#1 Phillips Screwdriver

Software Defined Radio Transceiver

Software Defined Radio Transceiver

This is an amateur radio transceiver that operates on the medium or short wave bands. It is a software defined radio, meaning that it uses a computer to control the radio, to demodulate the signals received, and to modulate the signal transmitted. The computer control and signals in and out go through the USB connection, […]

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Playful Puppy Robot

Playful Puppy Robot

[youtube http://www.youtube.com/watch?v=R0CNiFYJC5Y?wmode=opaque&w=560&h=315] This guide will show you how to build a playful puppy robot that can be programmed with the Arduino IDE. Sample code is provided that will let you control the robot with simple hand gestures to perform tricks such as shaking hands and walking on his back legs. The robot is relatively simple […]

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“Chopsticks” the Spider Robot

“Chopsticks” the Spider Robot

  Multi-limbed robots such as hexapods can be very complex and expensive. This is a relatively cheap and simple 8-legged robot made with chopsticks, Polymorph and an Arduino-compatible controller. Most of the servos cost under $8 if you shop around. I have seen the 12Kg/cm servos for as little as $13 at HobbyKing. The construction […]

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