Current tag version: 319

Online Update

Offline Update with the Programmer

Install Esptool

Find all the informations to install esptool in the link below


Install the Driver

Download in the link below the USB driver for your platform

USB to UART Bridge VCP Drivers - Silicon Labs

Find your serial port

Connect the Programmer to you Tag, turn the Tag ON, and connect programmer to your PC / MAC.


In windows you can see the device appear in the device manager (it always starts with "COM" followed by a number).