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STA013 trouble, I need ur help!
Acknowledge bit always 1 (NACK) maybe caused by wrong I2C addressing scheme. I've done testing with simple I2C devices like DS1302 RTC, AT24C04 SEEPROM, and tried to mistype the...
Friday, 28 March 2008 - 02:42
Custom Character
Character LCD uses CGRAM to store the custom character. Therefore you must load the custom characters every time you turn power up. Usually I attach the custom character loading...
Friday, 28 March 2008 - 02:33
ADC input protection
Hm.. i think it's on wrong forum. You can apply differential amplifier to fix that so appropriate voltage could be applied to AVR. Google differential amplifier give a lot hit...
Friday, 28 March 2008 - 02:24
AVR modem
koubin wrote:Hi m23402027, sorry, my signal is sine, because it must be in band from approximately 300Hz to 3400Hz. I must recognize two frequencies, whereas there may by other...
Friday, 28 March 2008 - 02:21
Music Beat Detection by an ATtiny 2313?
Quote:What would be really great is if anyone had a AVR that could analyze music (beat, amplitude, pitch) without programming. IMPOSSIBLE.
Friday, 28 March 2008 - 02:15
DAC interfacing
Ground problem maybe?
Friday, 28 March 2008 - 02:11
Robotic Arm - Advice Requested - AVR8 or AVR32?
I have an idea that came out just like Guillem said above, use two control system. One for controlling low level system like reading sensors, applying PWMs it is best to use AVR (...
Friday, 28 March 2008 - 02:09
PWM woes
Which AVR do you use? ever set fuse bit? internal osc or external crystal?
Thursday, 27 March 2008 - 13:06
Controlling a relay from a microcontroller
Usually when I drive a high risk load like this i use optocoupler too. Connect the LED side with resistor series to the microcontroller then hooked up the transistor part to NPN...
Thursday, 27 March 2008 - 11:12
delay problem attiny 2313
Ooops. I've should read that. There is statement Quote:"When the user request delay which exceed the maximum possible one, _delay_ms() provides a decreased resolution...
Thursday, 27 March 2008 - 11:07
USB Book Outline
Quote:Lulu is darn cheap - hardcover an A4 100 page book in black and white for under US$7! And if you ordered more than 25 books you got a discount. I tried to enter 100 books @...
Thursday, 27 March 2008 - 11:03
Using Photocell with AVR Atmel86
To detect an analog voltage between 0..5V you must use ADC. Digital inputs are used to detect 0 & 5V only. You can use several input from PC0 to PC5.. Please refer datasheet...
Thursday, 27 March 2008 - 10:50