Small Heatsink Shipping:2-4 Weeks Reverse-voltage protection circuit

Reverse-voltage protection circuit

* Battery Charger Circuit - just plug in a USB the battery starts charging with the auto switching circuit - there\'s no extra charger needed and no digging the battery out of your project so you can charge and program at the same time over USB

A CR1220 coin cell is required to use the RTC battery-backup capabilities

Board can be powered off of USB or a 5 V to 16 V battery

It has an onboard 16MHz oscillator

Small Heatsink Shipping:2-4 Weeks Reverse-voltage protection circuitThese tiny little black anodized heat sinks are perfect for cooling off small surface mount components such as the Allegro A4983 stepper driver. **Note:** We ship these as singles **Features:** * 0. 19x0. 25x0. 30\" **Documents:** * [Datasheet](https: www. shopaavid. com Product 61565 full)