SparkFun DC Barrel Jack Adapter - Female Power Supplies Electronics They are ¼" long and

They are ¼" long and come in packs of ten

3V or 5V (both power output and IO level)

The sensor outputs both temperature and pressure readings on the SPI bus

Arduino Pro

Then snap the body of the hood on the lens facing OUT when you want to use the hood OR facing IN when you want to store the hood in a bag with no wasted space

SparkFun DC Barrel Jack Adapter - Female Power Supplies Electronics They are ¼" long andThis adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5. 5x2. 1mm, center positive female barrel jack. If you have a power supply with a barrel jack and want to plug it into a breadboard, this might be the simple solution.