hardware Archive

  • Raspberry Pi Beta Board

    Hello world 2012 + Raspberry Pi

    Hi everyone! First of all, sorry for the hiatus during the summer and last part of 2011. I moved out of Canada, so it’s been a little hectic. Although I’m not a direct member of Colonel By anymore, I’ll still continue to update the blog...

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  • Xbee Pro & PCB

    Wireless communication with XBee

    XBee is a brand of small (about 3cm2), low power radio frequency transceiver boards manufactured by Digi. The modules are great for adding easy radio control in a project because the advanced protocols can be setup easily and are very robust. They range in price...

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  • Battery charger + batteries

    A practicle guide to rechargeable batteries

    While ordering supplies for the club’s upcoming robot project, I planned how the chassis, sensors, and electronics would go into it. But I had no idea about power. I knew I wanted the robot to be portable, but the vast array of different types of...

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  • Latching relay closeup

    Controlling different voltage circuits with the Arduino

    The Arduino provides 5 volts and supplies a maximum of 40mA of current from each pin (it also has one 3.3 volt pin that can supply 50mA of current); this is great if you want to power something like an small LED or a mini...

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Site last updated February 4, 2012 @ 3:42 pm