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Strange behavior from std::this_thread::sleep_for
I am trying to learn a bit about timing in C++ in order to time my code segments and figure out time complexities. I have been messing around by trying to time the sleep_for...
Thursday, 24 February 2022 - 02:22
Pulling an ADC pin to bandgap voltage
I was reading this project of Mitxela where he uses a clever technique for testing battery voltages. He describes it as " Cleverly, with the multiplexer connecting the ADC channel...
Wednesday, 1 December 2021 - 20:55
Zener diode low battery sensing
I recently learned how zeners work and thought that I could use one to sense when a lithium battery is low in order to indicate it on an application. When the lithium battery...
Friday, 5 November 2021 - 00:45
Clearing WDE bit is impossible
I am trying to use watchdog as interrupt only source. I have been trying different sequences for setting the WDE bit but no luck. I also searched up numerous posts about that...
Thursday, 14 October 2021 - 03:05
Power conservation on a step-up converter?
I am very confused about how power conservation works with a DC-DC step-up converter. Let me give an example:   https://i.imgur.com/GMopejD.png   In this example I...
Wednesday, 23 June 2021 - 15:50
Thermal Vias
I am trying to do a DIY pcb by milling. I need to solder wire in these vias so I would like to have them thermally isolated. Anyone knows if there is an option for that in Eagle...
Tuesday, 2 February 2021 - 09:47
Reversing a sensor polarity
Before I implement some DIY sensor reversing circuit on my 3d printer I thought I should talk about it here just to be safe. I'd hate to break something on it. So, I am trying to...
Sunday, 24 January 2021 - 10:55
A program to help me roll back to older versions of my code
Hello I recently did a bunch of changes on my code that I have regretted and I think it is about time for me to start using a... "versioning program"? Is that how it is called?...
Thursday, 21 January 2021 - 08:34
Using battery and no switch
Is there a good way to use a battery - voltage regulator - AVR circuit as shown bellow? I know leaving a voltage regulator hooked to the battery at all times is bad practice since...
Thursday, 14 January 2021 - 10:57
PIND4 pull-up not working on attiny2313a
I am so confused that something so simple is not working. As soon as I use an external pull-up resistor the pushbutton on PIND4 works as intended.   #define F_CPU 8000000...
Sunday, 10 January 2021 - 07:54
Is this LIPO recharging circuit ok?
I want to make my project rechargeable but don't have a deep understanding. Would it be ok if the load was on (ON/OFF SWITCH closed) and the battery was charging at the same time...
Sunday, 25 October 2020 - 18:44
Synth envelope release button reference problem
So I am implementing a synth envelop on an ATMega328p and am using a button reference in the envelope function. Each time a different note-button is pressed, the corresponding...
Sunday, 18 October 2020 - 15:43

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