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Problem with porting existing prj. from AT90S2313 to ATtiny2313
Hello Freaks!, I have problem with existing project. This project was was developed for old and hard to buy AT90S2313 MCU. I uploaded original .hex file into  ATtiny2313 and...
Tuesday, 22 September 2015 - 09:42
Which 1.8V Ultra-Low Quiescent Current LDO for battery prj.
Hi all, Which 1.8V Ultra low quiescent current LDO for battery project. Battery voltage is quite high (12V-15V) AcidLed Battery and will be charged with 20W sollar panel. I am...
Friday, 30 August 2013 - 15:27
Hello, After long time I want upgrade my old WinAVR4 to AS6.1(AStudio61sp1_1net.exe) After successfull install (jungo driver upgraded) AS6.1 extracted and installed (no errors...
Wednesday, 17 July 2013 - 06:56
How to measure extra high current (more then 1000A)
Hello all, My clamp meter is limited up to 600A My last attemp measure current stops on 1230A / 3V and it was analog current clamp meter. ( if you want to known what the hell I am...
Saturday, 15 June 2013 - 15:46
AT90S2313-4 binary replacement
Hello, My friend came today with one .hex file which is for AT90S2313-4 and he want to know what is replacement with binary compatibility for this retired model He dont have any...
Wednesday, 17 April 2013 - 16:53
Howto power 24VAC valves from 12VDC
How to make from input 12VDC output 24 VAC I found commercial product but its really expensive http://www.powerstream.com/inv-1... I have 24VAC/400-500mA sprinkering valves and...
Monday, 8 April 2013 - 19:49
RS232 cable and MAX232+AVR cable scheme problem
Hello, I am trying communicate with WAVECOM GSM modem over RS232 serial port if I have serial cable connected between PC=USB2COM WAVECOM GSM MODEM I am able communicate with GSM...
Thursday, 24 November 2011 - 14:44
Deep Sleep mode + WDT
Hello I need invent MegaMCU in deep power consumption mode device will wake up from ext.INT (button) but I need there Watchdog how to glue both in one project device may sleep...
Tuesday, 22 November 2011 - 06:42
byte mask negation
Hi how to write fast this PORTD 1 0 0 0 1 0 00 (8bit unsigned char) NEGATION ! 0 0 0 0 ! 00 (8bit unsigned char negation mask) -------------------------- Result 0 0 0 0...
Saturday, 1 October 2011 - 21:28
Two devices listenning on single UART port (mega8)
Hi I am solving simple problem. I need control GSM module with HW UART but I need also debug output channel. I dont wish use SW_UART like bit-bang with pin becouse all pins are...
Monday, 27 June 2011 - 15:26
Looking for Ethernet Switch IC suggestions
Hi all, I need add to existing networked Arduino PCB project 3+ ethernet ports. 2 ports for pass-thru cables (external MagJacks) 1 port is required for own networked device. (...
Wednesday, 2 March 2011 - 13:54
scheme for PROM IC programmer
Any suggestion for scheme cheap programmer Target IC are... Quote: * PROM - 74188, 74S287, 74S571 * EPROM - 8708, 2716
Sunday, 20 February 2011 - 11:35