From £14.95 |
Buy it Now The new LAB-X3 is microEngineering Labs, Inc.'s newest experimenter's platform. It provides a full complement of hardware peripherals for an 18-pin microcontroller such as the PIC16F84 or PIC16F628. |
This is my offer for the smallest design on the MCP23017 I/O expander in bi-directional mode:
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It's possible to smoosh an SOIC with 0603 SMD down to 23mm x 107mm (0.9in x 4.2in), with no...
The original project was just a personal home alarm system.
But now I'm designing a controller for flight sim that I plan on marketing. I'm considering using a combination of everything said in...
Car automakers had to do it with better electrical characteristics I guess.
I'd also choose 2 wires USART classic setup. Tested and guarrateed to work just fine.
Ioannis
I saw a mention further up the thread about 1-wire comm.
OBD-II signal protocols. ISO 9141-2. This protocol has an asynchronous serial data rate of 10.4 kbit/s. It is somewhat similar to RS-232;...
Me too. But if I removed my post, the thread closed again.
:)
could do.........
1)
'
restarting:
pause 1000 ............... wait a second or 2 to reset all
@ RESET
'
or 2)................
if all slaves are on same 5 or 3 volt supply, then use a small...
A tri-state general I/O pin on the master.
Output low = reset
Input = do nothing
I can't say. This is all theory for now, but is supported by posts on google and a forum elder,...
But will that work if the slave is caught in a loop or some such?
I'm aiming for a complete reset with no decision from the slave.
This comm scheme sounds like ISO-9141. Been around for years.
DaveP Yesterday, 13:22From £14.95 |
Buy it Now The new LAB-X3 is microEngineering Labs, Inc.'s newest experimenter's platform. It provides a full complement of hardware peripherals for an 18-pin microcontroller such as the PIC16F84 or PIC16F628. |
Re: I/O expanders
Am I the only person that can't stand having VSS above, and VDD below?
Demon Today, 21:05I had to go and fix the caps so VDD was above, and VSS below.
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