1. DementiumD

    ECG with DRL circuit help

    Hey, I'm Daniel and new in the forum! I'm trying to build a circuit to preform ECG with DRL for a school project. I'm having problems with amplification and simulation. In the circuit I'm using the Wilson Central (Right Arm + Left Arm + Left Leg), one high pass filter (0.5 Hz), one low pass...
  2. pravardhan

    LM317 as LED driver with two constant output current selection

    Hi All, I wanted to have the LM317 as LED driver for the DRL (Daytime Running Lights) in my car. I want the DRL current to be 200mA and have chosen 6.2 ohms. Now I want the DRL current to be 50mA when I switch on the Fog lights, hence I have chosen 25 ohms (if this is non-standard then I will...
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