Hedy articles - 194 total
How do motion sensors detect motion?
Here’s the quick, practical rundown—by sensor type—of how motion sensors detect motion and what’s...
How to remote connect to Raspberry Pi?
Remote connecting to a Raspberry Pi is essential for headless (no monitor) operation. Here's a...
How to control DC motor with Arduino?
Here are two reliable ways to control a brushed DC motor with Arduino—one-direction speed control...
How a quartz crystal works in a microcontroller?
This is a fundamental concept in microcontroller systems. Let's break down how a quartz crystal works...
How small can an FPGA get?
FPGAs can get surprisingly small - from massive high-performance chips down to packages smaller than...
How to wire a momentary switch to STM32?
Here’s a rock-solid, no-mystery way to wire a momentary pushbutton to an STM32, plus simple code that...
How to code and use IMU sensor?
Here’s a compact, end-to-end playbook for coding and using a 6-axis/9-axis IMU on common boards...
How to activate simple electronics with a Raspberry Pi?
Here’s a clear, no-nonsense path to make a Raspberry Pi control and read simple...
How to make a clock in Arduino?
Here are three solid ways to build an Arduino clock, from “works offline & keeps time” to...
How to meaure resistance on a microcontroller?
Measuring resistance with a microcontroller is a fundamental task, but microcontrollers can't...
How many GPIO pins are on the FPGA?
There is no single answer. The number of GPIO (General-Purpose Input/Output) pins on an FPGA depends...
How to simulate STM32?
Short version: there’s no “official” full simulator inside STM32CubeIDE. You’ve got a few good paths...
How to connect Raspberry Pi to wifi using ssh in command line?
Connecting a Raspberry Pi to Wi-Fi via SSH is a classic "headless" setup method. This is especially...
What is the mojar differences between Arduino Uno and ESP32 boards?
The Arduino Uno and ESP32 are both popular microcontroller boards, but they differ significantly in...
How i can creat analog input in simulink to work to microcontroller?
Creating an analog input in Simulink for a microcontroller involves configuring both the Simulink...
What is Debouncing in FPGA?
What is Debouncing? Debouncing is the process of filtering out the rapid, unintended mechanical...
What is the register unit of a microprocessor?
The register unit (often called the register file) is the microprocessor’s fast, on-chip storage that...
How to install Samba on Raspberry Pi?
Installing Samba on a Raspberry Pi is a very common task to allow it to share files with Windows,...
How to connect ultrasonic sensor to Arduino Uno32?
Connecting an ultrasonic sensor like the common HC-SR04 to an Arduino Uno (or any similar board) is a...
How the STM32L476RG Connects to a Laptop?
The STM32L476RG (an STM32L4-series microcontroller from STMicroelectronics) can be connected to a...
How to troubleshoot STM32 hardware errors?
troubleshooting STM32 hardware errors is a practical skill that saves hours. Below is a compact,...
How to attach Arduino to 12v button?
Attaching an Arduino to a 12V button is a common task, especially in automotive or industrial...
How to use external memory with an MCU?
Adding external memory to a microcontroller (MCU) is common when your application needs more storage...
ADC acquisition method in FPGA
Implementing Analog-to-Digital Converter (ADC) acquisition is a fundamental and common task in FPGA...
What is address bus and data bus in microprocessor?
Think of a microprocessor as the brain of a computer. To do its job, it needs to communicate with...
How to connect soil moisture sensor to raspberry pi 5?
Connecting a soil moisture sensor to a Raspberry Pi 5 is a common project for smart gardens and plant...
How to output a variable to console in STM32 debugger?
You’ve got a few clean ways to print variables to a “console” while debugging STM32. The two most...
How to send informarion from LabVIEW to Arduino serial port?
Sending data from LabVIEW to an Arduino over serial (USB or UART) is straightforward with NI-VISA....
Temperature and humidity measurement based on AT89C52 microcontroller
Here’s a compact, field-tested way to build a temperature & humidity meter on AT89C52 (8051) with...
How to effectively deal with crystal oscillator failure in TM4C129X MCU
Here’s a proven playbook for handling a crystal (MOSC) failure on TI’s TM4C129x MCUs: 1) Turn on...