» Prototyping » Batteries » Battery Holders
This is a 9V battery pack with on/off switch and a 2.1mm barrel plug, you get both parts and will have to solder them together. Use this to battery-power your Arduino (or other electronic projects).
Detailed assembly instructions are here.
Need a gear motor and wheel? Get this convenient package, and save! Complete with a GM2/3/8/9/17 gear motor, a wheel with a molded-on tire, and mounting screw.
Standard 9V battery connector.
This 70-piece flexible wire jumper kit is sure to replace your old-style solid-wire jumpers. These are more flexible, robust, and easy to use!
The Arduino Uno is the all-new replacement for the favourite and popular Arduino Duemilanove. Now shipping R3!
This unit is great for wiring up 3 AA batteries in series.
For those of you building smaller devices, you may appreciate a holder for a pair of AAA batteries.
Originally designed for control of HVAC vanes and similar low-demand equipment, these stepper-motor gearboxes have lots of hacking potential. This is the lower torque / higher speed 16:1.
Memory cards for accessories needing SD card storage.
5% accuracy 1/4 watt resistor, just what you need for your resisting needs!
Need to measure fluid levels? This eTape sensor is a solid state, continuous fluid level sensor ideal for non-nasty environments (but including water).
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Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Please visit www.P65Warnings.ca.gov for more information. This item was manufactured prior to August 31, 2018.