The 'Glow' circuit assembly
Assemble a simple, pre-made circuit with light that you can incorporate into your 3D designs.
4. Add the coin cell battery
Pick up your coincell CR2032 battery, and align the positive side
(labelled "+") with the “+” indicator on the printed holder. Once
inserted, the battery interacts with the two small grooves to create
spaces just the right side for the leads of an LED, sandwiching them