This 3D printed case is specifically designed to accommodate the Yunshan HW-622 single channel relay module with a built-in ESP-12F Wi-Fi microcontroller. The case is comprised of two main parts and optional DIN rail holders, which can be easily assembled using standard flat-head screws. This versatile case offers multiple installation options, such as mounting on a DIN rail, direct attachment with screws, or securing with zip-ties.

Recommended material: ABS, ASA.

Download firmware and learn more how to use: https://unicontrol.ayatec.eu/welcome

Learn more about the board: https://ayatec.eu/introducing-relay-module-hw-622/