1. E

    Anyone know where I can buy a 5 bit ADC?

    Hi, Looking for a 5 bit ADC but at the moment I can only find 6 bit ones online. Anyone know where I might be able to get ahold of a 5 bit ADC? Thanks!
  2. vhiev

    [SOLVED] Digital combination locks

    so i build digital combination lock for my projects from this website : Digital Lab - Digital Combination Lock | Digital IC Projects | Electronics Textbook (allaboutcircuits.com) and i added a solenoid door lock (5v) and it doesnt work. i think the problem was the current is too low to make the...
  3. ashokraj

    SPI clock line dipping for slave 2.

    Hi, On my board I am using SPI slave devices in the following configuration. when every there is an spi communication happening between controller and slave1, everything is good. whereas, during the communication between the controller and slave2 SPI_CLK line is dipping from 2.4 to...
  4. Nikson420

    EAFC Full Automatic Battery Charger 12V Digital Display Battery Charger

    Hello Folks, as the title say I want to buy Battery Charger and found this one on aliexpress - https://aliexpress.com/e/_Ddn2rtR Price seems decent but what about qulaity? Any help is wellcome, thanks!
  5. BerserkSin

    Help Needed- Digital Clock using ICs cd4060 and cd4026

    I found a blog that shows how to build a digital clock using ICs cd4060 and cd4026. https://danyk.cz/hodiny_en.html This is the site. I have checked if my ICs are working and they are. The only output I'm getting is the every 7 segment display shows 0 and the the two decimal points blink every...
  6. T

    Which University affored affordable single course for non-student ?

    I was looking for affordable course in electrical engineering that as overall and particularly in Analog, digital circuit and HF. I did find a very good one from Standford University but it is too expensive. has anyone get into single course from his choice in University where the prices are not...
  7. N

    Multiplexing channels in Labview

    Hi there! I am working on something similar and would appreciate if you could drop the vi. Much appreciated! Moderator Edit: Thread split off from this: https://forum.allaboutcircuits.com/threads/about-function-generator-and-multiplexer.138826/
  8. B

    Ability of PLC's to communicate via 4-20mA and 0-10volts between laboratory devices and the PLC

    Hey guys, I'm studying electrical engineering technology and the Coronavirus turned my capstone project into a research paper. My assignment is on PLC's, which we have covered the basics of, but I still know little about how they operate. Here is the prompt: "Research the ability of PLC's to...
  9. C

    How to display various parameters (voltage, current and temperature) on 7-segment display every 5 seconds

    I have built an op-amp series pass voltage regulator, whose output is inputted into an analog-to-digital converter (ADC0804). The ADC's output is connected to a CoolRunner II CPLD Starter Board. This output corresponds to a value on a look-up table, which determines what value would be displayed...
  10. LALI01


    https://www.allaboutcircuits.com/technical-articles/exactly-how-schmitt-trigger-oscillators-work/ I was reading this article. What's the difference between Vt+ and Vhigh and Vt- and Vlow ?? please help me!