or gate

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  1. R

    ⚡ **How to Build a Simple OR Logic Gate Using the 555 Timer IC**

    ⚡ Turn the classic 555 timer into an OR logic gate (or should be a NAND Gate) using just a few components! Ideal for quick prototyping, learning, or DIY electronics projects. Take a look at the link bellow to better understand what exactly is this circuit...
  2. shahdsaad

    Issue with 2-Digit BCD Adder-Subtractor Circuit Using 74LS83

    This is my design for a 2-digit adder-subtractor BCD circuit. The design performs well with addition, but for subtraction, it calculates 33 - 73 = 60, which is incorrect. Can anyone help me figure out the issue? I’ve used a 74LS83 IC along with a bunch of XOR gates, AND gates, NOT gates, and a...
  3. Renlid

    Vary LED brightness based on sound level

    Hi there! New here, wondering about some stuff for fun projects at home (my electronics classes go back 18 years ago, please forgive me if I am not very proficient). A friend of mine made a home-project: playing a sound on his computer, and a microphone detects the sound, and generates a...
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