Currently browsing tag


Dual Power Supply LM350 bot

DIY Dual Power Supply LM350 Print

The print is ready and drilled. Unfortunately it has a slight mismatch of bottom and top, but its fine for my requirements ;)   When I have enough time i will start the soldering work and also work on an adequate cooling.

DIY Dual Power Supply LM350 Curcuit and PCB Layout

For most of my projects i need an external DC power supply, and because regulated power supplies are quiet expensive, i will make my own, using LM350 linear voltage regulators. Since the reference voltage of 1.25V is the same as the LM317’s, i will use the same circuit for the …

DIY Power Supply

DIY Power Supply

I currently work on a DIY Power Supply which has 2 regulated Outputs (each 1-40VDC @1A) and a 5VDC/2A fixed Output. I am thinking of adding a 12VDC output later. I decided to make it myself, because its cheaper and i can design it the way i want it to be. …

Blue Burning Laser/Laser Cutter

Finally I got the laser diode for my burning laser :) After some testing with lower currents, I turned it up a little to approximately 1/2 of the maximum power. I use my self made LM317 laser driver as power supply. Important Note: Always use safety glasses when handling with …

LM317 homemade laser driver / LM317 lasertreiber

Homemade Laser Driver with LM317

This is a simple and cheap homemade laser driver. The LM317 is capable of up to 1.5A, which makes it possible to use it for >1000mW laser diodes. Build your own homemade laser driver   Used Parts LM317 Voltage Regulator (rs-components) 1N4001 Diode (Reverse Voltage Protection) 10µF Capacitor Resistors (Value …