Post Created date
cnc mill with avr
Yeah, unless you understand backlash, moment of inertia, coefficient of friction,you should start with an existing CNC mechanism. You can find them on Ebay sometimes. Failing that...
Friday, 12 July 2013 - 21:15
The return of the PMOS
Its possible the problem may be current through the level shifter. Do you switch just one side, or both Vcca and Vccb?
Thursday, 11 July 2013 - 20:37
interfacing a 16x2 lcd module with atmega8
I noticed that the schematic shows the Vee pin grounded, while the narrative indicates it should be connected via a 1000 ohm resistor.
Thursday, 11 July 2013 - 20:15
How to soldering the Atmel product by hot air gun!?
http://support.atmel.com/bin/customer.exe?=&action=viewKbEntry&id=298 There's a link to a PDF of the standard near the bottom of the page
Tuesday, 2 July 2013 - 10:01
Atmega16 ADC - External Voltage Reference
If it is a prefab board, AVcc and Aground should already be taken care of. Decoupling should also be taken care of. What is the make/model of the board you are using?
Monday, 1 July 2013 - 21:08
Atmega16 ADC - External Voltage Reference
Are you using a pre-fab development board, or is this a 'one of a kind' ? Given your confusion about the power and ground connections I suspect a hardware problem. It would be...
Monday, 1 July 2013 - 16:55
[Atmega644][UART] Not returning from function
By chance, are you using atmega1284p?
Sunday, 30 June 2013 - 16:44
ADC ATmega8
ADIF is not cleared automatically, unless the corresponding ISR is executed. Your code gets the first conversion, but never allows successive conversions to complete. Its better (...
Sunday, 30 June 2013 - 10:49
Why compiler error for this code
Change the brackets in the second delay, into parentheses.
Thursday, 27 June 2013 - 13:44
Some data on generating random numbers via ADC
This is a popular method, and perfectly suitable for many non-security purposes ( such as collision back-off time on a CSMA net). However, for applications requiring 'real'...
Thursday, 20 June 2013 - 23:13
Can't program ATMEGA328 with MySmartUSB or AVRISP MKII
Quote:some code is written, mostly in the very last part of the memory. Sounds like you could have a chip 'preloaded' with a boot loader, with Lock Bits in Mode 2. Erase the chip...
Wednesday, 19 June 2013 - 23:01
have a request for you dear engineers can anyone help me
Its a proprietary NMEA sentence for SiRF chipsets. This particular message (103) is a command to specify which sentences are sent, and the message rate. This particular command...
Wednesday, 19 June 2013 - 22:44

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