It can be a replacement for digispark Arduino module.
Noted: The package did not contain the developed chip, you need to prepare the Attiny Chip and insert it into the IC socket on the board.
Description
Package Content: 2pcs x for USB Type C Pluggable Development Board.... Attiny85 Kernel Program: github.com/ArminJo/micronucleus-firmware You need to install this kernel for the ATTINY85 chip before you can use the USB downloader. It is recommended to download using ARDUINOISP...... Installation Tips: 1. Kernel bootloader must be installed for blank ATTiny85 chips. 2. Then it must be inserted on the blue board, please pay attention to the direction of the chip. 3. To plug in the correct USB cable for the blue board, a new device must be found on the computer, but it will disappear automatically.