Subject:
|
Re: Miniboard/download mode
|
Newsgroups:
|
lugnet.robotics.handyboard
|
Date:
|
Wed, 18 Nov 1998 23:01:10 GMT
|
Original-From:
|
Tom Brusehaver <tgb@*avoidspam*cozy.wamnet.com>
|
Reply-To:
|
tgb@wamnet.#IHateSpam#com
|
Viewed:
|
1707 times
|
| |
|
|
> The switch checks out O.K. and I have 5 V on the first pin. The third
> pin is ground as it should be and the center pin connect to MOBD on the
> 6811 chip.
>
> Does anyone have other suggestions?? (sorry this is not handyboard)
Check the voltage at the MOBD pin on the chip (not the socket, not the
bottom of the board). If it is 5V with the switch in the one
position, and ground (0V) in the other position, you may have a
defective chip. Otherwise I'd guess open solder.
|
|
Message is in Reply To:
 | | Miniboard/download mode
|
| Hi all, I have a miniboard I built recently that won't go into download mode. In the note called "mb-debug.txt" on ftp://Cherupakha.media.mit from Chuck McManis he describes the exact problem I have. "If the RED LED light ups, or the motor LEDS (...) (26 years ago, 18-Nov-98, to lugnet.robotics.handyboard)
|
2 Messages in This Thread:
 
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|
