| GPS Sensor Module SparkFun Electronics |
GPS module for position sharing functionality as specified in requirements | 13905 |
1 | |
| OLED Display Orient Display |
Display for showing text messages, GPS coordinates, and device status to user | AOM12864A0-0.96WW |
1 | |
| Navigation Buttons E-Switch |
User input buttons for navigating menus, composing messages, and controlling device functions | TL2285OA |
4 | |
| Li-Po Battery Charger IC Microchip Technology |
Battery charging management for 48-hour battery life requirement with rechargeable Li-Po battery | MCP73831T-2ACI/OT |
1 | |
| 3.3V LDO Regulator Texas Instruments |
Provides stable 3.3V power rail from battery for all system components | LM1117MPX-3.3/NOPB |
1 | |
| 18650 Battery Holder MPD (Memory Protection Devices) |
Holds 18650 Li-ion battery to meet 48-hour battery life requirement for handheld operation | BK-18650-PC4 |
1 | |
| Power Switch C&K |
On/off switch for device power control in handheld design | OS102011MS2QN1 |
1 |
9 unique parts, 12 total components.