Fresh hacks every day
Nope, no microcontroller here, just a full-blown cellphone used as the brains of this little robot. The secret behind how it works is in the sounds the phone makes. The touch tones, known as DTMF, are monitored by the circuit mounted on the front half of the chassis and are responsible for driving the motors.
[Achu Wilson] built the … Read the rest
[Eduard Ros] wrote in to show off the latest version of his Arduino powered autonomous rover (translated). You may remember seeing the first version of the build back in June. It started with a remote control truck body, adding an Arduino and some ultrasonic sensors for obstacle avoidance.
The two big wheels and the pair of sensors … Read the rest
[Eduard Ros] wrote in show off his first attempt at building an autonomous rover (translated). As with many of these projects, he started with the base of a remote control toy truck. This solves so many mechanical issues, like steering, locomotion, and power source.
He just needed a way to control the vehicle. The recent LayerOne badge hacks… Read the rest
[Justin] wrote in to tell us about the rover which his CalTech team has entered in NASA’s Exploration Robo-Ops Competition. Their time to shine is later this week, but you can see some of the test footage after the break.
The operator pictured above is using a controller which is a scale model of the manipulator arm, with two … Read the rest
That black box is hiding all kinds of goodies that make this rover a hacking playground. [Andrey] built the device around a BeagleBoard, which offers the processing power and modules that he needed to make the rest of it work.
The control unit shrinks the pilot down to the rover’s size, using a cockpit that has a steering wheel … Read the rest
We never really get bored with remote-controlled rovers around here, especially when they involve reusing some old hardware as well as lasers. [Tycoon] wrote in to share his creation, which he has dubbed “Texas Ranger”.
Texas Ranger is built around an old Linksys WRT54GL router, which provides the rover’s WiFi connectivity as well as the serial interface through which … Read the rest
[Jad] recently wrote in to share a pair of projects that have been keeping him busy as of late.
The first is a sound localization system not unlike one we showed you a few weeks ago. The difference is that his system displays the sound source via a set of LEDs rather than by motion, making it far less … Read the rest
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