LR44 Alkaline Battery
These LR44 button cell batteries are fairly common but it can be hard to keep them around. They fit the digital calipers, so if you use yours as much as we use ours, you may want to go ahead and pick up a spare.
The VPM2 is a replacement for the now unavailable venerable VPM. At 12mm dia x 3.4mm thick, it's smaller than the original, and has presoldered leads!
Here's a common light weight 2032 coincell battery. Great for powering tiny robots, real time clocks and LED throwies!
3.3VDC 250mA voltage regulator in a tidy TO-92 through-hole package
This "030" form factor motor replaces the old Mabuchi FF-030 we used to stock, and is still a good candidate for torquey Solarengine and small battery-powered robots.
Plain and simple AAA battery
If you want to try out PICAXE microcontrollers and have found the 28X1 to be the one for you, this kit includes what you need to get on your way.
For the most flexibility in assembling electronics, the PCBGrip Master Kit has a full complement of options.
Right Angle Female Socket Strip - 6 per Strip, gold flash surface, 0.1" spacing
5% accuracy 1/4 watt resistors to get you started with your BEAM experiments.
Synapse SNAP units also make great PC-to-network node interfaces. Here's a bundle to get you started!
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