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multiple can buses (switchable)
I'm looking to make a switchable can bus circuit. The plan is either one transceiver out with relays to switch to the different can pins or a quad transceiver using the enable...
Thursday, 15 December 2016 - 13:34
error in bootloader code for mega328.
*******after all the topic conversation the actual errors points to the source code. See post 52 on page 2. *******         I'm using a 328p chip with a USB...
Sunday, 11 December 2016 - 18:09
need some help with the old game port pot routine.
Back in the day a very common trick to measure pots was with a VR method. I'm trying to accomplish this without a 555 timer using just a micro controller and cap. I'm thinking...
Saturday, 20 August 2016 - 01:57
wave for just flipped on me?
I wrote a piece of code to interface with an IC that latched on to a wave form. I just resurrected this project and it's not working. Looking at the data I see I was latching on...
Saturday, 13 August 2016 - 03:30
Need to power mcu2 from mcu2 via pin.
I have a device that has some type of IC in it, this is unknown for the moment.  I can power this IC up with usb power but I need to use a pin from my atmega328 portd. ...
Saturday, 13 August 2016 - 01:11
simple communication between two mcu's wirelessly .
I have two avr mega chips that I want to communicate between. Each mcu is its own device. The communication will only contain two states. The communication will need to have a pin...
Friday, 22 July 2016 - 16:23
Migrating atmega328 progect to ATmega32U2
Hey all, considering an upgrade to my 328 with v-usb. Wondering the following?   1) On the ATmega32U2 Datasheet I do not see pc1 or pc3. Are they not available? 2) Would the...
Sunday, 3 July 2016 - 01:11
using atmega8 as relay.
I want to take this http://www.rav4world.com/forums/... and do it all on my atmega, The 555 timer I can figure out but I'm a bit foggy on the relay part. I was thinking of using...
Monday, 30 May 2016 - 17:32
Help working with algorithm,
Not following this procedure here at all.   (Position A to Position C): Perform the Shift Right and Xor operations as shown in the flow diagram 64 times. Each time use the...
Thursday, 21 April 2016 - 18:51
help with <<<< operator to c
I have some c++ code I'm trying to convert to c. I think >>>> is byte shifting but no idea what >>> is. This is the original code also I think byte is...
Thursday, 21 April 2016 - 13:19
help cracking the checksum code.
I'm working on a CAN bus and there is a particulate set of data that generates some type of checksum. I have looked at it far too long and can not nail this down.   Code...
Wednesday, 6 April 2016 - 13:25
user friendly eeprom writer
 Was wondering if anyone knows of a way to write to EEPROM from a "user" perspective. Say I have a project that uses a boot loader to flash my device. I'm looking for a way...
Monday, 4 April 2016 - 14:07

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