Unanswered Questions

3
votes
0answers
30 views

Is there a more economical version of this powersource prototyper the CADET

This is what I want....problem is that they are expensive, really expensive ($500). Is there a more economical version? http://tequipment.net/ELCADET2.html Features: * Expanded …
3
votes
0answers
172 views

How can I use avrsim to simulate Arduino?

Hi, I found vary nice open source avr emulator ( http://gitorious.org/simavr). Since there is uart emulation implemented it can simulate Arduino. There is board_simduino example, …
3
votes
0answers
65 views

COP8 MCU National Semiconductor

Hello everyone. I have a problem with a sbc that I am repairing, the sbc is controlled by an 8-bit OTP microcontroller which I think is broken. I only get 200 ohms between pin Vcc …
2
votes
1answer
70 views

Lighting project advice.

I am developing a school project to make a rechargeable outdoor light for use at BBQ's etc. The idea being, on the wall is a mains powered charging dock, with 4 battery powered li …
1
vote
0answers
33 views

QTR 8RC White line detection

I am using a qtr8-rc sensor array on a line following robot, When I use it on a black line on a white surface it works but when i try to use it on a black surface with white line i …
1
vote
0answers
189 views

Merging Electronics Exchange with Chiphacker

To every Chiphacker, I've been a user of Electronics Exchange (the other electronics stackExchange) for a while now, and I'm witnessing the diminishing popularity and success of t …
0
votes
1answer
54 views

Stepper Motors (on mbed, not arduino)

There is some information on chiphacker about using an arduino to control stepper motors (I'm driving Bipolar, 4 wire, motors), however I'm finding it hard to know how to control a …