Introduction: Diy IR Tester Keychain
the simple way to build an ir tester
Step 1: Schematic Diagram
all you need is a led, an ir receiver and a coin battery
the range is only 5-15cm (good to test a remote control)
Step 2: Print the .stl Files
print the .stl files or find a nice box for your project
Step 3: Make the Connections
make the connections and glue the led and the receiver with instant glue
Step 4: End
glue the two printed parts and add a coin battery
i use CR 2025
Thanks..!