I am trying to make a simple switching with BD140 PNP. The LED is not glowing. plz tell me wats the problem. attached is the circuit image
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Did you connect it the way i showed you? Make sure the LED anode is connected to the collector and the cathode to the 0v rail. On one side of the led is a flat spot which mark the cathode, the other side is the anode.I bought new LED , New BD140 and tried the same, still not working..
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