IONA-US

This is an open source firmware project to develop a JVS I/O withj CH559 microcontroller. The official board, MP07-IONA-US; Designed By Mellow PCB, is sold around the world with this firmware, and it helps motivating the author to buy it through official distributors.

Important Notice

Today, the author find cloned boards were sold. It is permitted as long as you follow the LICENSE, and I don't want to ban such activities. But if sellers respect the original project, please consider to support the project via the GitHub Sponsors.

Build/Test Status

• chlib
• jvsio

Support

• Support Site in English
  • Distributor Information
  • Firmware Update
• サポートページ（日本語）
  • 販売店
  • ファーム更新
• Bug Report (English or Japanese)