Digital Lab Power Supply Schematic

I already have several lab power supplies all of them made by myself.

Digital lab power supply schematic.

Using digital system for control and display enable us to conveniently operate this circuit. Variable power supply with digital control. It generates clock pulses when switch s2 is pressed. Many ideas of 12v and 5v dual power supply circuit diagram at 3a max.

The output of ic1 is connected via an rc network to the clock input of counter ic cd4017 ic2. Timer ic ne555 ic1 is wired as an astable multivibrator. In this instructable i will show you how to make a variable lab bench power supply with a limited budget it is a great diy project for beginners as well as any one interested in electronics. Dc power supply variable 0 30 v 0 10 a lw k3010d adjustable switching regulated power supply digital with alligator leads us power cord used for spectrophotometer and lab equipment repair 4 5 out of 5 stars 168 ratings 20 answered questions list price.

Variable power supply circuit circuit diagram. 5v power supplies digital power supplies. Build your own variable lab bench power supply. As the presets vr1 to vr9 are connected at the collectors of transistors t2 to t10 different output resistances appear between the adjustable terminal and.

The latest shown here in action was almost perfect two channels 1 2 30v 3a but there wasn t current limiting. Digital control for laboratory power supply using arduino. Digital dc regulator if you are looking for 5v dc power supply for the digital. When switch s2 has pressed the output of the ic1 goes high and further the outputs of ic2 goes high one after the other as a ring counter.

In this project i will show you how i combined a ltc3780 which is a powerful 130w step up step down converter with a 12v 5a power supply to create an adjustable lab bench power supply 0 8v 29 4v 0 3a 6a. I had just built today this power supply using the schematic and pcb lay out and everything works fine maybe you have a bad solder or some parts are wrongly placed recheck all connections and all soldered points it should looks shiny if properly soldered. The performance is quite good in compa. Dc power supply variable 30v 10a 4 digital led display precision adjustable switching regulated multifunctional power supply digital with usb interface disply with output power lab grade 4 4 out of 5 stars 110.

Simple dc regulators 12v 15v 30v. 1 5v 3v adapter usb to 1 5v or 3v converter circuit small uninterruptible ups. A bench power supply is an extremely handy bit of kit to have around for electronics hobbyists but they can be expensive when purchased from the market. We will be presenting the micro controller system the schematic diagram the program code for this power supply in the second part of this article.