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Soft start latching switch for DC-DC converter
I'm looking at the following DC-DC converter device: XT1861     The datasheet is very basic and I could not find the enable pin threshold voltage, however the...
Saturday, 30 November 2019 - 14:07
Watch string through char pointer?
I have a static struct declared in a header file, one of the members is a char array. There's a function that returns a pointer to that array, my question is how can I watch...
Saturday, 16 November 2019 - 09:15
Petit FatFs - pf_opendir undefined reference
I've just started to experiment with the library: #define F_CPU 1000000UL #include <avr/io.h> #include "pff.h" #include "diskio.h" FATFS fs; // file system object DIR...
Monday, 11 November 2019 - 23:43
watch modifiers - inside structure?
I have some structs in the code and some have char arrays in them. I can't seem to edit the name field of the array (in order to add ,c or ,s), only of the struct. Is this a known...
Sunday, 10 November 2019 - 01:10
Ericsson PKU 4710 PI 3.3V 66W 1/16th Brick DC-DC (3pcs) BRAND NEW
These are absolutely top notch, model number PKU4710PI (they are made today by Flex). See datasheet: https://www.mouser.com/ds/2/138/8701-EN_LZT146438_EN_B_PDFV1R7-471859.pdf...
Tuesday, 8 October 2019 - 22:29
Generating PDF from Doxygen?
I am trying to generate a PDF file from the Doxygen output (html / LaTeX). As far as I could understand there's a batch file placed inside the LaTeX output folder that should...
Monday, 15 July 2019 - 07:26
Simple way to decode ESP8266 / UART incoming transmission?
I'm getting data from an ESP8266, some of it are generic messages regarding connections like: "0,CONNECT" but the ones I am after are formatted: "+IPD,0,3:D" those are the...
Saturday, 13 July 2019 - 12:03
Problems after upgrading GCC compiler to 9.1.0
I've created a new flavor for the 9.1.0 GCC compiler and now when I compile I get errors such as those below:     Not sure why that is?  
Friday, 12 July 2019 - 13:30
Why PROGMEM attribute ignored?
I want to store a bunch of string in program memory + an array of pointers to those strings for easy retrieval, I wrote the following code: static const char ESP_RST[]...
Friday, 12 July 2019 - 10:16
Audio pitch down code debugging
I am sampling an audio signal of 1 KHz and would like to generate an output which is half of that. ADC & DACs are working properly, however it seems the output freq. is still...
Saturday, 6 July 2019 - 07:08
ATtiny44A clock out is 4MHz?
I'm enabling the CKOUT fuse and can see a 4MHz square wave generated on the clock output pin. I thought this should be 8MHz? I believe that is the freq. of the internal...
Wednesday, 8 May 2019 - 06:36
White LED driver debugging
I'm using the following circuit to drive the backlight LEDs of an TFT LCD module:     Please note that the input voltage was changed to 3.3V from 5V (should not matter...
Wednesday, 8 May 2019 - 06:11