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Some one check my thinking! Serial port content
Could someone check my thinking and see if they can see any flaws in the plan, so to speak!     I have a device, with an ATmega128, and  UART0 will be connected to...
Tuesday, 18 June 2019 - 18:16
Brainstorm for a high resolution, high speed, synchronous rpm sensor
Hi All,   I'm looking at a project that requires high resolution measurement of the rotational speed of a shaft, that is spinning at up to 15,000 rpm (250 revs per second)....
Tuesday, 16 October 2018 - 19:22
Elegant code to separate ADC result into a few discrete states?
I have an ADC input set up to reads a rotary switches using a resistive divider chain to return some descrete states when a given selection is made.   I'm trying to...
Friday, 1 June 2018 - 15:06
Win XP update just broke AS4..
Ok, i don't normally believe in co-incidences, but having posted a "is it time to move on from AS4?" topic in which i said "AS4 has never failed to work in 10 years" well, the...
Sunday, 27 May 2018 - 10:07
AS4 -> AS7 what do i need to know?
Ok, i've been stuck in the dark ages!  For the last 10 (ish) years i've been using AS4 (4.18 SP2 infact) which just worked, always, without bugs or errors, on an old WinXP...
Saturday, 26 May 2018 - 22:10
Delay a stream of pulses by a set amount? best coding approach
I have a digital ("square" wave, rise fall time ~ 500nS)pulse stream, each pulse is close to 50% duty, and the frequency of those pulses varys from around 500Hz to 5KHz, ie...
Friday, 11 May 2018 - 15:52
uart baud rate "Bridge" - best way 1Mb -> 115200b ?
I have a device that normally, for debugging, spits out data on it's TTL level uart at 1Mbaud.     I'd like to replace that wired link (normally an FTDI USB->...
Saturday, 5 May 2018 - 16:02
"hiding" the ISP lines behind a buffer/switch?
I have an application where the uC programming lines are broken out to a diagnostics connector.  However, as those lines are shared by the SPi bus during normal operation,...
Saturday, 18 November 2017 - 15:42
Finding out the mem addr of objects within a type def struct?
I write some code, then compile it (with WINAVR / GCC).  Program variables that are created in ram have their memory addresses in that ram assigned by the compiler, and i can...
Friday, 25 August 2017 - 22:27
Uart "translator" 1Mb to 921600b?
Bit of a tricky one this!   I have two devices, and neither of them can be changed, modified or adjusted.   Device A puts out a TTL level UART at 1mbaud. Device B is...
Thursday, 6 July 2017 - 19:48
Whats the actual difference? 85 vs 105 degC parts?
Some questions around the max temp that an AVR can run at:   1) Atmega's come in three temp ratings,  industrial (up to 85degC) extended industrial (up to 105 degC) and...
Tuesday, 13 June 2017 - 10:41
Encode two analogue parameters into one digital channel?
I am looking at building a modular half bridge driver for various projects, and i would like to galvanically isolate that bridge from the controller, which is no problem for the...
Monday, 1 May 2017 - 12:24

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