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Discussion Title Created date
stepper driver L298 and l297 vs DRV8825 ???
Hello everyone left is A4988  and right is DRV8825 DRV8825 promises a max current of 2.8A peak and 1.5 per phase you know these are really cheap and small drivers that even...
Saturday, 19 November 2016 - 09:21
estimating battry life
Hello i have a problem with this estimation : i have a power LED that draws about 0.2Amp and uses 4.5 volts I supply this LED with 3xAA batteries that gives 1.1Amp and the...
Sunday, 1 September 2013 - 21:41
LPI (db25) to USB circuit
Hello I'm using a laptop and i need a to use the LPI port is there any circuit to make the USB to LPI adapter like this? http://www.amazon.com/StarTech-com-Parallel-Printer-...
Monday, 12 August 2013 - 20:05
PCB at home (freaking me out)
Hello every one I am really frustrated with this PCB thing I've done it over 20 times and still no answer I changed my iron with a laminator here is my steps: 1. Print the pcb...
Saturday, 27 July 2013 - 21:30
HELP Altium designer PCB
Hello I designed a component footprint of 7-segment and i used the foot print in my pcb but it is always green i don't know what is wrong with it here is a picture of the foot...
Wednesday, 17 July 2013 - 18:08
Problem with 32.768KHz crystal and driving seven segment
Hello i was designing a digital clock i got a problem about 32.768KHz crystal on timer 2 the problem is the datasheet says: Quote: A crystal can then be connected between the...
Tuesday, 9 July 2013 - 19:07
avr gcc building solution issue
Hi here is the problem when i first build a solution everything works well but after that when i do some changes in the code the compiler stops to work completely and i get this...
Sunday, 30 June 2013 - 08:13
how to make a wireless cam with radius 100 meters
hello everyone i was dealing with this problem which is sending a real time video from one place to another or to a PC is there anyway to do this with avr i mean somehow you...
Wednesday, 26 June 2013 - 19:27