The TL783 is a variable three lead mains voltage regulator chip having an output range of 1.25 V to 125 V and a DMOS output transistor which is able to handle in excess of 700 mA current. High Voltage Specification It is specifically configured internally for working with high-voltage applications where ordinary bipolar voltage regulators […]
Newly Updated Circuit Projects:
Pump Motor Timer Circuit Diagram with Dry Run Protection
In this post I have explained about a circuit which can be used to monitor and detect the presence of municipal water supply by operating a pump motor through an intermittent ON/OFF timer. The timer keeps the pump motor ON for 15 seconds, if water is not detected, the pump is switched OFF for the […]
Simple Remote Controlled Curtain Open/Close Circuit Diagram
In this article I will explain a simple curtain controller circuit designed by me which can be used to control the opening and closing of a curtain through a remote control. Overview Referring to the circuit diagram in your screen, we can see there are just two relays employed for implementing a remote controlled opening […]
Furnace Vent Controller Circuit Diagram
This interesting furnace vent controller circuit was designed and submitted to me for publication by a dedicated reader of this blog and a keen electronic enthusiast Mr. August Peterson. I am extremely thankful to Mr. August for his very useful and generous contribution to this site. Here’s the email sent by him, with the technical […]
1 to 10 minutes Timer Circuit Diagram
The post narrates a simple yet highly accurate adjustable 1 to 10 minute timer circuit with display. The idea was requested by one of the dedicated readers of this blog. Technical Specifications I am trying to build a circuit to help me with giving speeches. I have a bunch of parts already and I would […]
1 Hz to 1 MHz Frequency Reference Generator Circuit Diagram
This circuit is an universal frequency generator which you can use in numerous frequency and time period testing applications. It is primarily well suited for a gate pulse generator in frequency counters. The circuit is capable of generating an entire range of reference frequencies such as 1 Hz, 5 Hz, 10 Hz, 50 Hz, 100 […]