mirror of
https://github.com/meshtastic/meshtastic.git
synced 2024-11-15 18:14:19 -08:00
b68a2a2283
* adding documentation for chatter and its keypad * restore lock file * updating the doc to add the TAB and RIGHT buttons mapping * fix SHIFT bug * change images format * convert images to webp --------- Co-authored-by: Tommy Ekstrand <tekstrand@users.noreply.github.com>
50 lines
1.6 KiB
Plaintext
50 lines
1.6 KiB
Plaintext
---
|
|
id: chatter
|
|
title: Chatter device
|
|
sidebar_label: Chatter
|
|
sidebar_position: 13
|
|
---
|
|
|
|
The Chatter is a DIY kit sold by CircuitMess. It is intended as a STEM toy and comes with a nice firmware allowing to connect to other Chatter and exchange messages.
|
|
However, it's HW is similar to most Meshtastic nodes, with an ESP32, a LoRa chip, a screen and few buttons.
|
|
|
|
|
|
|
|
There's two versions of the Chatter available with very few actual differences.
|
|
Chatter V2.0 sports:
|
|
- one button (Button 15) wired directly to the ESP32 (pin 36)
|
|
- an i2c port to easily connect a GPS
|
|
- a different routing
|
|
|
|
Both versions are fully supported by Meshastic with the same firmware.
|
|
|
|
The Meshtastic firmware works with the stock hardware, however, the LLCC68 LoRa chip cripples the RF capability of the device. As is, the Chatter can only communicate on the Medium-Slow channel.
|
|
Switching the chip with the pin-compatible and more capable Heltec RA62 (as mentioned in this Github issue https://github.com/meshtastic/firmware/issues/2896) unlock the full potential of the device.
|
|
|
|
|
|
## Specifications
|
|
|
|
- **MCU**
|
|
- ESP32 WROOM (WiFi & Bluetooth)
|
|
- Bluetooth 4.2
|
|
- **LoRa Transceiver**
|
|
- LLCC68
|
|
- **Frequency options**
|
|
- EU-868 MHz
|
|
- **Keypad**
|
|
- 74HC165 based serial keypad
|
|
- **Connectors**
|
|
- USB-C
|
|
|
|
## Features
|
|
|
|
- Integrated Keypad for on device message input
|
|
- 1.3 inch OLED screen
|
|
- Optional I2C GPS Module
|
|
|
|
## Resources
|
|
|
|
- Firmware file: `firmware-chatter2-X.X.X.xxxxxxx.bin`
|
|
- [Official build guide](https://circuitmess.com/blogs/resources/chatter-build-guide)
|
|
|