Adding an antenna to ESP32 can improve Wi-Fi and Bluetooth reliability when the board is installed far from an access point, placed inside an enclosure, or surrounded by components that …
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Adding an External Antenna to ESP32: U.FL, PCB Modifications, and Placement
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ESP32-S3 Analog Input Leakage Current: High-Impedance ADC Design
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How to Power an ESP32-S3 with AA Batteries
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How to Connect IR Proximity Sensor with ESP32
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ESP32-C3 Super Mini Getting Started Guide: Pinout, Arduino IDE Setup, and Built-In LED
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Arduino 128×64 LCD Interfacing Using the ST7920
A 16×2 character LCD is enough when you only need to display a few numbers or short messages. However, once your project needs icons, graphs, progress bars, larger fonts, or …
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Sensor Reading Filtering (Arduino & Embedded Systems)
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Using the MH-ET LIVE Scanner 3.0 (QR/Barcode) with Arduino
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CISC vs RISC for an Arduino User
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How to Use the PT100 RTD with Arduino Cloud
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Raspberry Pi Pico vs Raspberry Pi Pico 2: What's the Difference?
The Raspberry Pi Pico 2 looks almost identical to the original Raspberry Pi Pico, but underneath is a significantly more capable microcontroller. The original Pico uses Raspberry Pi's RP2040, while …
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RP2040-Zero Getting Started Guide: Pinout, Arduino IDE Setup, and RGB LED Blink
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Connect L298N to Raspberry Pi 5: Control DC Motors with Python
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How I Built an Alexa-Like Voice Assistant Using Raspberry Pi 5 and an LLM
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Using Raspberry Pi Pico as an HID to Control Mouse Movements and Keyboard Strokes
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Raspberry Pi Pico Access Control System Using the Elecrow Pico Advanced Kit
Access control systems are commonly used in offices, schools, laboratories, apartments, and industrial facilities. At the center of these systems is a controller that decides whether a person is allowed …
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ESP32 Time-of-Flight Sensor Tutorial (VL53L0X / VL53L1X Distance Measurement)
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How to Use an NPK Soil Sensor with ESP32
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ESP32 + INMP441 I2S Microphone with Live Web Graph
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ESPectre Tutorial: Motion Detection Using Wi-Fi Signals (ESP32 + Home Assistant)
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Using a 2-in-1 USB to RS232/RS485 Converter for Embedded Debugging
When developing embedded systems, a USB-to-UART converter is probably one of the first tools you will add to your workbench. However, UART at 3.3 V or 5 V logic levels …
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Linked List Visualizer for Embedded Systems
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Ring Buffer Visualizer for Embedded Systems
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ESP32 Pinout Diagram | ESP32-CAM
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ESP32 Pinout Diagram | ESP32-WROVER