• External power supply
    hi I read the page described by you. but it does not say how to remove the resistor R37. Also where do I supply the external voltage. I want to drive the board using 9V battery ?? Can please anyone...
  • Power supply fo eval board ?
    Hi. I know that this thread may not correspond to this forum, but I hope some users know about this subject. What kind of light batteries I can use for Phytec KitCON-161 eval board(supply voltage: 8...
  • Keil MCB2140 board: Alternate power supply method
    Hi I am currently using the MCB2140 Board as a USB-powered device (the default). However I want to power it using some alternate method. The only documentation I found was "Remove the 0 Ohm resistor...
  • transformerlessless AC to DC 300V 1A power supply
    In these days of power control chips and switching power supplies is there any way to design a 300 volt 1 amp DC power supply without a transformer? It should run off of 110v AC, 60 cycles. It could...
  • AT89C51 Based Digital Power Supply Help
    I download the source code and some of the design files with a photo, but no design included of Proteus. So, I build it in Proteus but, I am not getting this working, Pls can anyone help what the problem...