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  1. ismbn

    ESP8266 server & 2direction comm. with browser without INTERNET

    Hello. we are an Embedded developer. we make special purpose controller as per client requirement working nicely till we have seen this ESP WiFi module. we are stuck completely because our IT knowledge is bad. I am posting what we have tried till now, Please Help. we have ESP8266-V3 , i have...
  2. ismbn

    FreeRTOS Development Board for LPC18xx ARM Cortex-M3

    Hello. We Develop Embedded Solutions, Normally in PIC controllers, I have Worked on 8bit & 16Bit Controllers. But Now we want to use ARM Controllers. I don't know much about ARM. But Peripheral wise we have selected a controller (LPC18xx ARM Cortex-M3) I think Peripheral wise its a rich...
  3. ismbn

    [SOLVED] What to use Xamarin or Android Studio for Andriod application basied on Embedded

    Hello. Actually i am an embedded developer. normally worked on PIC Controllers. I have done some projects in which i was using WiFi modules. Also i have made some Basic VB.net Application Using VisualStudio12 for embedded Controller Now i want to Make some Application on Android that will...
  4. ismbn

    Developer of automation Controllers

    Hello... We are in Mumbai India.... Please Contact me for any kind of industrial or Home Automation Projects... We Work on Micro Controllers, PLCs, and RTOS etc.... We have made lots of Controller including Vacuum presser Indicator & controller with RS485 Communication on Modbus, Hundreds...
  5. ismbn

    I want Learn RTOS. Please Help to start.

    Hello. I want to learn RTOS. I googled allot the information is widely available on the internet, but then I am not understanding it. i undurstand the language but the terms start rooling in my mind and i got sleep. I studied the freeRTOS tutorial also download the eclips and java runtime...
  6. ismbn

    [SOLVED] Photo led and Photo Detector of Specific responsive Frequency

    Hello. I am very new in analog world. Frankly i dont ever worked on opamp. So please help me in this. We are working on a project like heart rate monitoring etc. There i have to detect the change in intensity of light at photo detector. Right now i am using normal red color lcd and photo...
  7. ismbn

    PIC18F4520, PORTB change interrupt is not Working

    Hello. I am Working in The Project which uses ultrasonic sensor for Height Measurement, The Module of Ultrasonic is shown in Pic Modle HC-SR 04https://www.robosoftsystems.co.in/wikidocs/index.php?title=Ultrasonic_Sensor_(HC-SR04). for This we have to give the trigger of 10uS at trigger pin...
  8. ismbn

    Making weighing machine

    Hello There... I am Planing to make A weight machine... I have not Worked on analog before, this why i need Lots of support, as you guys are the only my Teachers now a day... Please Help me to Select the load cell for weight upto 200Kg, which 1 i can use, i seen some of the load cell but thy...
  9. ismbn

    [PIC] PIC16F887 SPI interfacing with MCP3550.

    Hello All. i am now for PIC microcontroller. I tried allot but the SPI is not working. my aplication is take the data form MCP3550. and show on 4 digit 7 segment. i am just getting the problem in communication between PIC16F887 and MCP3550. please guide me how to make alive the communication...
  10. ismbn

    [SOLVED] Help. Rfid based library book locater

    hello there. i want to make project for library book locatar. i hard that there is RFID based module avalable will multipal patch type reciver. my plane is to make the module which will be connected to the PC. and all librart books will be having that patch reciver stiked. when the use serch...
  11. ismbn

    [SOLVED] [Moved] Rotary Encoder interfacing with ATmega32

    hello. I working on a motor in which there is a rotary encoder is connected, with 2 output channels i.e. A & B. this output channels are giving the square wave with 90° Phase shift. In my application i have to detect the direction of the motor and count the pulses done, & send to PC via UART...
  12. ismbn

    replacement of ic THCT12016

    Hi All .. I want to Know, is there any replacement of this IC THCT12016... I am using this to count the pulse of servo motor... i want to do the simulations also... so, is there any IC in proteus working like this... also i am looking for other good simulation software... Please suggest...
  13. ismbn

    problem in serial communication with hardware of ATMEGA32...

    Hi all... I am using ATmega32. I have done this coding int main(void) { uart_init(103); // set 9600 baud rate DDRA=0xFF; DDRB=0xFF; DDRC=0xFF; while(1) { PORTA=PORTB=PORTC=0xFF; _delay_ms(100); PORTA=PORTB=PORTC=0x00; _delay_ms(100); print('A'); // send 'A' via usart } }...
  14. ismbn

    [SOLVED] interfacing AD1674 with Atmega32

    Hi friend... I am interfacing (in simulator) AD1674 which is a 12 bit ADC with ATmega32. I have made the connection as in the attachment. in the output of the ADC the data is changing, but when i am sending this through serial port, i am getting output as in the screenshot... it is giving...
  15. ismbn

    [SOLVED] how to check data available in serial communication for ATMEGA2560...

    Hello... I am working on at mega2560... please guide me how can we check the data availability when using serial communication... like in arduino... they have function like Serial.available to check... how I can do this if i am using avr studio 6... Thanks & Regards Ismail :-)
  16. ismbn

    How To Convert ascii to decimal To Send via USART For AT MEGA 32...

    Hi all... I am Using AVR Studio 6 for compiling... here is my code i want to count the pulses from the external source and transmit it though USART. I have connected that(external pulse) to the External interrupt & incrementing it when interrupt hits, Also able to transmit it though USART but...
  17. ismbn

    [SOLVED] problem in setting baud rate

    How To Convert ascii to decimal To Send via USART For AT MEGA 32... Hi all... I am Using AVR Studio 6 for compiling... here is my code i want to count the pulses from the external source and transmit it though USART. I have connected that(external pulse) to the External interrupt &...
  18. ismbn

    [SOLVED] Problem in setting the Baud Rate in AVR...

    Hello... I am using the AT MEGA 32 and AVR studio 4. In that i have given the F_CPU = 16000000 i.e 16MHz. The Problem is I giving the UBRR = 51 (or any other value given in the data sheet) as given in the data sheet to set the Baud rate 19200. But in the Hardware as well as in Simulation it is...
  19. ismbn

    PORTEUS 7 related problem...

    Hi all... I am using Porteus 7 professional for circuit simulation... and using AVR studio 4. Now the problem is I am doing coding for making baud rate of 9600 or 19200 or what ever but when i am simulation the program it's working on baud rate of only 1200: what is the problem behind this i...
  20. ismbn

    [SOLVED] [Moved] Want help to use the counter to count the pulses for AT MEGA 2560.

    Hi All I am working on AT MEGA 2560. In My application I need to count the Pulses for the machine cycle use the 16 bit counter in the AVR. the problem is that I am not able to configure the timer as well as counter. tried to write the code but I failed. attaching the code so please have a look...

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