Cannot read/write winbond W25x16 SPI Flash
Hello Everyone, I am trying to interface winbond SPI Flash w25q16 with STM32F103RC using CubeMX. After doing some research i chosen these two links as for my reference. Here is the link i am following:...
View ArticleUSB camera module to MCU via SPI/I2C adapter
Hi all, Has anyone had any success getting a usb camera to talk to a MCU via a USB to SPI/I2Cadapter module? If not, would this work...eventually? Thanks
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general I2C & SPI communication flow chart
Hi, there! I'm now Drawing the flow chart for general I2C communication first. The picture is attached that write data to salve device Is this idea correct?
View ArticleXantrex C40 CM meter interface to Arduino controller
I have a camper at a remote location that uses a Xantrex C40 controller to charge (solar and wind) a 230AH battery bank. I have remote access via the internet to an Arduino controller and would like to...
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Need pseudo code to check ACK or NAK and to generate ACK or NAK i2c...
I am looking pseudo code to check ACK or NAK and generate ACK or NAK in i2c communication as given in diagram The master issues Start, then sends the slave address and slave sends a single ACK or NAKa...
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general I2C communication flow chart
Hi, there! I'm now Drawing the flow chart for general I2C communication first. The picture is attached that write data to salve device Is this idea correct?
View ArticleFinding intermittent faults in PIC PCB Peripherals OSHONSOFT
Hi, I have a PCB, with 2x PIC on, 18F4620 and 18F4431. The 18F4620 has SPI peripherals: Altimeter, Compass, Radio and Screen. Also is an incremental encoder on 18F4431 connected via software serial...
View Articlegeneral SPI communication flow chart
Hi, I want to create SPI communication flow chart to get basics of communication. I have already created one for I2C...
View ArticleArduino keeps resetting if pwm is enable
hi i am trying to build an mppt charger using arduino nano and right now i am having a problem with my mppt. i already test all the components and working fine. the current sensor is okay and also the...
View ArticleMicrocontroller/Programming help needed! simple DIY project
Howdy, so I am currently working on a small project to build a binary clock style watch. I am pretty new to circuitry and building small circuits. I do know some python and have been toying around with...
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 Articleusing reset pin on low pin count avr chips
Hi, I'm trying to figure out whether I can use the !reset pin on an attiny45 and still have the ability to reprogram it, I figured out I can set a fuse to use it as a data pin, but then it's bricked as...
View ArticleHow to control two Arduino uno at the same time?
For example, I wrote a program that do as follow in both arduino's: for(int i=o;i<=100;i++){ delay(2000); } So, if i use a keypad with Arduino a and whenever i press on the key that trigger the loop...
View ArticleHow can I use Arduino Uno and load cell amplifier with Lcd 16*2 ??
How can I use Arduino Uno and load cell amplifier with Lcd 16*2 ??
View ArticleCooking a Roast
Yes, this really has to do with microcontrollers, and I will post code to prove it. I am working on a digital cooking thermometer, which will primarily be used for roasts and such. Frying is easy to...
View ArticleResistance value difference, why?
Hello, I have trying to download the software through JTAG connector into PCBA, where the PCBA working fine. But, I got an error in the UDE says that the micro-controller is can't able to connect to...
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Programing mcu over application
Hi, i want to allow to other users to edit parts of my mcu. How should i program it so i could create utility app to change some info that it sends out.. Something like this :
View ArticleWrite data to LCD & Flow chart
Hi, there! I'm now Drawing the flow chart for LCD 16*2. The file is attached that write data to LCD commands link Please find flow chart in attachment. Is this a correct idea?
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 ArticleProgramming MSP430 mini board
Hey, How can I program this board I've recently bought. It doesn't look like a real MSP430 board, on the back just writes "mini" (see atached images below). Where to find driver, pinout and everything...
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