Cool Electronic projects blog http://www.coolcircuit.com/gadgets Cool and latest electronic project, circuits and microcontroller projects blog Sun, 31 Jan 2010 08:10:32 +0000 http://backend.userland.com/rss092 en 555 Based Feeding Timer http://www.coolcircuit.com/gadgets/2010/01/31/555-based-feeding-timer/ Polysensor http://www.coolcircuit.com/gadgets/2010/01/18/polysensor/ A Pulse Width Modulation Control http://www.coolcircuit.com/gadgets/2010/01/09/a-pulse-width-modulation-control/ Power MOSFET RGB LED driver http://www.coolcircuit.com/gadgets/2010/01/09/power-mosfet-rgb-led-driver/ Kicad http://www.coolcircuit.com/gadgets/2009/12/28/kicad/ 20A Unipolar stepper driver http://www.coolcircuit.com/gadgets/2009/12/27/20a-unipolar-stepper-driver/ Making your own PCB’s at Home http://www.coolcircuit.com/gadgets/2009/12/23/making-your-own-pcbs-at-home/ Low-Cost RS232 Multiplexer http://www.coolcircuit.com/gadgets/2009/12/16/low-cost-rs232-multiplexer/ STAMP II 3x STEPPER MOTOR RS-232 DRIVER http://www.coolcircuit.com/gadgets/2009/12/16/stamp-ii-3x-stepper-motor-rs-232-driver/ RF Communication Between BASIC Stamps Using 2-meter HT Radios http://www.coolcircuit.com/gadgets/2009/12/16/rf-communication-between-basic-stamps-using-2-meter-ht-radios/