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  1. M

    need help to control this

    I want to use pwm from an arduino to control this http://uk.farnell.com/jsp/search/productdetail.jsp?SKU=1936419 It is a solid state relay with proportional control and needs 2-10v to operate. I need a circuit design to convert the 0-5v pwm to 2-10v analogue. I have tried using a transistor...
  2. M

    bridge rectifier help

    I have just completed a bridge rectifier which I want to use to power my arduino from a 9v ac power supply. I have fitted a 6800uf 10v capacitor across the pos and neg. when testing it I found that I have 19v dc across the pos and neg. any ideas to what I have done wrong. I have not tried it...
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