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  1. Justin Verrall

    (NEED HELP PLEASE!) 1w Amp build

    Hey I'm wanting to try my hand at building a simple portable 1w practice amp and I'm still very much a beginner at reading schematics and even worse at working from them so can someone tell me if I'm going in the right direction please? Pm me if you want. Schematics Bread boarded
  2. Clarkdale44

    Can a pwm solar cc generate 750w solar power with only 40A current?

    Hello I don't know much about solar stuff.. I have been researching a lot lately on the topic. I stumbled upon this solar inverter on ebay http://www.ebay.com/itm/Exide-Solar-Inverter-Home-UPS-12v-850va-LCD-Display-40amps-charge-controller-/221947899040?hash=item33ad202ca0:g:0TYAAOSwnipWUcHr...
  3. J

    H-Bridge Amp for 8Ω Speaker (PWM)

    I am using fairly robust D882 and B772 transistors in my design, so I am wondering if I still need 4 damper diodes to protect the transistors as shown below? (Leaving them out saves a little on space and cost.)
  4. Clarkdale44

    Should i buy Watt Meter (aka killawatt) or regular Clamp on meter to determine the device wattage?

    Hello As the title says i need to know what should i buy? which one would give me the most accurate reading? I want to know how much power my appliances consumes, tv, washing machine etc.... Also i need to buy a new ups for my PC so just wants to know how much power my pc eats. I have a 500W...

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