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problem with SHT20
Hi I use codevision for coding Atmega8 and read temp by sht20 sensor with i2c protocol. I selected hold master mode for read temperature. I used proteus for simulation but result...
Saturday, 17 September 2022 - 14:55
Negative temp with lm75a
Hi   For -25 c the 11 bit binery temp data (msb+lsb) are  111 0011 1000 . According datasheet : If the Temp data MSByte bit D10 = 1, then the temperature is...
Thursday, 15 September 2022 - 09:58
Floating pins
Hi I am trying to use the IC HT9200A and need some clarification on what it is meant by "floating pin". I am trying to figure out what this statement means:   Quote Data...
Wednesday, 31 August 2022 - 13:43
Rs232 convertor and avr
How connect bf-810 usb to serial module to atmega 8a rx and tx pins ? Can I connect rx to tx and tx to rx pins directly or should use max232 between avr and bf-810?
Wednesday, 29 June 2022 - 14:17
serial command (TF-16P madul)
I want to drive tf-16p mp3 player with mega8. how send serial command from atmega8?   exampel: serial cmd for play 001.mp3 song   7E FF 06 03 00 00 01 FE F7 EF   I...
Wednesday, 8 June 2022 - 12:39
Out put lm386 amp to avr
How detect voice signal with atmega8 if point A at attached picture apply to atmega port?  I want to understand input signal is analog audio or dtmf signsl? If it is audio...
Wednesday, 9 February 2022 - 11:53
dtmf code
Can I read two dtmf code from PORTC atmeaga8. mt8870 used for decode signal. exampel ---->   1*   or   2*
Wednesday, 2 February 2022 - 17:17
What is L808 in below pic? This is a part of Samsung tv power supply.  
Saturday, 22 January 2022 - 18:58
I have any question about this code.I read datasheet but I don't underestsnd how read data . 1. Why multipy by 256 or 16 data from sensor? 2.how selected 256 and 16? Why was not...
Saturday, 30 October 2021 - 11:54
problem with ISD4004
I want to record 8 short different voice. but I don't know how send address for record for any voice. please example for me. (SPI protocol, atmega8a)
Monday, 18 October 2021 - 17:48
Can I measure temp with 5d-7 ntc with atmega8 for control temp in home incubator?
Thursday, 9 September 2021 - 15:17
problem with display on 7 segment
I want to display float value of temp on 3 digit multi 7 seg. but 1st and 2nd digit from left side is blinked. this is my code. #define F_CPU 4000000UL #include <avr/io.h...
Monday, 30 August 2021 - 14:27