Microcontroller Discussions

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Philips 89C51Rx to be obselete?

I have heard Philips have hiked the price of these parts by 50% to existing users in an attempt to persuade them to mig...
3 comments posted 20yrs
posted by ruffrecords
3 comments posted 20yrs posted by ruffrecords

PIC development board

Has anyone tried the EasyPic3 from MikroElectronika? Impressions? It looks like a lot for the price.
1 comments posted 20yrs
posted by t.wyckoff
1 comments posted 20yrs posted by t.wyckoff

Is this group active?

Is it?
12 comments posted 20yrs
posted by ruffrecords
12 comments posted 20yrs posted by ruffrecords

16f628 - Problem counting clock frequency

I have added some code to my IR sampler so the chip/board can double as unknown/salvaged crystal identifier. For intern...
0 comments posted 20yrs
posted by sambo
0 comments posted 20yrs posted by sambo

Nubie question: Programming ATMEL MEGA8

After looking over a lot of cool projects based on the ATMEL family of microcontroller, I just bought a bunch of ATMGAG...
4 comments posted 20yrs
posted by beef
4 comments posted 20yrs posted by beef

8051 basics and interfacing examples

Hi Pls check http://www.freewebs.com/maheshwankhede/ For Atmel/Intel 8051 microcontroller basic tutorials Tutorial incl...
0 comments posted 20yrs
posted by maheshwankhede
0 comments posted 20yrs posted by maheshwankhede

Anyone have info on a EDH687C31?

This is a hybrid made by Electronic Designs Inc. long ago. The firm that bought them out has not responded to my reques...
0 comments posted 20yrs
posted by h
0 comments posted 20yrs posted by h

Strange behavior of RA4

I have connected RA4 to Vcc through 10K register on PIC16F84A. This RA4 was connected base, Vcc - LED - 330 ohm - colle...
11 comments posted 20yrs
posted by qhhong
11 comments posted 20yrs posted by qhhong

two's compliment math

Have been trying to do 32bit signed subtraction using two's compliment but I can't seem to get correct figures if eithe...
6 comments posted 20yrs
posted by jj
6 comments posted 20yrs posted by jj

Dallas MTK problem

I am using the DS80C400 with a clock source of 27MHz. I found the MTK unreliable when I set it to com1 of 115200 baud s...
0 comments posted 20yrs
posted by fred
0 comments posted 20yrs posted by fred

Microchip in Space

Microchip, in cooperation with NASA, has launched SuitSat-1, based on the PIC18 microcontroller. Actually, it's a prett...
4 comments posted 20yrs
posted by editor
4 comments posted 20yrs posted by editor

PIC16F877 and Pins Prob

Hi, I have a problem when I tried to activate 3 PINs simultaneously... :-( I have this prob too when I only set 2 Pins...
5 comments posted 20yrs
posted by christophe.ringler
5 comments posted 20yrs posted by christophe.ringler

PIC16F877 & I2C Prob

Hi ! I am using PIC 16F877 and i have a little prob...Any code which is written after datahi = donnee[1] doesn't work.....
1 comments posted 20yrs
posted by warduck
1 comments posted 20yrs posted by warduck