For personal use, not for resale!

Check new super simple messengers based on All in one Heltec TRACKER as main brain.

Same firmware, same simplicity as TrackSenger, just another switches now with Meshtastic support.

I am a backer and supporter of the Meshtastic project.

TrackSenger https://www.tindie.com/products/7635/

MechSenger https://www.tindie.com/products/7398/

Or older PICOmputer 28 ESP32S3 + RFM95 LoRa

Armachat https://www.tindie.com/products/3794/

Keep in mind that this is a somewhat expensive project. Before you start, calculate the costs of the necessary components such as switches, keycaps, display, and tracker.

Heltec TRACKER order link https://s.click.aliexpress.com/e/_oFbTKYO

The package includes all necessary components: battery connector, antenna with SMA, and male headers.

Bill of Materials (BOM): Required components.

firmware is ready in Meshtastic Flasher select TrackSenger

The keyboard can be cut off and connected via a 12-pin connector. There are two options for the keyboard cover. One possibility for 3d printing lovers is to enable the installation in the PCB box, but this will require a few more attempts. 18650 battery optional, there will be enough space in the box for any battery.

BOM: required components if you order bare PCB only

1x this magic motherboard PCB with optional covers

1x Heltec TRACKER order link package contains everything needed (battery connector, antenna with SMA, male headers)

1x piezo beeper

4x female headers

1x power switch

36 tactile switch recommended with switch force 1N 7mm height if you want use cover or smaller if you use motherboard only

2x optional side buttons to easier access to USER or RESET button

1x optional 18650 battery holder

DIY Assembly

• solder switches
• solder Heltec tacker female headers to board
• upload firmware with WebFlasher