Configuring External SPI RAM on ESP32 for Buffering Large Sensor Datasets in Arduino
A stable 1 kHz sensor log demands PSRAM—discover how external SPI RAM buffers prevent data loss during SD writes.
Integrating Touch Pad Inputs on ESP32-Based Arduino Boards for Capacitive User Interfaces
No wires, no buttons—just tap a hidden foil pad to wake your ESP32 and control any project with touch; discover how to build and fine-tune the circuit now.
Using ESP32 Hall Sensor and Temperature Monitor for System Health Feedback in Arduino Code
A simple Arduino sketch reveals hidden ESP32 health clues through Hall sensor and temperature shifts—what your microcontroller isn’t telling you might surprise you.
Controlling WS2812B LED Strips With ESP32 RMT Peripheral in Arduino Without Interrupt Jitter
I control WS2812B LEDs with pixel-perfect timing on ESP32—discover how RMT eliminates jitter even during WiFi spikes.
Implementing I²S Audio Input on ESP32 Using Arduino for Sound Level Analysis
By tapping into I²S audio with an INMP441 on your ESP32, you can capture studio-quality sound—discover how to transform raw data into precise, real-time sound level analysis.
Building Low-Cost Data Loggers With ESP32 and External FRAM Instead of EEPROM
Tiny but tough, this logger uses FRAM’s 100 trillion write cycles to outlive EEPROM—discover how to build it right.
Leveraging ESP32-PICO D4 System-in-Package for Ultra-Compact Arduino-Compatible Designs
One tiny 7×7 mm package holds dual cores, Wi-Fi, Bluetooth, and Arduino compatibility—discover how to build smarter with minimal components.
Programming ESP32-S3 With Arduino for Ai-Enhanced Voice Recognition at the Edge
Getting started with voice recognition on ESP32-S3 using Arduino—discover how to deploy AI at the edge with low latency and high accuracy.
Using ESP32-S2’s Native USB OTG Support in Arduino Projects for Direct PC Communication
Native USB OTG on ESP32-S2 slashes costs and boosts speed—discover how skipping external chips unlocks seamless 12 Mbps communication.
Configuring ESP32-CAM With Arduino IDE for Motion-Triggered Image Capture and Upload
No power, no pictures—discover how a single capacitor and clever wiring unlock flawless motion-triggered snapshots from your ESP32-CAM.
