Specials at Evil Mad Scientist

Refurbished items

Returned, used, blemished, open box or demo units that have been refurbished and fully retested to original specifications. Stock is limited to units on hand.

Garage Sale

Neat-o! You've found the Evil Mad Scientist Garage Sale. Below this point, you can sometimes find cheap, interesting, broken, surplus, inappropriate, and/or weird things for sale.

Please read these important policies about the Garage Sale:

  1. Garage sale items are (usually) limited to stock on hand.
  2. Items listed as "surplus" or "demo" are sold as-is, and all sales are final on those items

36 V Power Supply - on clearance

Our 36 V, 700 mA power supplies are on clearance, discounted from $19 to $6. We've used these for driving long chains of discrete LEDs.

Other Stuff


2N3904 NPN transistors. Bulk or on tape.

Price: $0.19 ea