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Discussion Title Created date
PWM on all pins
Hello all   I want to control 10 LED that has been connected to 10 pin of the atmega8. and I want the control light intensity of them invidual. for example Led 1 is 10% Led 5...
Thursday, 2 December 2021 - 08:25
printing _ in LCD
Hello all Why this "_" in line 4 has been printed?! and it is blinking... .  
Monday, 29 November 2021 - 07:24
433MHz receiver code with AVR
Hello all I need the 433MHz receivers( like RXB61 )code in AVR Has any body it? Can e.b. help me?   one example receiver:
Tuesday, 23 November 2021 - 13:29
Duration Meter
Hello all we have a periodic signal and want to meter it's Duration and Frequency by atmega8 Ic by following codes : ISR (INT1_vect){ static unsigned char flag_start=0,state=1...
Saturday, 20 November 2021 - 19:53
Atmega8 Receives Usart Incorrectly
  Hello all, I have 2 device that are connected by ADM485. When I send a data Frame consist of 17 bytes data. sometimes (about every 5 seconds) The atmega2 receive ...
Monday, 8 November 2021 - 15:04
separate fraction and decimal part
Hey I want to separate decimal part and fraction part of a float number for eg: if we have 32.93 the out put be 32 and 93. is the following code right? float temp_float; float...
Thursday, 4 November 2021 - 23:07
calculate CRC-8
Hey all, in the following pic how CRC of MSB and LSB has been calculated? I enter 0110001101010010=0x6352 in the following link but the CRC is not 0b1100100=0x64. why?  ...
Thursday, 4 November 2021 - 20:10
I2C start Problem
Hi I have two pieces of code First Code that use from CodeVision I2C.h library is: result of this code is below:   2th Code that use from CodeVision I2C.h library is:...
Wednesday, 3 November 2021 - 04:02
I2C read with Ack
Hey I read from I2C by this Code but Micro=atemga8 does not issue ACK signal in reading process why?  
Monday, 1 November 2021 - 16:35
interrupt problem
Hey all I use following circuit It has phase,phase up and phase down that all of them will be 220V AC. but When I connect phase to 220V the phase pin the up and down pin will be...
Saturday, 21 August 2021 - 12:43
595 SIPO IC
Hello all Does 74HC595 ICs need cap on RCLK (load) pin? why?
Friday, 20 August 2021 - 21:44
triac breaker insteed Contactor
Hey all, I wanna a breaker for Induction Motors (Ventilators). Is it Possible to build it by Traic instead in Contactors like this   If not why? If yes , If I use BT139 is...
Saturday, 7 August 2021 - 06:40

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