Coin cell batteries (3V) such the CR2032 and CR2016 are thin and compact, making them an ideal way to power paper circuit projects. Back in 2016 our founder and CEO, Jie Qi, curated 5 Ways to Make a Paper Battery Holder. While that information remains useful, and may have already become an established part of your […]
Christmas card with removable battery cover door
Hello friends, it’s Wei Wei here, today I’m back with a Christmas card with removable battery cover door! That means you can replace a new battery. Here is my card: