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4
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1.5 hrs
Recent Premium Lesson
ESP32 Deep Sleep Implementation
Learn how to manage power consumption while maintaining sensor readings.
Upcoming Schedule
Circuit Wiring & Multi-meter Check
May 5, 2026 - 18:00 WAT
Course Catalog
Search through our full catalog of 50 hardware and programming modules.
Automated Plant Watering System
Uses a soil moisture sensor to drive a water pump when the soil gets too dry.
Ultrasonic Radar System
Uses an ultrasonic sensor on a servo motor, displaying objects on a PC screen via Processing.
Bluetooth-Controlled RC Car
Moves via commands sent from a smartphone app over an HC-05 Bluetooth module.
RFID Security Access System
Grants entry using an RC522 RFID reader/tag and a servo motor.
DHT11 Weather Station
Reads temperature and humidity, displaying values on an I2C LCD screen.
Digital Alarm Clock with RTC
Uses a DS3231 Real-Time Clock module and buzzer for alarms.
Line-Following Robot
Uses TCRT5000 IR sensors to follow a black line on a white surface.
Solar Tracking System
Uses LDR sensors to adjust the angle of a solar panel using micro-servos.
Arduino Electronic Piano
Uses a piezo buzzer and push buttons to play musical notes.
Pulse/Heart Rate Monitor
Reads a pulse sensor and displays the BPM on an OLED display.
Smart Dustbin
Uses an ultrasonic sensor to automatically open and close a trash bin lid via a servo.
Voice-Controlled Home Automation
Uses an HC-05 Bluetooth module paired with an Android app for voice commands.
Obstacle-Avoiding Robot
Changes direction when the ultrasonic sensor detects an obstacle in its path.
Data Logger with SD Card
Saves temperature and pressure sensor data continuously onto an SD card module.
Digital LUX Meter
Measures light intensity using a BH1750 sensor and an LCD.
Contactless Thermometer
Measures object temperature using an MLX90614 IR sensor without touching.
AC Light Dimmer
Controls 220V lamp brightness using an Arduino, zero-crossing detector, and a TRIAC.
Electronic Password Safe
A security box that requires a 4-digit password entered via a 4x4 keypad.
Ultrasonic Parking Assistant
Blinks LEDs and sounds a buzzer progressively closer to an obstacle.
Color Sorting Machine
Uses a TCS3200 sensor and servo motors to separate colored objects into different bins.
ESP32 Web Server
Hosts a built-in webpage to toggle LEDs or relays directly over Wi-Fi.
IoT Dashboard on ThingSpeak
Pushes sensor data to an online dashboard accessible from anywhere.
ESP32-CAM Surveillance Camera
Streams live video over the local Wi-Fi network.
Telegram Smart Home Bot
Toggles relays based on messages received from the Telegram app.
Smart Weather Data Collector
Retrieves weather parameters and uploads to an IoT analytics platform.
Micro-Web Server with WebSocket
Enables real-time, low-latency device control without page refreshes.
Cloud-Based RFID Attendance System
Sends scanned RFID data to a Google Sheet using webhooks.
Smart Plug with Energy Monitor
Measures current using an ACS712 sensor and publishes the reading to an MQTT broker.
Wi-Fi Packet Sniffer
Monitors MAC addresses to detect devices in the vicinity.
Voice-Controlled Relays (Alexa)
Uses the fauxmoESP library to turn connected appliances on via Alexa.
Internet Wi-Fi Radio
Streams online radio stations using an ESP32 and an audio module.
BLE Beacons Scanner
Scans and logs Bluetooth Low Energy (BLE) tags in range.
GPS Asset Tracker
Publishes GPS coordinates to an online mapping API over an ESP8266.
E-Paper Real-Time Stock Ticker
Pulls financial data and displays it on a low-power E-Ink display.
OTA Update System
Uploads new programs to the board over Wi-Fi without a USB cable.
Real-Time Crypto Ticker
Displays the current price of major cryptocurrencies on an OLED screen.
Smart Notification Indicator
Blinks a Neopixel ring when you receive specific emails or notifications.
Environmental LoRa Gateway
Receives data from remote LoRa sensors and relays it to an MQTT server.
Wi-Fi Deauther
Scans and disconnects unauthorized devices from a selected local network.
Plant Monitoring with Alerts
Sends an email notification if the soil is too dry or temperature is too high.
Retro Gaming Console (RetroPie)
Transforms your Raspberry Pi into an emulator for classic arcade games.
Network-Wide Ad Blocker (Pi-hole)
Protects all network-connected devices from trackers and ads.
Personal NAS
Turns a flash drive into a shared network drive across your home.
Magic Mirror
Displays a clock, weather, and news widgets behind a two-way glass mirror.
Home Automation Hub
Integrates different smart home devices on a local server using Home Assistant.
Timelapse Camera Station
Captures beautiful, high-definition timelapse videos with a Pi Camera module.
Personal Web Server
Hosts personal web pages locally or connects to a free dynamic DNS service.
VPN Gateway
Allows secure, private internet routing while connected to public Wi-Fi networks.
Automated Pet Feeder
Dispenses pet food on a schedule utilizing a stepper motor driver.
Desktop Computer Replacement
Uses the native Raspberry Pi OS and graphical environment for daily computing tasks.
My Library
Access all your subscribed modules, tutorials, and circuit files.
Smart Automated Home System
Complete schematic containing relay switches, motion sensors, and I2C LCD displays.
Access SchematicsESP32 IoT Weather Station
Display metrics online with custom data logging logic files.
Access SchematicsArduino Library Integrations
Download custom written classes and functions for microcontrollers.
Download LibraryCustom Code Request
Review the status of your microcontroller's logic requests or submit a new one.
Request History
ESP32 BLE Door Lock
Components: ESP32, Servo Motor, LCD
Tutoring and Troubleshooting
Book new sessions or review your prerequisite hardware checklists.
Book New Session
Required Hardware Checklist
Before scheduling, make sure you have the following test equipment available:
- Variable Bench Power Supply
- Digital Multimeter & Test Leads
- TTL to USB Serial Debug Converter
Settings
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