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45 Threads found on i2c With Avr
hello all i wanna to connect sht11 with long cable to atmega32 when the length of cable is less than 30 cm the micro show the data on lcd and the data is correct when i try to connect sensor with a cable =1 meter to micro didnt show anythings on lcd!!! how can i increace the distance bitween sensor and micro? sht11 worked with (...)
I have interfaced MCP7940M with avr. I know working of i2c where in case of RTC write we use following sequence: 1. Start 2. Slave address+Write bit 3. Register address 4. Register data 5. Stop And of course after each byte there is ACK or NACK But actual confusion is in RTC read Definitely first two steps will be as it is (...)
dude, that's a i2c memory, not a microcontroller... what exactly do you need? an avr sample in atmel studio (avr-gcc? or avrASM?) to write an i2c memory (your at24c512) trough the TWI interface? (something like this could
Multiple i2c LCD with avr and mikroC PRO avr. I didn't post in my previous Multiple LCDs thread because this is for avr. This is a Multiple i2c LCD library. You can have 8 i2c LCDs on one i2c bus. I have used i2c LCDs and modules from Banggood.
This is Multiple i2c LCD code. It is written using CCS C Compiler version 5.044. This si tested in Proteus and also EasyPIC v7 development board with 2 x 20x4 LCDs. LCDs should be HD44780 or compatible. I have used i2c LCDs and i2c LCD modules from Banggood. I will soon post mikroC PRO PIC and avr (...)
My project is i2c LCD with ATMEGA1284. Project tested in Proteus and also mikroElektronika Easyavr v7 dev board. Code is written in mikroC PRO avr compiler and uses TWI library. mikroC PRO avr files and Proteus file are attached.
It's highly unrecommended to build a software serial port. The serial-port signals are over-sampled and require a percise monitoring of the signal to cancel-out any potential noise. I would suggest reconsidering the MCU used if you don't have enough serial ports for the project. You could also use a i2c to UART converter (for example SC18IM700). T
Check this one... #include #include <avr/io.h> #include <avr/interrupt.h> #include <avr/sleep.h> #include void i2c_init (void) { TWSR = 0x00; TWBR = 0x47; TWCR = 0x04; } void i2c_start (void) { TWCR = (1<
Please help me coding for RTC(i2c) using ATmega32. (Master with slave.) It's show time duration on LCD. :!:
Do you have enough I/O pins on the avr to attach an external UART IC? If not enough for a parallel interface, you can connect an external UART IC which uses i2c interface (only 2 pins for clk/data and up to 3 more pins for control, reset, and IRQ). One possible IC for this would be MAX3107
i dont use microc.. so i can't help with its library functions... but i can help you with avr studio... - - - Updated - - - it seems that your sht1x device communicate via i2c protocol... find proper sequence to operate it... (means data frame and command frames) they should be given in its datasheet... also compare your
i'm using two atmega32 for i2c. master will call a slave & send the address of the slave as data & the slave will show it on PORTA. Master is transmitter and slave is receiver. i'm not getting expected result.slave is not showing its address on PORTA. where's the problem. plzz help. master code: #include <avr/io.h> #include
the critical thing is your image processing - how large are the images? how do you acquire the images? processor power required will depend on the complexity of your application at first glance you clearly need a powerful microcontroller with at least 3 UARTs (PC, XBee, GSM modem), i2c, SPi, etc - I would probably look at a PIC32 or an ARM,
Can you be more specific, what type of sensor? Sensors can be used with SPI, i2c, digital pins or analog ADC inputs. If you got a good programing experience with c it should be fairly easy to interface anything if you check the datasheet of your device and avr
Hello i have a gps module (cmps09) i can read data from it but i write another program to change it address. but it doesn't work properly.could you help me on this? what is my problem? $regfile = "m16def.dat" $crystal = 8000000 $hwstack = 32 $swstack = 32 $framesize = 48 '==================== Config Scl = Portc.0 Config Sda =
look for a camera for which you can find datasheet .. interface details etc .. camera modules use various interface standards .. i2c, parallel .. i am not sure what the phone camera uses in particular and if you are really keen on proceeding with this camera .. look for schematics of phone ..find lines interface to camera .. and find out interface
Which compiler are you using? Implement i2c with the TWI module in the ATMEGA 8/32. If you need ready-made code and don't want to learn how to do it yourself, google it - you can find lots of codes.
system STMPE811 from ST Micro was used in this project. Quality, speed, accuracy and interesting possibilities offered by the chips, with their small size and convenient use with the i2c are strongly in favour of their use. This is how it looks on the PCB: [url=obrazk
Hello, I have the code shown below which will receive one byte from a slave avr to a master avr processor. The for loop call each slave with its address and the slave responds with the "SlaveToMasterByte". I have tried now for a while and I find this a little difficult. My question is how do I expand this code so (...)
As far as i know there is no avr part with built in adc above 10 bits. If you need more resolution better use external adc with i2c or any other input with 12 bit or 16bit.