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  1. M

    Need Help Improving Brightness in Multiplexed 7 Segments (6 Digits)

    Hi guys! I am currently making huge 7 segment displays for our project. I am using 2 led strips for each segment. This is an outdoor project so I think I am gonna change the segments with multiple super bright LEDs. There is one problem guys the digits seem to be very dim when I try to switch it...
  2. M

    Need Help in mosfet switching strobed LEDs

    I have a bunch of High Power LEDs that are being strobed. I need to switch them using Mosfets. Well, I really have a little idea in using Mosfet that is why I carelessly only bought N-Channel Mosfets for switching them. This is how the circuit looks like: But it turns out that it does not...
  3. M

    Need Help in SCR/TRIAC Project

    Hi! I was wondering how should I isolate my low power components from my SCR/TRIAC which controls high powered loads. We currently have a project which entails controlling high power loads using Triacs/SCRs; however, I am not sure on how do I isolate the microcontroller (which we should use in...
  4. M

    Traffic Lights Circuit Help

    We were ask to build a 1 input - 3 output traffic light system (green, orange & red) using only Decoders, Encoders, Multiplexers, Comparators & Adders. The input for the traffic lights will be done manually.The traffic lights turn green at logic 0 and there are two outputs at logic 1. First...
  5. M

    Help with circuit

    Hi Guys! I am trying to build a sensor such as this one: I tried to simulate it in Multisim, but why is the voltage level in the indicator very small? It doesn't vary with the potentiometer. I substituted the photocell with a potentiometer. By the way, is the opamp package correct? Can...
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