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Breadboard Propeller and programming with Linux and PropGCC
Using a
Writing program in C with propgcc on Ubuntu Linux so you can compile and load the Parallax Propeller with Linux and C rather than Windoze and Spin. The video is … Read more
little background first... i wanted to try the NXT robot to follow line, BUT: - the smart brick only has 4 sensor ports - i only have 1 light sensor (able to detect … Read more
Uses an analog input pin to capture a digital signal from a 3V sensor for use with a 5V microprocessor
I recently purchased a Parallax PIR Motion Detector from Radio Shack. These devices are only about $10 US, and do a nice job of general motion detection when your … Read more
Make the lightcycles game from Tron on the Propeller with this step-by-step tutorial
This is the first of a 3 part series.  Stay tuned for parts 2 and 3!  For my other Spin tutorials, go here. Read more
Read RFID tags from the Parallax RFID reader on the Raspi
How to connect the Parallax RFID Serial Reader to the Raspberry Pi safely. Using a Logic Level Converter from SparkFun to step down the 5V serial from the reader … Read more
start a ProgramAB chat bot service in MRL
kwatters made this nice tutorial of the ProgramAB service in MRL. Read more
Yaw Control Of A 40Km/h RC Car Using Arduino
Hi, As promised, I have taken some of the code I previously published at RCArduino from a 1 meter per second application to ten meters per second. All of the … Read more
Just some little tips in LMRs. Is your robot in the picture?
I was just wandering how many robots and fun we have had lately, and it's just overwhelming! And we +1,500 active members is just crazy and great! (If you wander … Read more
Schmartboard EZ review and tips on using it
I picked up the SchmartBoard EZ while working on a USB-Serial circuit using FTDI's FT232R. It's an SSOP package with 28 pins, so I ran over to Fry's to pick up … Read more
Analog in = digital in and out
This is just a quick arduino tip. Even though there are only 14 digital i/o pins, the arduino has more. Analog pins can also be used as digital. Analog pins 0-5 are … Read more
make motorcontrollers/pcb's survive abuse
Did you know you can solder solid core wire on motorcontrollers and pcb's to make them survive abuse in extreme conditions. Think about it, pcb traces are thin and … Read more
Allows you to program an Arduino Mini Pro when plugged into a BOE.
If you cut the ATN line (pin 3) of the Basic Stamp 2 socket on the BOE board, you can program an Arduino Pro Mini in circuit. The picture shows where to cut. I … Read more