These LED augmentations can help you with your cyberpunk costume or other design that requires glowing eyes. this is a super cheap, simple circuit comprised of a battery and LEDs. You will need patience and a steady hand, however.
Make sure your soldering iron has a fine tip and use SMD LEDs in size 1206. This size has about a 1mm distance between the terminal foot and the top of the acrylic cap, allowing a 1mm enamel wire to sit in that gap very comfortably.
Make a robot friend with Adafruit’s CRICKIT – A Creative Robotics & Interactive Construction Kit. It’s an add-on to our popular Circuit Playground Express, FEATHER and other platforms to make and program robots with CircuitPython, MakeCode, and Arduino. Start controlling motors, servos, solenoids. You also get signal pins, capacitive touch sensors, a NeoPixel driver and amplified speaker output. It complements & extends your boards so you can still use all the goodies on the microcontroller, now you have a robotics playground as well.