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USART- Dual Speed: doubts
SM@23 wrote: Hi, I have read the datasheet but still have doubts about the concept. In setting USART in double mode, the transfer rate doubles, i.e. every bit takes nearly half...
Wednesday, 9 March 2022 - 03:58
How to implement a wait loop for timeout using counter?
avrcandies wrote: The whole thing is a bit of a mess...ALL you need to do in the IRQ is increment something , like ISR(TIMER0_COMPA_vect) mydog++; //count irqs then in...
Wednesday, 9 March 2022 - 03:47
How to implement a wait loop for timeout using counter?
Because you may want the timer INT to continue for other tasks, the way I code this type of problem is to use a byte-sized saturating counter ISR(TIMER0_COMPA_vect) { if (...
Wednesday, 9 March 2022 - 00:51
Programmer for AT89S2051, Part 2 :)
Jeckson wrote:   It will be nice to used AVRdude. That's not mandatory, in the other thread was this suggestion to simply use the -C command line You do not have to edit...
Tuesday, 8 March 2022 - 18:51
MOSFETs burning out
DJJ_41010 wrote:     ....  The thing is, they're burning out for no particular reason.  Nope, they are burning out because they have been over...
Monday, 7 March 2022 - 01:35
Programmer for AT89S2051, Part 2 :)
JerryMouse wrote: and here are the capacitors and my DMM Did you check the XTAL osc with a DMM + fast Diode (1N4148 / BAW62 etc)  ? That will confirm the 2051 is oscillating...
Sunday, 6 March 2022 - 19:28
ATtiny85 elimination of frequency measurement inaccuracy
MiroSmet wrote: Now, I hope, I have already done everything possible to achieve the highest possible measurement accuracy with ATtiny85.   Great is it mostly working now....
Saturday, 5 March 2022 - 21:01
Programmer for AT89S2051, Part 2 :)
JerryMouse wrote: ok, I modified the scheme, but situation is identical. :( I do not see a Vcc-Gnd decoupling cap shown ?    That shows 5V hard wired to RST, It's...
Saturday, 5 March 2022 - 20:27
Do floating inputs consume power while in power-down mode?
robiw wrote: Hi, .. But the FUNDAMENTAL questions left unsolved: "Do floating inputs consume power while in power-down mode?" The manufacturer says no according to the...
Saturday, 5 March 2022 - 19:49
ATtiny85 elimination of frequency measurement inaccuracy
MiroSmet wrote:Hi, I tried to make a mains frequency meter using ATtiny85.... ... I mean, if you don't have idea, how to accurate measurre this wasted time and calculate it to...
Saturday, 5 March 2022 - 00:48
Do floating inputs consume power while in power-down mode?
robiw wrote: Yes, it is possible that you might be right but...but I connected wires to the power supply after switching it on so the voltage was stable during connection. R...
Friday, 4 March 2022 - 19:10
alternative for switching 220v with relais
flexbex1 wrote: So to a special problem I am working on in the moment. I have a waterpump which is controlled by, you name it, a relais. I replaced this relais already 4...
Friday, 4 March 2022 - 05:57

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