The post explains a porch light circuit with programmable timer controller which enables the connected LEDs to light up or shut off after some delay, as preferred by the user, […]
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Industrial Tank water fill/drain controller Circuit
The post presents an industrial water level controller with drain timer circuit. The idea was requested by Mr. Lanfrank. Technical Specifications I saw your blog and was impressed by your […]
Switching OFF Lights in a Periodic Sequence
The post explains a circuit that will switch off a group of lamps in sequence with a predetermined delay rate, as set by the user through a built in pot. […]
Simple Water Heater Alarm Circuit
The post explains a simple water heater alarm circuit which may be used as a safety device for getting indications regarding the switched position of a water heater or a […]
Digital Clock Activated Water Level Controller Circuit
An automatic clock time triggered water level controller circuit which responds to a real time clock input is discussed in the following article. The design also includes a water detection […]
2 Useful Energy Saver Solder Iron Station Circuits
In this post we learn how to build a energy efficient soldering iron station circuit for achieving maximum power saving from the unit, by ensuring that it is automatically switched […]