Using the Toner-Transfer and Etch method for making prototype circuit boards is fairly common. One downside to this process is that any holes still need to be drilled. [Giorgos] hand drills boards all ...
0.378 (L) x 0.397 (W) in. and stand 0.218 in. above the pc board. The surface-mount switches are rated to 0.4 VA per contact at 20 V and feature a contact resistance of 20 mW.
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