Build ESP32-C3 text to speech using AI API and the WitAITTS Arduino library. Full wiring, code, and troubleshooting guide for natural voice output.
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ESP32 Drone with Loudspeaker: Build Guide
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Build a Litewing ESP32 drone with a loudspeaker using Bluetooth Stream real-time announcements, voice alerts & audio from the air. No coding needed. Full wiring guide
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ESP32 Text to Speech Using AI: Wit.ai TTS Library Guide
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Complete ESP32 text to speech using AI guide. Learn ESP32 TTS library setup, circuit wiring, code examples for voice-enabled IoT projects with MAX98357A amplifier.
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ESP32 CAM Currency Recognition: Edge AI Arduino Tutorial
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Master ESP32 CAM currency recognition with our Arduino guide. Step-by-step: Edge Impulse training, circuit setup, code deployment for Indian note detection.
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SMS Alert System with Seeed Studio XIAO ESP32 & HC-SR04 Sensor
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Build a WiFi-based SMS alert system using Seeed Studio XIAO ESP32 and HC-SR04 sensor. Send real-time notifications via free API—no GSM module needed. Complete tutorial with code.
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Interfacing Raspberry Pi Pico RTC DS3231 : Easy Setup Guide & Code
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Learn to interface the Raspberry Pi Pico RTC DS3231 using Arduino IDE. Build an accurate digital clock with 16x2 I²C LCD. Includes circuit diagram, code & troubleshooting.
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Smart Energy Meter Using IoT with MQTT Dashboard & Alerts
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Build an IoT-based smart energy meter using ESP32 & PZEM-004T. Real-time monitoring via the MQTT dashboard, SMS alerts for abnormal conditions. Complete circuit & code included.
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Build Your Own ESP32 AI Voice Assistant with MCP Integration
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Build an intelligent ESP32 AI voice assistant using Xiaozhi framework. Includes PCB design, hardware assembly, 3D enclosure, and MCP integration for smart home control.
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Build GPS Tracker with XIAO ESP32-S3: Geofence & SMS Alerts
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Create a Wi-Fi GPS tracker using Seeed Studio XIAO ESP32-S3 & Neo-6M module. Features geofencing, SMS alerts, offline storage. No SIM card needed. Free GeoLinker tracking!
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STM32 Precision Digital Micro Current Meter - Complete Build
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Complete guide to building a precision digital micro ampere meter using STM32. Measures nA to mA with OLED display. Includes circuit, PCB files, firmware & 3D enclosure. DIY ampere meter DC digital.
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Build an ESP32 Text to Speech Offline System
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Build an ESP32 text to speech offline converter with Talkie TTS library. Step-by-step tutorial includes circuit connections, code examples, and troubleshooting.
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Build a Smart Traffic Management System Using IoT
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Learn how to create an ESP32-powered Smart traffic management system using IoT that uses IR sensors for real-time vehicle detection, enables adaptive signal control, and provides a live web dashboard for monitoring traffic flow.
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ESP32 Offline Voice Recognition Using Edge Impulse
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Build an ESP32 speech recognition offline system with Edge Impulse. Create your own ESP32 voice assistant using an INMP441 microphone for hands-free control.
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DIY Meshtastic Using ESP32 : Build Your Own Private Off-Grid Network
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Build a diy Meshtastic node using Meshtastic ESP32 and LoRa devices for secure, long-range, encrypted mesh messaging, perfect for off-grid communication.
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Build a Smart ESP32 GPS Tracker with SIM800L and NEO6M Module
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Build a real-time ESP32 GPS Tracker with SIM800L & NEO-6M Module. Track vehicles, assets via GSM with this complete DIY IoT project featuring code, circuit diagram & testing guide.
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DIY UWB Indoor Positioning System using ESP32 and Qorvo DWM3000
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Build a DIY USW indoor positioning system using ESP32 with the Qorvo DWM3000. This tutorial walks you through hardware, firmware, and Python visualisation to create accurate tracking for robotics and IoT projects.
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Wireless ESP32-Based Stepper Motor Driver with TMC2240
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Learn how to build a wireless stepper motor controller using an ESP32-S3 and TMC2240 driver. This detailed tutorial guides you through wiring, custom PCB design, USB-C PD power management, closed-loop control with an AS5600 encoder, and a browser-based UI with real-time status and RGB feedback. Includes Gerbers, BOM, and full source code.
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Interfacing ESP32 with Thermal Printer using UART ESC/POS
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Technical guide to interfacing ESP32 with thermal printers (PNP-500/RS203) over UART. Explains hardware wiring, power considerations, and implementation of ESC/POS commands for printing text, images, barcodes, and QR codes. Includes detailed circuit diagrams and Arduino code on GitHub.
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