circuit diagram

  1. G

    Need help with fixing my circuit design.

    Hi, I am a student and have to design a synchronous counter from 1010 to 0011. For this I am using IC 74193 counter. I attached the picture of my circuit. The logic I followed was that I set counter to 1010 and then counter reaches 0011 it clears it. The issue is that counter doesn't work if CL...
  2. J

    A circuit to block back-feeding to another line

    Hello, I have 3 Motion Sensors(Infrared Sensors) that work on 220V. I want to install these 3 sensors in 3 rooms and connect a single siren because thieves have recently cut the window bar and got inside my house. The Problem. If I connect each of them and connect a single siren, if one gets...
  3. L

    I'm looking for smallest and cheapest transmiter and receiver for Remote control toys. Can you help me with BOM?

    I'm looking for smallest and cheapest transmiter and receiver for Remote control toys. Can you help me with BOM and circuit diagram? I have gone through some articles which suggests for readymade circuit available on Amazon. But I want to build it without using any readymade circuit.
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