op-amp

I am designing an electric veichle controller for a University project. The motor driver receives an analog signal (0-12V) to adjust the speed. I use a digipot followed by a buffer to convert the digital signal of the controller to ana analog one. Now I need some way to enable an disable each...

What I'm trying to do? I'm making a constant-current source based off an existing design. The specs of the existing design are: Existing Design The design is of a constant current source capable of outputting 4-20mA output current from an input voltage of 0-2V. The Problem The problem is...

Hi Guys, hope all's well. I was designing a dark-sensitive LED blinking circuit for myself and need some help. Following is all about my little project. Scenario I want to switch on my LED bank automatically in the dark. There are 150 LEDS in my LED bank. The attachment includes my design...

Hello, I'm currently working on a project that requires the use of an MCP475 DAC. Currently, it is being powered from the 3.3V source from on a Raspberry Pi and hence works in the range of 0V to 3.3V. I need it to work in the range of -3.3V to +3.3V. By reading the spec sheets I found that I...