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Grove - 4-Digit Display $7.25 4 digit displays are usually a 12 pin module. In this Grove gadget, we used a TM1637 to scale down the controlling pins into 2 Grove pins. Wireless USB Adapter $16.50 USB WiFi (802.11b/g/n) Module: For Raspberry Pi and more. Grove - Screw Terminal $3.50 Grove - Screw Terminal with […]

Did you see the lunar eclipse on Monday night? I wish they had it rescheduled for Sunday afternoon, so all of us night-owls-who-have-to-get-up-early could watch that. But noooOOoOO. But at least the internet will save us. At least from information deficit. Laser Cut Helical Springs I wonder if zigzag helical springs can still travel down […]

We've tweaked the documentation for the BEP-MSE1 "Miller Solarengine" to correct a minor error (if you wanted to use the MVSE modification, this is the correct on), and added some circuit specs. Application notes for all the modules are in the works- stay tuned!

Nuts and Volts author Robert Nansel has reviewed our SW2 kit and has written up an excellent review. You can get a sample magazine from the Nuts and Volts website or search their distributers page for where you can get the magazine. Check out the add on page 53 for our add, as well as […]