Switch Language

index

V3/V3.1

::::info This device may have issues charging a connected battery if utilizing a USB-C to USB-C cable. It's recommended to use a USB-A to USB-C cable.

:::caution Be careful when interacting with the USB-C port. This device does not have ESD protection for the CP2102 USB to UART bridge chip. :::

::::

V3.1 differences

Firmware remains the same as V3 below. Compare schematics: V3.0 and V3.1. Key differences:

Features

Meshtastic I2C Definitions

Pin Map

HTIT-V3_PIN_MAP

Image Source: Heltec

Resources

Wireless Stick Lite V3

:::info This device may have issues charging a connected battery if utilizing a USB-C to USB-C cable. It's recommended to use a USB-A to USB-C cable. :::

Features

Meshtastic I2C Definitions

Pin Map

HTIT-WSL_V3_PIN_MAP

Image Source: Heltec

Hardware Resources

Image Source: Heltec

There are two antenna connectors. You need to connect the LoRa antenna while the WiFi antenna is optional.

Resources

Wireless Tracker v1.0

:::info This device may have issues charging a connected battery if utilizing a USB-C to USB-C cable. It's recommended to use a USB-A to USB-C cable. :::

Features

Flashing

To flash ESP32-S3 devices like the Wireless Tracker, you typically need to place them in Espressif's firmware download mode. Use the "1200bps reset" button in the web flasher to do this. If this method does not work for any reason, you can follow the manual process below.

:::warning

Do not proceed unless an antenna is connected to avoid possible damage to the device's radio.

:::

The following process will manually place the device into the Espressif Firmware Download mode:

  1. Unplug the device.
  2. Press and hold the USER button.
  3. Plug device in.
  4. After 2-3 seconds, release the USER button.

With the device now in the Espressif Firmware Download mode, you can proceed with flashing using one of the supported flashing methods. It's generally recommended to use the Web Flasher. You can select "Heltec Wireless Tracker" from the device drop-down.

Pin Map

HT-Tracker_V1 Pin Map

Image Source: Heltec

Resources

:::note

Heltec revised the Wireless Tracker schematics and released a V1.1, most devices being sold are now V1.1.

:::

Wireless Tracker v1.1

:::info This device may have issues charging a connected battery if utilizing a USB-C to USB-C cable. It's recommended to use a USB-A to USB-C cable. :::

Features

Flashing

To flash ESP32-S3 devices like the Wireless Tracker, you typically need to place them in Espressif's firmware download mode. Use the "1200bps reset" button in the web flasher to do this. If this method does not work for any reason, you can follow the manual process below.

:::warning

Do not proceed unless an antenna is connected to avoid possible damage to the device's radio.

:::

The following process will manually place the device into the Espressif Firmware Download mode:

  1. Unplug the device.
  2. Press and hold the USER button.
  3. Plug device in.
  4. After 2-3 seconds, release the USER button.

With the device now in the Espressif Firmware Download mode, you can proceed with flashing using one of the supported flashing methods. It's generally recommended to use the Web Flasher. You can select "Heltec Wireless Tracker" from the device drop-down.

Meshtastic I2C Definitions

Pin Map

HT-Tracker_V1 Pin Map

Image Source: Heltec

Resources

Wireless Paper V1.0

:::info The Wireless Paper V1.0 is listed as "Wireless Paper V1.0" in the firmware files and on the web flasher.

This device may have issues charging a connected battery if utilizing a USB-C to USB-C cable. It's recommended to use a USB-A to USB-C cable. :::

Features

Resources

Wireless Paper V1.1

:::info The Wireless Paper V1.1 is listed as "Wireless Paper" in the firmware files and on the web flasher.

This device may have issues charging a connected battery if utilizing a USB-C to USB-C cable. It's recommended to use a USB-A to USB-C cable. :::

Features

Resources