• How to build infrared detector...
    Can you help me? I want to use infrared as an electrical circuit can feel the presence of man in space 40 to 200 m. Water is not impertont but on port rxd.
  • Suggestions need on a lightning detector
    Gurus, I'm working on a homemade weather station and I would like to detect lightning. Does anyone have a suggestion for a cheap and easy solution? This is a learning project for me so I don't want...
  • Brown Out Detector Interrupt
    Hi there, If I need to generate an interrupt when low voltage level has been detected on a P89LPC932, what interrupt number should I use? How should I specify that ISR is the one for Brown Out detection...
  • C932 High Sleep Power Drain???
    Using a C932. In sleep mode we ought to be at about 2uA - instead we sit at 25uA. This is with the part with I/O lines in the air, external xtal, VCC and ground. We have done everything in the book, but...
  • Low-Power high-pin-count w/ USB
    Hello again, I need an 8051 variant which can handle USB2.0 (Full or High-Speed) and has a full 16-bit external address space (w/ data-bus of course): I shall be bank-switching for a 2Mx8 storage...