resistors
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Electronic Keys & Locks
One Transistor Electronic Code Lock System
This article presents a Electronic code door lock system using a transistor code lock circuit. We’ve already shown how an…
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Power Supplies
1.30VOLT 0.15.6AMPER SMPS PART-1 SCHEMATIC CIRCUIT DIAGRAM
I stopped for a long time 🙂 My Project Project Project is not implemented in the first tests I did…
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Calculator & Measurement
2-Wire Interface Schematic Circuit Diagram
Klaus Jürgen Thiesler’s ‘2-Wire Interface’ was published in Elektor magazine in the form of both basic [1] and low-current [2]…
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LCD-LED Display
Acoustic Spirit Level / Tilt Alarm Schematic Circuit Diagram
The original purpose of this device was to assist in leveling large garden tables on uneven ground. Away from buildings,…
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Power Supplies
Compact Switching Step-Down Converter Schematic Circuit Diagram
Switch-mode power supplies are used in electronic circuits to increase (step up) or reduce (step-down) voltage levels in the most…
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