Embedded Programming

AREF bypass capacitance on ATMega2560?

Folks, What's the usual capacitance? Any stability issues there? I was planning on using a 1uF X7R ceramic cap on the A...

58 comments posted 13yrs

posted by invalid

58 comments posted 13yrs posted by invalid

Freescale 9S12 Shared I/Os

Hi, I have a requirement to use bits 6 and 7 of Port J on a Freescale MC9S12DG128CPVE device as an IIC peripheral. It i...

0 comments posted 13yrs

posted by yates

0 comments posted 13yrs posted by yates

Longshot: TI-500 Series Indicators firmware

Hi, I designed a system to track "weighings" at a local non-profit. I.e., "talk to" electronic pallet scales and record...

10 comments posted 13yrs

posted by this

10 comments posted 13yrs posted by this

Tone Deafness

Like a good percentage of human males, I'm partially color blind to green and red. In my case, it's enough that I can't...

72 comments posted 13yrs

posted by tim

72 comments posted 13yrs posted by tim

68hc05 705

Any one still working with 68hc705 68hc05 micros?? Bill --- news://freenews.netfront.net/ - complaints: snipped-for-priv...

9 comments posted 13yrs

posted by wrueth

9 comments posted 13yrs posted by wrueth

Simple protocol analyzer?

I have a need to read in lines of text from a serial port onto a PC, and timestamp them. I just need one timestamp per...

14 comments posted 13yrs

posted by tim

14 comments posted 13yrs posted by tim

Cortex R4 Tools and Processors

This is related to my "D'oh post" regarding the Cortex M4 floating point size. According to ARM, the Cortex R4 supports...

19 comments posted 13yrs

posted by tim

19 comments posted 13yrs posted by tim

Comparing phase of physically distant signals

Hi, [posted to S.E.D in the hope that a hardware analog might exist] I synchronize the "clocks" on physically distribut...

97 comments posted 13yrs

posted by this

97 comments posted 13yrs posted by this

PTP and its ilk

Hi, I have a PTP-ish implementation, here, that I use to ensure all nodes in distributed ("proprietary") system have a...

0 comments posted 13yrs

posted by this

0 comments posted 13yrs posted by this

Avoiding PCB stress from connectors ?

I'm sure there are some standard techniques to minimize this ? Product has a number of connectors on a PCB, mounted in...

4 comments posted 13yrs

posted by drn

4 comments posted 13yrs posted by drn

Cortex M4 Floating Point Size

I am, apparently, incompetent at reading data sheets. At least when they get up to several hundred pages. Do Cortex M4 p...

22 comments posted 13yrs

posted by tim

22 comments posted 13yrs posted by tim

ARM Cortex dev kit with 3 axis Gyro + 3 axis accelerometer ?

Hi, I'm looking for a cheap dev kit with an ARM Cortex CPU and both a 3-axis gy ro and a 3-axis accelerometer. Anyone k...

12 comments posted 13yrs

posted by mikedavies621

12 comments posted 13yrs posted by mikedavies621

Wanted: Lauterbach LA-7707

Looking for a used LA-7707 with or without debug cables. snipped-for-privacy@validatedsoftware.com

0 comments posted 13yrs

posted by nrm

0 comments posted 13yrs posted by nrm

Microcontroller True RMS in Noisy Waveforms

Guys - In measuring True RMS voltage and current, waveforms from non-linear loads like rectifiers chop up the current a...

9 comments posted 13yrs

posted by EnigmaPaul

9 comments posted 13yrs posted by EnigmaPaul

Bluetooth LE Modules OLS425/426

I'm looking for a self-contained Bluetooth LE module. Does anyone have any suggestions on an easy to use device? I stum...

0 comments posted 13yrs

posted by lutherblackwood

0 comments posted 13yrs posted by lutherblackwood