Problem with Arduino Nano Coding
i'm doing voltage indicator but the input voltage is different from output voltage show on lcd display. can someone help me how to solve the problem? Code: // include the library code: #include...
View ArticleTrying to understand why bit shifting allows PWM output to work correctly
Hi, student new to pic here. I've written a simple piece of code that reads the value of a potentiometer using ADC and generates a PWM output to dim an LED. C: void main(void) { // initialize the...
View ArticleHow to resolve hardware resource conflict in Multi-core embedded system?
Our application is Advanced Drive Assist Systems(ADAS). Our Electronic Control Unit(ECU) contains Two Renesas RH850 / U2A16 Microcontrollers. Each microcontroller has Four cores. Our Embedded Software...
View ArticleSTM32 and LWIP help with CubeMX
Looking for help with the STM32 platform and LWIP when using CubeMX. I have been trying to find a demo that works. Unfortunately, all the demos are pre CubeMX. I have tried to reverse engineer it and...
View ArticleInterfacing 433MHz RF Module with PIC16F688
I am trying to interface the RF module which comes with Transmitter (FS1000A) and Receiver (MX-RM-5V) in pairs and interfacing with 2 sets of the circuit consists of 2 PIC16F688. After sourcing the...
View ArticleNUCLEO-STM32F767ZI no ST-LINK detected problem
I have just purchased STM32 nucleo board F767ZI. I have generated cubeMX project and opened it using Keil uVision. I have used all default settings for projects and connected the board to my PC using...
View ArticleCovert from analog to digital control using arduino
How can I convert this circuit to digital using arduino ? It has two stage : the first generate triangular wave then generate pulses
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Staircase LEDs using Arduino
Hello AAC forum, Started this project using PIR sensors to trigger a 555 timer that turns on LEDs for twenty seconds for a walker on a staircase. But then the concept of directionality popped up and it...
View ArticleHID Mouse Emulation
I want the esp32 to emulate a hid compatible USB mouse on windows. can I somehow use CP2102 USB UART and ESP32 Wroom SoC to make this possible? Please give some suggestions. Thanks
View ArticleFirst time interfacing MCU with external SDRAM
(Links are component datasheets or application notes.) I have a project using the STM32H series MCU that requires external SDRAM for data storage. Due to the size, the PCB is going to cost near $1,000...
View ArticleESP8266-01 Interrupts
I'm trying to setup interrupt in arduino based environment using board ESP8266-01, based on help i found on different sites i wrote following code, but when i program my device it continuously shows...
View ArticleSending power over data, 24 volt Dc communication
How, can i send data through power supply cable( 24 Volt DC) for communicating between 2 microcontrollers ? Tried with rs 232, manchester encoding, In transmitter side, with capacitor coupling to power...
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NUCLEO-STM32F767 debugging using Keil printf undefined
Hello. I have bought this nucleo board and learning c programming. I am using internal st link to program the microcontroller. However, right off the bat I have noticed that I am not able to use printf...
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Circuit fails after adding 7805
Noob at the helm. I am attempting to use an Atmega328 on a board. I have the same circuit designed without the 7805 and it is fine. I tried to add the 7805 in and I get a convergence failed error after...
View ArticleBrown-out detection with an external clock ATmega1280
I'm using ATmega1280 with an external clock and I have some questions about the "safe operating area" for preventing EEPROM corruption with BOD. The external clock is: Crystals 14.7456MHz 18pF HC49S...
View ArticleI2C bit banging and interfacing analog ADC
1. I need to interface NAu7802 datasheet attached. 2. MCU is operating at 16Mhz, writing I2C code by bit banding. 3. took reference from Microchip AN1488 note for bit banding and wrote below code. 4....
View ArticleWalsh Functions for RMS calculation
I'm working in an application similar to the one described in the paper attached. Does someone have experience using Walsh Functions for RMS calculation? I think they are not used much in the industry...
View ArticlePICKIT3 with 74LS inputs connected to PGC and PGD
Will the PICKIT3 be OK programming and debugging with a 74LS input on each of the PGC and PGD connections to the target? The 74LS is driving LEDS so the LEDs will flicker but that doesn't matter.
View ArticlePIC16f676 I attach potentiometer 10k but its not working any one please help me.
C: #include <HTC.H> __CONFIG(0x3E54); //PWRTEN #define _XTAL_FREQ 4000000 #define LED1 RC0 //PIN NO10 #define LED2 RC1 //PIN NO9 #define RELAY RC2 //PIN NO8 #define ECHO RC5 //PIN NO5 #define...
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