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Any Hid descriptor gurus here?
Hey!   I'm trying to wrap my head over Hid descriptor's in this particular case i have implemented Hid over Gatt profile which is correctly interpreted as "Input device" by...
Saturday, 5 October 2019 - 13:29
How to manage "dynamical collection" on persistent memory?
Hi.   I'm trying to implement Dynamical size collection to EEPROM, which should support deletion from middle of it if/when needed, but write cycles should be kept in mind....
Thursday, 22 August 2019 - 17:20
Tapping into common ground rotatory encoder pins
Hi! I have came across a proplem that i need to partitially control another device i have zero control over. It does use rotatory switch with a push button, from what I did...
Friday, 28 June 2019 - 16:27
Seeking for some assistance to wire components
Hey!   So i pretty much got the PCB designed, but stumpled upon couple of things i'm not so sure about and would like to get some input about.   So first one, The OE pin...
Monday, 19 November 2018 - 04:19
MCP2515 or alternative to interface with car's Canbus?
Hi!   I'm in need to connect to my cars CANBUS to read steering wheel controls and was wondering if some decicated IC would be best for the interfacing with the bus such as...
Friday, 16 November 2018 - 04:18
Do I need to consider something special for circuit i put on car?
Hi! As title says is there some special design considerations for electronics installed in car?   I need something to turn on the amplifiers with little delay since my line...
Monday, 9 October 2017 - 02:37
Interrupt driven slave SPI
Hey, i'm bit uncertain about this as i have never done interrupt driven SPI with AVR's.   Is this interrupt handler about right? ISR(SPI_vect){ //Check if buffer got free...
Tuesday, 29 August 2017 - 16:00
Measuring mains powered devices with usb scope, some questions.
Hi! I have some doubts about this and rather ask before i do anything that is potentially dangerous to me or my equipments. Is it safe to ie. measure phone charger output with usb...
Thursday, 24 August 2017 - 18:39
WS2812B leds combined with serial coms
Good evening!   I got to wonder how people do this? the led's have pretty tight timings and interrupts kinda screw it over.   i was thinking something like this: PC...
Tuesday, 22 August 2017 - 18:25
Elecrow offering 5 pieces 10x10cm PCB's for 4.90$ now!
Just wanted to let people know if you are looking at making prototypes or whatever. I have been very pleased with them in past when the price was double of this, sure it's not...
Thursday, 25 May 2017 - 12:27
"Arduino" autoreset circuit
Hey! I've been fighting to get this to work on selfmade PCB for quite some time, now I have to ask for some assistance.   So I have basically the same circuit. Ftdi RTS -...
Monday, 27 March 2017 - 21:15
Accidentally swapped 5v and 12v on PCB, what did I fry?
Hi, small accident happened and avr did catch little fire.   What I'm wondering did I fry anything else in the process for sure? All the other components should be rated...
Tuesday, 7 March 2017 - 13:14

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