Make Sensor Display the readings through smartphones
Hello Everyone I am using this wireless sensor which is connected with my PC and by using the Utility software provided by company, I am able to check the readings But as this sensor has inbuilt...
View ArticleProgramming stm32 chips with NUCLEO board
I want to program just a few (5-6) stm32 chips for a project and i currently program and test code on a nucleo board. Can i just desolder the chip from the nucleo board and solder the next chip to...
View ArticleBody movement sensor
Hello' I am new with this embed system. But i hope thus will make logic. Is there any sensor which can detect the movement of body which is in rest. Like if i am resting and suddenly i make move like...
View ArticleSpeed Control of single phase AC induction motor - Possible options?
Hi all, So I'm working on a project titled "Controlling the speed of a single phase induction motor". Supply to motor is a 230V,50Hz single phaseAC. While researching on the internet I came across this...
View ArticleSTM32 Nucleo GPIOs, 5V Tolerant?
Hi, I will use the STM32L432KC nucleo board to perform some tasks. STM32 users know that this is 3.3V microcontroller. One of the tasks is to read a speed optical sensor which output a 5V square wave....
View Articleinitialization lcd 44780 avr
Can i initialize 44780 like so Code (Text): #include <avr/io.h> #define F_CPU 16000000UL //16MHz #include <util/delay.h> int main(void) { DDRD = 0b11111100; PORTD = 0b00000000;...
View ArticleADC INJECTED Wrong values reading
Hello everyone i have a question, i am using 3 Ranks ADC injected mode for reading potential resistors.. with stm32f103c8 the problem is when ever i change one value it affects the other channel...
View ArticleProving the Read/Write to EEPROM Using PIC16F18877
Hi People, mature PIC & C Noob here, I've worked through the LED Test progs (fine), Connected the EUSART/terminal (fine), switched the LEDs via terminal (fine), but my project will also require...
View ArticleChoosing The Right Embedded Development Board
Hi all, I have to learn programming for embedded software development for ARM processors. So I need to buy an ARM development board to do programming at home. I'm thinking of buying a STM32 board....
View ArticleProblem for interfacing 4 " Common Cathode 7 Segment Display with Arduino ....
I have a 4 inch Common Cathode 7 Segment display and i don't know how to interface large size common cathode Seven segment displays . I am searched about this but most of them saying that In large...
View ArticleMicrochip MDD Error upon Build
Hello all, Thanks for reading my post. I have been slowly working w/ the book SD projects using the Pic microcontroller by Dogan Ibrahim. I am using MDD libraries v2013.06.15 v3.47 and C18. I am using...
View ArticleHow ADC value stores inside ADRESH and ADRESL register for pic16f877a
I am trying to understand how adc works and also trying to make an ADC function If the result is Right justified can anyone describe how the adc value stored?? And IS ADRES is a valid MCU register?? If...
View ArticleHow to take inputs faster using Raspberry Pi
I am trying to detect different frequency signals using a Raspberry Pi and an ADC converter (PCF8591). My initial guess was the highest frequency I could detect would be limited by the speed of the I2C...
View ArticleForward, Reverse, Stop Functions using Relays and Limit Switches
Hi Community This project uses : - Uno -2 Relays to Control 1 Motor with Forward, Reverse and Stop controls. -LimitSwitch1 should stop the motor at the maximum forward position and wait for Reverse...
View Article(SOLVED?) Enhanced Mid-Range Linear Memory Problem
Chip: 16F1827 IDE: MPLab 8.92 Language: MPASM I have been trying to use Linear Memory (RAM) accessed by the FSRn registers. Here is a snippet of the code: Code (Text): InitBuff ;FSR0 =...
View ArticleCheapest MCU according to my project's constraints
Dear members of the forum, I am looking for the cheapest MCU with the following constraints: Program Memory Type and size: Flash, 3K SRAM bytes: 128 bytes Watchdog timer: yes, programmable Sleep modes:...
View ArticleMicro controller for Solar & Emergency Bulb
I need some suggestion about micro controller for two of my projects 1) Solar based street light 2) Emergency Bulb Description 1) Solar based street light- I want to develop a 9W street light which...
View ArticleERC802-1 Serial I2C LCD
Does anyone have any experience with this lcd ? I can't get mine to work !!!!!
View ArticleUsing 16f690 pic / interfasing key pad and 2 x 7 segment displays , problem
, good afternoon. I need some help please or ideas. The code below Works well for 1 7 segment display. I press the number in the key pad and the number is shown without problem. I am adding a second 7...
View ArticleHaving problem with writing eeprom memory
I am trying to write atmel at28c256 on breadboard so I tied all address lines to ground, and all I/O lines also tied to ground. I untie I/O lines for reading, tie 'WE to high, 'CE to low, and 'OE to...
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