IMHO the best way to have your robot measure distance to objects. Fast and accurate.
If you are using Picaxe, you may find this info useful: … Read more
You buy a little thing, give it a wire with a serial string. And somewhere else you have a similar setup. And there you go; What you write to one, comes out of the … Read more
This chip enables you to take 4 outputs and turn them into 2 that can be reversed.
Note that the chip can get quite warm, but it is designed for … Read more
5V Regulators
Being stupid I can never find out how much resistor and what do i know I would need to get my 7,2V Racing pack battery to turn in to nice 5V that my … Read more
i bought in to this deal - and it really is the most funny set of motor & wheel I have encountered so far:
http://www.solarbotics.com/products/gm10w_deal/
Cool … Read more
Accelerometers are very exciting little things. When I say "little", I mean it, as they usuallyfits 4 or more on a finger nail! And each typically has … Read more
I bought some small tilt-sensors. basicly they where a small metal capsule with a ball inside. When tilted, the contact was switched on/off.
I thought this was … Read more
If you're ever in need of additional digital inputs or outputs then this chip may be an answer to your prayers. It only requires two connections from your … Read more
Voltage comparators are very useful components that does just what the name tells you: it compares voltages (duh!). A voltage comparator can be seen as a … Read more
Nice litle set of belt-tracks. Kinda cute!
http://www.solarbotics.com/products/gmtpkg/
Price is for a pair!
You will need to sort out how to mount the 2 axels … Read more
This tiny module can control two motors, 1 A peak each, and you can daisy-chain multiple units to control up to 62 motors with a single serial line. The new … Read more
The pololu dual serial controller is a great component to controll more than 1 motor. It uses a single seraial cable from a microcontroller to control the motors. I … Read more
Pack of 25 rack gears. Unfortunately it doesn't look like Rapid will ship outside of the UK and I really need some rack gears for the cap launcher. They allow a … Read more
PIR's are cheap little things that combined with a little chip (PIR Sensor Control IC) and possible a Fresnel Lens will tell you if there is motion in font of it. … Read more
Relays are an alternative to motor-controllers.
They do consume a little power from your battery when in either on or off position (turned on) - but they also do … Read more
I don't know how it is in other countries than Denmark regarding this. But in Denmark you can just walk into any shop / supermarket that sells paint, and grab as … Read more
Trust me; You REALLY want these. Really. They come in other lenghts as well.
Uh, so nice to have. So nice!!
Uh - forgot to ad shop, link: Here it is, compare price, … Read more
I just found this on HobbyEngineering.com and thought you might like it. I've read a few tutorials on how servo's can be made to rotate indefinately, and rather … Read more
Computer mice with balls contain two (or sometimes three, if the have a scroll wheel) rotary position sensors. These are not mechanical switches, but optical ones. … Read more
Isn't that just a pot?
You are forgiven for thinking you are looking at a photo of a potentiometer AKA variable resistor. That's what this looks like. However, if … Read more
There are a few models of this but the SM125-IC is an RFID Interigator with read/write capabilities and I2C connection capabilities. I have been looking for a chip … Read more
What's that?
In robotics, "solenoids" are a type of actuator.
You have a coil (4) of enamelled wire (same stuff you find in motors and relay coils) wound … Read more
What is Arduino?
Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. It's intended for artists, … Read more
The Make Controller Kit is a fully programmable,open source hardware platform for projects requiring high performance control/feedback, connectivity, and ease of … Read more
This set comes with two platforms and the clamps and pin sets (to mount your parts) for the two. This is pretty cheap and really easy to assemble. I bought one set … Read more
Here is a quick walk-through on how to get your hands on a really cheap alternative to the GM10s. The motors you get here are not even nearly as cool as the GM10s, … Read more
This is a motor driver that I like because of this:
It is usable from 6 to 50V, at up to 4A total output currentIt has a 5V output, so you can just hook up any … Read more
Althou i just burned one, i think i could still share some info here :)
This is an advanced motor driver for 12V motors. It is usually coupled with EMG30 motors, … Read more
Wire is the stuff which allows the electrons to move around your robot. It's the stuff which, if you try to squeeze too many electrons down it too fast, it will … Read more
