Digital Lab Power Supply Schematic

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.

Digital lab power supply schematic.

Variable power supply circuit circuit diagram. 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. Variable power supply with digital control working. Timer ic ne555 ic1 is wired as an astable multivibrator.

Build your own variable lab bench power supply. 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. A lot of 6v supply diagrams. Variable power supply with digital control.

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. Simple dc regulators 12v 15v 30v. It generates clock pulses when switch s2 is pressed. 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.

I already have several lab power supplies all of them made by myself. The performance is quite good in compa. Many ideas of 12v and 5v dual power supply circuit diagram at 3a max. Digital dc regulator if you are looking for 5v dc power supply for the digital.

5v power supplies digital power supplies. 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. Digital control for laboratory power supply using arduino. The latest shown here in action was almost perfect two channels 1 2 30v 3a but there wasn t current limiting.

The output of ic1 is connected via an rc network to the clock input of counter ic cd4017 ic2. That s why i was searching for suitable schematic to build. 1 5v 3v adapter usb to 1 5v or 3v converter circuit small uninterruptible ups. 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.