micrcontrollers

Hi everyone! I’ve been working on a microcontroller-based project that was rock solid on a breadboard,, but I’ve hit a bit of a mystery after moving the design to a custom PCB. While the jumper-wire prototype felt very stable, the PCB version is behaving unpredictably—specifically during...

I’m working with a Nextion Intelligent series HMI display, and I want to create a fixed status bar at the top of the screen that stays visible across all pages. The status bar should include elements such as: Clock and date WiFi signal icon System indicators (loader, status icons, etc.) Any...

Hi everyone, I'm trying to generate output frequencies from 0 Hz to 10,000 Hz using STM32F407VET6 with Timer2 in Output Compare Toggle Mode. The timer clock is 84 MHz. I need to achieve: 0.1 Hz resolution up to 10 kHz Ideally, also support 0.001 Hz resolution at lower frequencies The...

Hello! After a little back and forth, I’ve decided on trying my luck with RFID for identifying Chess Pieces on a board. I’m thinking of using PN532 RFID readers to identify the tags under chess pieces. These PN532’s would be plugged into their own little microcontroller, and then those would...

hello, I'd like to know what's the best combo between a microcontroller and a 1280x800 MIPI LCD screen like this. Is the ESP32 powerful enough to run that display, knowing that the image on the display will update quite frequently? what microcontroller (with WIFI connection) is best for that...

Goodmorning, I'm working on a project for my studies in electronic engineering, I am looking at a PCB of a qr scanner and trying to debug it in order to use it with a microcontroller (esp32). The output of the scanner is usually taken from a usb port, but on the PCB there are also 4 others pin...

Can tell how to know emmc pinout because am do search of data sheet of t48 programer and not find it

What is the best universal programmer of 2024. I did some research and saw 809H. I want to buy a universal programmer that will help me with any electronic chip I want to program, What is your recommendation?

Hi, I'm working on a setup with a filter and some electronics to get an analog signal ready for a ST microcontroller (STM32H723VG). I want to simulate everything, even the part inside the microcontroller that handles the signal. But the problem is, I can't find the info I need in the...

Hey! starting my journy on Arduinio.When i tried to connect my joystick, and read the values from it,I gaet the whole range on X. My problem is with Y: Resting pposition indicates 0, and if i move the joystick down it shows the value 512. if I move it upwards, the value does not change. where...

I am using PIC16F877a microcontroller. My aim is control the servo motor with pwm signal. I can create the pwm signal with RB0 pin with ccs c code. I have tried the ccp1 module to create pwm signal but I could'nt. Why does not work. And I have a question about these two ways to create pwm...

I am using USB2244 chip. I detected the following problem: There is 1.8V observed at pin 13 and 34 which should normally be the case (1µF capacitors are connected as according to the data sheet) , USB is not detected . I changed the pin13 capacitor (1uf to 1nf) and pin34 (1uf)., USB is detected...

can you please identify this IC because there is nothing written on it or you can suggest me a substitute with the same pinouts. This circuit board is used in 8 program flashing led lights adapters.

We have hydraulic steering system with small motor atop it. This system will be mounted in about Five truck models. All truck models will have same steering software but different values for calibration parameters. Supplier will deliver steering ECUs to OEM manufacturing with steering software...