Coin Cell Breakout w/ On-Off Switch
- Adafruit ADA1867, 12mm Coin Cell Breakout w/ On-Off Switch This simple but highly effective breakout board has a CR1220 coin cell battery holder soldered on, an on/off switch & 0.1" pitch breakout pins for easy connecting. It's great for powering very low-current projects, or adding a battery backup circuit to a real-time-clock or similar. There are two ground pins, one 'switched' power pin, & one pin that is always on. It comes with one fully assembled & tested breakout plus a small stick of 0.1" header, so you can solder it on & plug into a breadboard. Also available without a switch.25mm x 23mm x 1.5mm / 1" x 0.9" x 0.06" Mounting hole distance: 18mm x 16mm / 0.7" x 0.6" Weight: 2g Adafruit ADA1867 12mm Coin Cell Breakout w/ On-Off Switch