@[email protected] to Digital Art • 3 months agoI was looking up how battery free pens work and found this.lemmy.dbzer0.comimagemessage-square10fedilinkarrow-up1185arrow-down13file-text
arrow-up1182arrow-down1imageI was looking up how battery free pens work and found this.lemmy.dbzer0.com@[email protected] to Digital Art • 3 months agomessage-square10fedilinkfile-text
minus-square@dustyDatalink7•3 months agoThey often have a small capacitor that feeds them and acts as a tiny, couple of minutes long, battery.
They often have a small capacitor that feeds them and acts as a tiny, couple of minutes long, battery.