electronics

Hi everyone, I am planning my first diy lamp. I already have one led fixture but i always wanted to do one myself. I wanted to check some doubts regarding the electronics. I don't know how i could limit the current because the leds i am looking have different max current, some 1.5A and others...

In short, I am looking to use a 1link cable from my Apex to run 24V to an Arduino and stepper motor controller (Sparkfun EasyDriver). Power itself shouldn't be an issue as the EasyDriver board can source up to 30 volts and will step that down to power the stepper motor as well as the 5v needed...

Hi folks. Looking at trying to control an array of 6 xr15 knockoffs, actual brand name was 'intelligent ocean r80. Hoping to do so via pwm from my brand new robotank boards, (printing cases as I type!) I'm from a software background, tiny bit of electronics knowledge but a lot to learn...

Hello. I’m having an issue and I have no idea what might be causing it. So when I put my finger into the water, I don’t feel anything. However, when I put the tip of my finger that’s slightly cut, I can feel some electricity passing through it. When I wear my flip flops and dip my finger back...

CAUTION- I am not liable for any damages to your person or property. This is offered as a possible solution to an electrical problem, and with this territory comes risk to your health and property that may not be directly mentioned. You should only attempt this repair if you are sure of your own...

I somehow misplaced the power supply for my Radion XR30 while moving. The OEM replacement parts seem unnecessarily expensive...