nodemcu expansion board 4 channel relay mount
thingiverse
standoffs are sized for M3 tap or would likely work fine with m3 screws.
Download Model from thingiverse
With this file you will be able to print nodemcu expansion board 4 channel relay mount with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on nodemcu expansion board 4 channel relay mount.