SparkFun DC Barrel Jack Adapter - Breadboard Compatible Connectors Hunting Flash control: 8-step power control(1/128-1/1)

Flash control: 8-step power control(1/128-1/1) step length is 0

It will work in pairs to get power from one end of an Ethernet cable to the other

but they are super handy

Arduino Bootloader

Reverse polarity protection

SparkFun DC Barrel Jack Adapter - Breadboard Compatible Connectors Hunting Flash control: 8-step power control(1/128-1/1)This DC power jack connector is just like the other one that we carry except that its terminated with breadboard friendly pins instead of wide solder terminals. These are also compatible with our DC wall supplies and have a 5. 5mm jack, with a 2. 1mm center pole diameter. Documents: Dimensional Drawing