I'm trying to create a energy grid monitoring system using Arduino
Im attempting to use Arduino connected with a GSM shield connected to power grid. The objective is to deploy the unit all over the city so that data can be received in almost real time so that power...
View ArticleEmbedded Linux - ZigBee Hub
Hi, I want to make a zigbee based home hub (gateway). I need help choosing the right software and hardware. The processor should be some ARM based. The operation system should be FreeBSD, with Apache...
View ArticleUART interface PIC to PIC problem
Hi all, I am trying to interface pic to pic via uart. i have created code so that when the pushbutton is pressed, the pic would send signal to the other pic and turn the led but its not working. i have...
View ArticleMicrocontroller PIC16F690 ADC to DAC problem
I am making a circuit with PIC16F690, but I get a wrong result on the output. When I have 1.21 volts on the ADC, I get 2.94V on the DAC output. If I lower the ADC input, the DAC output gets higher, if...
View ArticleRUNNING NEMA 17 WITH 2000 RPM WITH MICRO STEP DRIVER
I am trying to run a nema 17 stepper motor with a micro step driver and arduino uno can anyone help..?
View ArticlePIC Assembler 12 Bit Instruction Device Family Shop Talk
Finally found a GREAT series of books.. I will hold back on saying which ones they are so I don't get accused of anything. I am very stoked to find these! Anybody want to talk about PIC Assembler?
View Articleds3231 at24c32 eeprom not working
hello everyone, i am trying to interface at24c32 eeprom which is given with ds3231 rtc module. here is my twi.c file Code (C): void Twi_Init() { TWSR=0x00; TWBR=0x46; TWCR=0x04; } void...
View Articleds3231 at24c32 eeprom not working.. urgent please help
hello everyone, i am trying to interface at24c32 eeprom which is given with ds3231 rtc module. here is my twi.c file Code (C): void Twi_Init() { TWSR=0x00; TWBR=0x46; TWCR=0x04; } void...
View ArticleVisible Light Communication attiny85
Hi!! I am studying a project ''Vissible Light Communication'' and i want to use a device (transmitter-receiver) to transfer some words (a text) from a raspberry pi, to another raspberry pi by VLC...
View ArticleGoto Instruction in Microchip
I have seen the GOTO instruction in pic controllers. In 8051 and other controllers when reset or power on, the controller goes to the reset vector but why in PIC controllers we have both GOTO...
View ArticleSending Picture by arduino uno, NRF24
Hello , is it possible to sending pictures by arduino uno using NRF24 module, THANKS
View ArticleEmbedded Video Design
I am looking for some advice on how to handle video data in an embedded system. My situation is this, I want to take the raw data from a CMOS camera and store the information to an SD card. Naturally,...
View ArticleConversion Process from mv to lbs
Hi, Can you please help me in conversion formulas Is there any direct formula to Convert millivolts to lbs? Convert Hz to rpm? Convert millivolts to °C? if not, these are my requirements...
View ArticleAVR CODE VISION HELP
hi All about circuits memebers...I m a student of Electrical Engineering..Currently i m working on a project Automatic power factor correction using ATmeaga16. i have calculated the power factor (which...
View ArticleReading hall values
I am trying to drive BLDC motor by hall values. I am facing the following issue i am not able to detect the exact transition of hall values. How should i proceed? The hall values are analog values...
View ArticleHow to display number on LCD through user input
previously I learned how to display message on LCD screen. Now I want to increase complexity of program. I want to make program for following condition if button 1 pressed than display number 1 on LCD...
View ArticleOpenmv M7 cam interfacing with At90can128 Controller
Hello, I am looking for guidelines to interface Openmv M7 cam with At90can128 avr microcontroller. If any one has done some work with Openmv M7 or AT90can128, please help me.
View ArticlePIC16F84A with Matrix Keypad.
Hi, I'm designing a security system for a school project, however I'm struggling on how to interface a matrix keypad with a PIC16F84A. I understand that I have to set a column high, and wait for an...
View ArticleFlash programming data in microchip
My requirement is to write into flash memory for dspic33ev256gm106 and bit confused with the following instruction View attachment 131309 TBLPAG register is loaded with write latch 0xFA0000. My big...
View ArticleArduino/Adafruit IR Library Discrepancies - Help?
Hey, me again! I am using an Adafruit Circuit Playground Classic (and it's library) to detect motion with the built in accelerometer. I am attempting to create a motion activated "universal remote...
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