Finally I have some time to continue with this investigation and great improvements were achieved with the circuit provided by Ant: http://www.rev-ed.co.uk/docs/picaxe_sound.pdf First here are the photos deleted by mistake from flickr: Headsets microphones Electrec thingey inside. The circuit This is a closeup of the circuit, I´ve added a 10uF capacitor to stabilize the output [...]
Just finished another walkthrough about hacking a HiTec servo and make it spin continuosly. Follow it on flickr: http://www.flickr.com/photos/guibot/sets/72157617531839610/ Instructable: http://www.instructables.com/id/HiTec-Servo-Hack/ HiTec Servo Hack – More DIY How To Projects
Control your motors with an L293D and Arduino Control your motors with L293D and Arduino – More DIY How To Projects
27-August-2009 UPDATE: My friend Gerhard from Germany asked me to build a walkthrough regarding the G-Remote, with part list, schematics and code. And here it is. Enjoy :D ___________________________________________________________________________ This is my first attempt to make a custom remote controller, and also my first customized Arduino. After seeing this post made by OddBot I wanted [...]
This came up with the need of having the arduino permanently installed on the robots, I´m tired of having to remove the arduino from one bot to the other, and then rewire everything, and then reupload the code everytime I have a new idea, or everytime I want to show the bot to someone. So [...]
After long research and trial and error, I´ve came up to a new walkthrough regarding this nice chip, the L293D. Each project is one project and each one has its own unique power configurations, so you must be aware of the best battery choice and how to distribute voltage through your robot. I strongly advice [...]
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ENGLISH VERSION Actualização: Aqui vai a tradução à muito esperada deste tutorial, espero que vos seja útil. Decidi remover a Ponte-H, o motor agora está directamente ligado às pilhas AA e o Arduino é alimentado por uma pilha de 9V. Este pequeno robot apenas anda em frente (para já). Na 2ª parte vou adiccionar a [...]
VERSÃO EM PORTUGUÊS UPDATE: I decided to remove the H-Bridge part, now the motors are directly connected to the AA batteries, and the Arduino is connected to the 9V battery. This little bot will move only forward. In Part II, I will add an H-Bridge and two SPDT Bump Switches. The robot will move in [...]
