Hello I am new to electronics. This is the circuit. https://www.engineersgarage.com/tutorial-7-dc-motor-speed-control-using-attiny85/
And this is the second one:
In my opinion the second image is way more simpler, and doesn't require programming the microcontroller, also so less compontents...
Hi... I'm need to put a wireless charging receiver into a old device... the problem is that the device is made complete of metal, and as far as i know wireless charging doesn't work through metal. I don't have knowledge of wireless charging so if exist a typed of [Wireless charging board/Module]...
I started the basics of PCB and doing schematics around 6 weeks ago in my Computer Engineering Drafting and Design class. We used EasyEDA online tool to create the SCH and PCB for our assignments/activities. Our project now is to combine the circuits that we have made before into one system so...
Hello there Friends,
We are currently seeing some issues with a LED driver circuit. I am not sure about root cause because there are too many variables. During operation the LEDs are being dimmed or not light at all (After 2-3 months in operation ). Attached is the portion of the driver circuit...
I am trying to generate a 27MHz carrier signal to transmit it through a loop antenna, I referred many circuits couldn't able to find the one I need. can anyone guide me on generating it using a few simple transistors or using an oscillator chip with a 3v cell battery? The thing is my design is...
Hello,
My name is Daniela, I'm student and I need help to anyone who can help me :D
Project goal: Control the temperature inside a closed chamber
I need help to connect the all components and I don't know how because I'm new in this .
I don't know how to amplify and to maintain the current...
I am just a hobbyist recently I build a basic model which resembles something like this circuit to stop water overflowing problem & it seem to solve the problem but i need to cut the power when i hear the buzzer as it keeps on buzzing until the water level doesn't goes down. How should i solve...
Hi there i am in the search of complete circuit diagram and PCB design of electric zapper for rodent control
I hope you someone is here to help me out
Regards
Haroon