Non-Contact IR Temperature Monitoring & Remote LED Control via ESP32 & Bluetooth Do you need to manage an output indicator while wirelessly monitoring the temperature without making physical contact? When used with an ESP32, the MLX90614 Infrared (IR) Thermometer makes…
Building a Pocket-Sized Environment Monitor with ESP32-C3, DHT22 & 0.42″ OLED When building micro-DIY projects, finding the sweet spot between a tiny footprint and functional data display can be a fun challenge. In this project, we are building an ultra-compact…
Speed-Controlled RGB Strobe: TME EDU ARD 2 & Arduino Uno R4 WiFi One of the most satisfying beginner-to-intermediate microcontroller projects is controlling addressable RGB LEDs with analog inputs. Physical dial turns can be converted into real-time lighting effects by combining…
DIY ESP32-C3 Retro Mini Game: Play Space Trash on a 0.42″ OLED Display You can play retro arcade games directly on a small microcontroller, so they’re not limited to vintage consoles! In this project, we’re creating Space Trash, a fast-paced,…
DIY ESP32 Bluetooth Audio Receiver with MAX98357A I2S Amplifier Create a wireless Bluetooth sound system out of any passive speaker! This guide will teach you how to use the MAX98357A I2S Class-D amplifier module to construct a high-quality ESP32 Bluetooth…
Build a Sound-Activated Servo Motor with ESP32 and INMP441 Microphone This tutorial will teach you how to use an ESP32-S3 and an INMP441 digital I2S microphone to construct a sound-triggered servo motor control system. The experiment uses non-blocking code to detect…
Ultrasonic Sensor Scanning Radar with TFT Display | Distance Measurement Kit Demo. An Ultrasonic Sensor Scanning Radar with TFT Display is a classic DIY microcontroller project that mimics a real radar system using acoustic sound waves instead of radio waves.…
LAFVIN Smart Robot Car Kit 2WD Wifi ESP32 Camera The LAFVIN Smart Robot Car Kit 2WD is an entry-level STEM and robotics learning platform built around the ESP32-CAM module. It gives you hands-on experience combining microcontrollers, wireless communication, motor control,…
SnapSwitch: Building a Clap-Controlled RGB LED with ESP32 & I2S Greetings from my most recent microcontroller project! In this post, I’ll demonstrate how I used an ESP32 and an INMP441 digital I2S microphone module to create an audio-reactive lighting system…
Read Object and Ambient Temperatures via Bluetooth Serial Using ESP32 and MLX90614 Sensor Have you ever wished to construct your own wireless thermometer without fixed display screens or complex wiring? Non-contact temperature sensing is made simple by the MLX90614, however…
