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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
Timer overflow ISR execution is delayed - precise timing needed.
I am trying to produce some waveforms using the PWM and a timer interrupt. The problem is I am also doing envelope and LFO calculations in the main loop. So, at certain points, I...
Sunday, 11 October 2020 - 13:52
Fuse was changed while writing flash!
So I have been having this behavior for a while with avrdude and USBASP where at the end of a flash writing procedure there is a verification error - every fuse bit is read as if...
Wednesday, 7 October 2020 - 12:52
Nokia 5110 LCD not working
This is my first time trying to use an LCD. I have tried driving this nokia 5110 LCD using various methods but had no results:   I used an ATMega328p, AtmelStudio and GLCD...
Friday, 25 September 2020 - 15:14
GLCD library undefined reference to functions - linker error? please help
So, I am trying for the first time to operate a Nokia 5110 LCD using an ATMega328p. I managed to include the GLCD library in my solution by adding the directory path to the C++...
Tuesday, 22 September 2020 - 23:01

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