powersupply

  1. Kadav

    controling Arduino output voltage using a power supply

    Hello i am new to programing and especially Arduino i am looking for some help I am currently working on a project where i need to drive an outuput voltage of 12v to a heater, but i want to use a power supply .. that i can manually change the values of the output I also have in my mind an...
  2. Gemmy101

    ATX power Supply - Broken Zener Diode

    Hey All, I have old ATX PS and I am trying to fix it and then will convert it to bench PS. after checking the PS, I found a broken Zener (or exploded) next to a broken resistor. I can guess the resistor value as it is not completely damaged, but the Zener is coming our in pieces and need your...
  3. Joaquin Valdez 1

    HFSSTC-Increase Current in primary/Reducing Switching Loss

    Hello, I have been build this high frequency solid state tesla coil for a while now and have tried quite a few different circuit with some success but ultimately I have fry a lot mosfets in the process, so far this is best I have came up with but I have a few problems. 1. Alot of these hfsstc...
  4. Dan Aronin

    Where to find SMALL POWER TRANSFORMERS?

    Hi all, I'm interested in assembling a circuit that will be capable of CONVERTING 220V TO 5V@2A 10W (Edit: AC TO DC) The issue is that I manage to find only PRICEY, HUGE TRANSFORMERS like this. I know there are small circuit (example) available for purchase, so my question is - Where can I...
  5. S

    Charging & Powering Board Design

    Hi, I am looking to power a attiny85 with a LiPo battery, but I would like to have the ability to charge it through the same board. At the moment I am looking at the TP4056 with the FS312F-G and FS8250. So my question is, can I connect the battery to the attiny85 through the battery charger...
  6. zeeshandhillon

    Designing power bank circuit with BQ24195.

    I want to design a power bank control board for a single-cell lipo battery. The IC I have selected is BQ24195 by texas instruments. I think it is perfect for what I need. It comes with charge control, boost, voltage protection, I2C control, and many other features. But I have some doubts about...
  7. N

    From AC cheapest way to powerup electronics like our esp

    what else? Ways to Power a Project Here are some of the most common methods used for powering a project: USB Power Variable DC Benchtop Power Supply AC to DC Wall Adapter (like a computer or laptop would use) Batteries
  8. Lambo Av

    L293N enquiries for Robots with PIC microcontroller

    Hi, all. I have downloaded an L293N motor driver for my Proteus 8 Professional from the following website. https://www.theengineeringprojects.com/2017/09/l298-motor-driver-library-proteus.html Based on the video link in the website (or you can click here: ), it says that the 2 pins (unknown to...
  9. Lambo Av

    Obstacle Avoiding Robot using PIC Microcontroller

    Hi all, I am currently working on this robot with the guidance of the following website "https://circuitdigest.com/microcontroller-projects/obstacle-avoiding-robot-using-pic16f877a" The circuit diagram is as shown below The L293D motor driver module he used looks something like this while...
  10. AhmedKhouaja

    Chinese power supply troubleshooting : probleme to ask for...

    Hi guys ! First i'm new member here with you , and i hope you guys help me with my power supply kit problem: Like most people , i have problem with this kit wich is i get -0.45v when the V and A pot are fully anti-clockwise and i get only 5.1V when the V and A are fully clockwise. I checked...
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