Blown Fuse Alarm (CB6109E)

We found this circuit in a 1967 Electronic design. However, it can be easily implemented even today as it uses only common diodes.

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20 kHz counter with SCS (CB6614E)
We found this circuit in 1964 General Electric documentation. The circuit works with mechanical...
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...
Touch Key (CB18592E)
The relay used in this circuit must be of the sensitive type with a trigger current less than 10...