Description Based on the same but simple version display header here, used same TM1650 drive chip, 0.56” 7-segment display. Add four push keys on the back side the PCBs. You are capable to add both input and output interactive capability from this simple header to your project. Please considering the usablity, if you install it into a closed panel, you may not able to reach keys from outside. Arduino demo code (pressing button 1234 and display) please see in our arduino git folder.
