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AVR Bootloader over bluetooth SPP
Hi Everyone,   Is it possible to program a Mega128 over bluetooth SPP?    i have a board with a Bluetooth HC06  connected to USART0 of the mega128. I was...
Sun. Jul 26, 2015 - 03:08 PM
Quadcopter repairs
Hi Guys   I crashed my quadcopter cx-20. its seems that the gps/compass unit has been damaged. i noticed that the patch antenna is broken. i wanted to hook this unit to my...
Fri. Jun 19, 2015 - 05:10 AM
Pump controller using atmega128 going wrong due to EMI
Hi,   I have just put together a Pump controller system which consists of a 3 24VAC contactors and the avr atmega128 circuitry. Basically when the Pump controller receives a...
Thu. May 21, 2015 - 09:16 AM
LCD menu with two buttons
Hi everyone, Working on a project which has a LCD and 2 buttons(green utton and red button) i need to make a menu for setting up the system the idea is to use the green button as...
Tue. Feb 11, 2014 - 09:05 AM
dual USART issue with ATMEGA128
Hi Guys, Im working on am irrigation controller project. Using the ATmega128. USART0 is connected to a bluethhoth module and working fine. USART1 is connected to a GSM modem which...
Thu. Aug 15, 2013 - 08:22 AM
SPI transmission errors
Hi everyone, Working with a project which involves 2 Landrovers. Landrover_1 gets instructions via a DTMF decoder and accordingly turns the appropriate motors. It Also transmits...
Sat. Jun 25, 2011 - 03:51 AM
SPI confussion
Hey guys, This is the first time im going to use the SPI inteface and i have some confusion with th ^SS pin. let me explain what im doing.. I have 2 identical PCB boards. The...
Sat. Feb 12, 2011 - 05:46 PM
while using ADC, is it ok to use the unused ADC pins as o/p?
hi everyone? quick question... using some pins of microcontroller ADC port as outputs to drive relays via relay drivers(port PA0-PA5). I am also using two ADC pins (PA6 &...
Fri. Sep 24, 2010 - 06:12 PM
GSM sms parsing problems
Hi everyone, im trying to receive a sms on a gsm modem and then forward the text to another number. when i check the working between comp and microcontroller it seems to work. but...
Thu. Aug 12, 2010 - 09:41 AM
strstr() function bugs
Hey Guys, Can someone help me with this small gcc problem. Im connecting to gsm modem and trying to check when i receive a new sms. at this stage i ma just checking data between...
Wed. Aug 11, 2010 - 04:14 PM
FBOOT problems
Hi everyone, I always use FBOOT as my bootloader on my AtMegas. I have just assembled one board which uses the Atmega32 Micro. This board has an option of using the Rs232...
Mon. Aug 9, 2010 - 06:25 PM
20KVA Power supply Generator Automiser question
I want to build myself a system that starts my generator. I know a lot of ready made starters are available but i want to start it remortly and according to my need. To Start the...
Wed. Nov 18, 2009 - 01:37 PM

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