Meshtastic Communicator keyboard for HELTEC v3

     See also other communicators

Check out our new Ultra low power, easy to build, flagship communicators with nRF52840 and GPS, hundreds of hours online, 10x lower consumption than ESP32-based systems

• RakSenger - Next-generation compact messenger with GPS and large OLED, very well-known based on popular WisBlock modules from RAKwireless
• MeshSenger - Minimalist unit with small IPS LCD display based on latest Heltec Mesh Node T114

Or explore our established, easy to build Heltec based LoRa communicator:

• TrackSenger - Compact messenger with GPS based on Heltec TRACKER
• MechSenger - Low profile mechanical keyboard, large OLED display
• HelSenger - Minimalist unit with small OLED display Heltec LoRa v3

Or explore our established ESP32S3 + RFM95 LoRa platforms:

• Armachat - Popular, old but very well-tuned, established, based on the very universal PICOMPUTER platform with Color IPS display and new meshtastic UI
• PicoKeyboard - Minimalist alternative, TH components, V- style

I am an active contributor and supporter of the Meshtastic open-source project.

consider taking a look at the latest communicators with nRF52840 that will provide you with unrivaled battery life and the lowest consumption.

Important Notice

WARNING: HIGHLY EXPERIMENTAL DEVICE UNDER ACTIVE DEVELOPMENT. NOT A PROFESSIONAL END PRODUCT.

The board is fully passive, it does not contain any chips, only buttons, speaker and battery holder.

Maybe some 3D printed case help to look better. For sale bare PCB board only no components.

         Heltec V3 module not included,bare pcb for DIY assembly
         please purchase directly from manufacturer

Keyboard need custom firmware, Download from DATASHEET.

The keyboard can be cut off and connected via a 12-pin connector.

BOM: required components

• 1x this magic motherboard PCB with optional covers
• 1x Heltec V3 package contains everything needed (battery connector, antenna with SMA, male headers)
• 1x piezo beeper
• 2x female headers
• 1x side power switch
• 36 tactile switch recommended with switch force 1N 7mm height if you want use cover or smaller if you use motherboard only
• 1x optional side buttons to easier access to USER button
• 1x optional 18650 battery holder

DIY Assembly

• solder switches
• solder Heltec V3 female headers to board
• upload firmware from this page with WebFlasher (select complete ZIP file)