Arduino Mega
by Simon on Feb.22, 2010, under Hardware, Microcontroller
Blah blah….
Up and running!
by Jason on Apr.28, 2009, under General, Hardware
The robot is now running with basic obstacle avoidance. It is being controlled entirely from the on-board microcontroller.
4N25 Optoisolator datasheet
by Jason on Apr.16, 2009, under Hardware, Sensors
Ordered 5 x 4N25 from ebay (45p each + postage)
Using shunts to measure current
by Jason on Apr.16, 2009, under Hardware, Sensors
An optoisolated shunt seems the way to go:
Transistor/Optoisolator voltage sensing
by Jason on Apr.16, 2009, under Hardware, Sensors
A better method than using a voltage divider, but not as simple.
AVR ATmega168 –> ATmega328 :)
by Simon on Apr.15, 2009, under Hardware, Microcontroller
We’re moving to the new (and backward compatible) ATmega368 microcontroller. It has double the RAM and EPROM, enabling a program size of 30k as apposed to 14k.
Protected: SHT10
by Jason on Apr.13, 2009, under Sketches
Protected: RobotControl
by Jason on Apr.13, 2009, under Sketches
Protected: MotorControl
by Jason on Apr.13, 2009, under Sketches
Protected: Environmental
by Jason on Apr.13, 2009, under Sketches
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