Versatile power supply (T1667E)

This power supply for tubes appeared in Radio Electronics magazine in October 1958. It uses a voltage regulating valve controlling a power pentode.

Touch Activated Motor II (CB1548E)
The simple touch of the fingers on a sensor causes this circuit to drive a motor that goes into...
Audio Controlled Lamp (CB5988E)
This circuit is better than the previous one in that the control is isolated by a transformer. The...
Silicon Labs' Low-Power Plug-and-Play WGM110 Wi-Fi Module for IoT Applications
March 21, 2016 - Mouser Electronics, Inc. is now stocking the WGM110 Wizard Gecko Wi-Fi module...