18F4620 SPI SCK not working properly Oshonsoft.
Hi, I've been programming modules e,g, GPS Compass etc, on 18LF4520 PIC. They all work but need more work. I now use 18F4620 PCB which has enough memory to put all of the modules on. My method is a cut...
View ArticleProgramming device
Hello I need to programme a ST10 IC. What tool and the hardware can use that? Anybody can help me?
View Articleparallel slave port/usrt in pic16f877
Hello everyone, I'm trying to design a circuit with pic16f877 with parallel slave port and this is the design I have : and this is the C code for this circuit : Code (C):...
View ArticleLooking advice to program PIC Microcontroller
I want to learn programming with hardware. I bought the pic development board and Pik kit 3 Programmer. https://www.amazon.in/gp/product/B06XQP8KS7/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1...
View ArticleGPIO Voltage Tolerance on a PIC
Hi All, What would occur if you exceeded the Vcc requirements for a PIC on the Digital I/O ? (TTL input levels and full CMOS output drivers) The datasheet says the following - would this prevent the...
View Articlepic24 basic data type, uint8_t or uint16_t
Hi guys First time using a pic24 here, I know what I should use uint8_t on a pic18 where possible, because pic18 is a 8bit mcu, and this is most efficient. It's the basic data type in 8bit mcu, eg the...
View Articleftdi usb-rs232-pcba with ATmega324P USART connection
Hi all, I have a very weird problem. I am using Codevision AVR to run the USART with ftdi usb-rs232-pcba. I have initialized every thing and using hTerm terminal and it works correctly. When I short...
View ArticleAdvice on button debounce interrupts
I'm having a bit of trouble getting this little circuit working, and I think it's because of switch bouncing (couple that with that the switches them selves are of very poor quality) I choose only to...
View Articlepic24fj datahsheet not as good as pic18?
Hi guys Just start using a PIC24FJ128GA610 here, I find the datasheet if not as good as pic18. For example I need to setup 1ms timer interrupt for my time base. For pic18, I can find everything I need...
View ArticleBest tool chain in embedded system- Keil, GCC, IAR ?
I am fledging embedded system engineer. I came across different tool chains as listed above. I came to know that some are open source tool chains some are licensed. which would be best tool to use...
View ArticleButton press duration after a PIC interrupt
Hi all, It has been awhile. Awhile back I wrote a ISR program that tests whether a button press is debounced. but now, I want to modify the program to test how long the button is pressed, after the...
View ArticleRemote control by location (PIC in Oshonsoft)
I'm making a couple of PCBs BASE/TRANSMITTER and REMOTE/MODEL RECEIVER using surface mount components, and PICs, for use as remote control by location (3D). Remote control by location, is when a...
View ArticleI have a LPC922F MCU
Have a nice I am so sorry to ask this question since this is not a exact forum for this I have a LPC922F MCU I need to know what is the best IDE that I can use to program this MCU What is the best...
View ArticleHCS12 Microcontroller
I have used this particular ucontroller at school and was thinking about buying this board. Does anyone have any thing good or bad to add about it? Thanks http://www.evbplus.com/hcs12.html HCS12...
View ArticleProblem to use Arduino UNO library modbus on an Arduino ZERO
Hello everyone, I try to use this library : https://github.com/jossef/arduino-modbus-slave/tree/master/ arduino-modbus-slave (for Arduino UNO) with an Arduino ZERO. And it don't works correctly(I meet...
View ArticleTrying to switch 31V/116mA though a ULN2803 with RaspberryPi GPIO
Hi, I'm playing around with trying to make a set of LED xmas lights flash using a Raspberry PI GPIO pin. I've purchased a cheap set of lights from Target. The power supply states: Output 31V 116mA...
View Articlewhat is purpose of arm-none-eabi-gcc-ar, ranlib and nm
Hi i installed the arm gcc toolchain and came across variant of gcc under bin folder of arm-gcc. Following are the files. I know the purpose of gcc executable only which is for compiling .c and .h...
View ArticlePreventing false triggering a function
Hi All, how can i prevent aWeld() functioning from false triggering. Code (Text): #include <Arduino.h> #include <EEPROM.h> #include <NTC_Thermistor.h> #include...
View ArticleMachine vision systems
I have a background in electronics and I am comfortable with a programming language. I want to make and sell my own product on the market. there is a lot demand for Vision system in my country I am...
View ArticlePIN status of raspberry pi help
I want to store the record the GPIO PIN of Raspberry 3 when it become High python code Code (Text): from time import sleep import RPi.GPIO as GPIO import mysql.connector import datetime import...
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