Zero Cross Detection PIC18LF26K83
I have recently started using the PIC18LF26K83 as it has many peripherals that I intend to use in the near future. Currently, I am working to get the Zero Cross Detection peripheral up and running and...
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Timer at 16F1509
Hi, Have to make a little MCU with some small things. Need to have a indication when ex 15 min is reached. Have planed this., Use a 16F1509 ( Spare one i have MCU Running at FOSC 8 mhz. use TIMER2...
View ArticleHW Interface to detect Radio Control Receiver PWM signal
I am using an Arduino Pro Mini to detect a PWM signal from a radio control receiver. The input pin on the Arduino is supposed to be limited to 20mA current with a max current of 40mA. I plan on using a...
View ArticleHelp hacking an LED Cube
Hello, I have an LED cube in the front office at my company. We bought it from a company called Seekway and the only way to write new animations to it is via an SD card. I'd like to control the LED...
View ArticleChange or initialize clock frequency?
Hi, I was wondering if it possible (or recommended practice) to set the CPU clock frequency programatically? I'm working on an STM32F769I-DISC0 (that's a zero not a letter "O" by the way!) and it seems...
View ArticleRed or green LED, with one GPIO on MCU?
It must be something pretty simple to do but i'm bit confused how. I have green and red LED and i want the red one be turned on while GPIO is LOW and green turned on when i put GPIO HIGH. What circuit...
View Article4X4 Keypad Module
I searched for a datasheet of 4X4 Matrix Keypad Module on the internet but I could not find any datasheet. I am looking some good documents to understand 4X4 Matrix Keypad. I know everything is...
View ArticleHow to interface controller with relay
I want to develop a module in which i have to operate 32 relays. 1. Controller ----->Shift Register------>ULN2003------> Relay but i don't want to use shift register. Can some one suggest me...
View ArticleSeeking clarity about DMA on STM32F410RB
I'm perusing this tutorial and read this: We cannot use any arbitrary DMA controller. Instead, we need to pick the controller, stream and channel that are connected to the UART2 TX function. This will...
View ArticleA couple of newbie questions about PSoC
So I have learned enough C++ to be dangerous. @danadak or anybody that knows. I need to know the number of erase/program cycles available to the PSoC CY8C5888LT1-LP097? I ask this because I have to...
View ArticleDo manufacturers no longer supply/sell bound copies of reference manuals?
It seems not but I wanted to check. For example reference manual for the STM32F446xx Family is available as a PDF but it seems there is no printed, bound version. (I pick up a lot of details when I can...
View ArticleVisuino, a block GUI interface for Arduino and other processors
The above is a getting started video. Main page is https://www.visuino.com/ videos towards bottom of page. Note supports many different boards, processors. There is also some hackaday conference...
View ArticleThe Designer's Guide to the Cortex-M Processor Family
Has anyone here read or used this book? I'm particularly interested in lower level mechanisms like privileged mode and so on. Thanks
View Articlesensor read and write byte
Hi There, Suppose you have a temperature sensor that supports spi protocols. sensor will give digital signal by converting the temperature signal. It means microcontroller can read this signals. We can...
View ArticlePing with length >245 bytes ignored by ENC28j60
Hi, Using a ENC28j60 with a cc1352p1 microcontroller and the lwIP stack. I'm trying to ping my device after manually assigning it an IP, and I can ping it and get a response when the number of bytes in...
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1-wire driver ic for resistive touch screen
Hi i need an 1-wire driver ic or programmed mcu for resistive touch screen of friendly arm modules, if any body have source code or any solution i can offer him commission
View ArticleCAN bus does not need a host computer, they say
From Wikipedia: "A Controller Area Network (CAN bus) is a robust vehicle bus standard designed to allow microcontrollers and devices to communicate with each others' applications without a host...
View ArticlePc and microcontroller rs232 communication error when 220v contactor switches
Dear all, I am doing a project in which pc and atmega32 communicate via rs232. The microcontroller send level signal and also receive command to actuate 220v contactor. Every thing is fine until I...
View ArticleBoard connectors
Hi, I'm pretty out of date with a lot of these things and I am unsure on the technical name for the connector strips that appear on boards like the ST Nucelo. The board has... Board connectors
View ArticleCAN Bus specification
hello everybody, I have never used or came across CAN (Controller Area Network) I tried to collect some information about it. I found it to be more commonly used in the industry, automotive domain. I...
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