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2x AA Batteries
the cover will force the switch arm back into the lower position - a safety mechanism so you can quickly hit the cover down and deactivate the switch
The device includes an on-chip Hall voltage generator for magnetic sensing
Knobs are a great way to finish off your project and make it easier to adjust the level of your death ray
and usually overlooked by beginners and amateur photographers
SparkFun Breadboard - Mini Modular (Red) Boards Antennas - Single Band Chip 2x AA BatteriesThis red Mini Breadboard is a great way to prototype your small projects! With 170 tie points theres just enough room to build and test simple circuits; Theyre also great for breaking out DIP package ICs to jumper wires! If you run out of room, no worries, these mini breadboards can be snapped together to form larger stretches of board. It has a peel and stick adhesive backing as well as two mounting holes for M2 screws so you can anchor it down.
US$ 49.00
US$ 158.00
US$ 32.00