This is a very simple touch light switch circuit that uses the 4011 IC, one transistor and a relay. The C1 capacitor stores the switching state at a certain time and is charged or discharged according ...
This switching regulator is highly efficient and can be used for AC and DC and requires no reactive L/C components. The regulator can provide a power factor very close to 1. Wow the engineering world ...
When we moved into our new home — a major fixer-upper — I thought it wasn’t cozy because of the arctic-blue painted walls (everywhere) and swirly brown 1970s carpets. And sure, the décor wasn’t ...
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