Circuit Splash

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.

Build ESP32-C3 text to speech using AI API and the WitAITTS Arduino library. Full wiring, code, and troubleshooting guide for natural voice output.

Build a Raspberry Pi Pico text-to-speech using AI. Full tutorial covering circuit wiring, WitAITTS Arduino library, source code, and troubleshooting.

Build an ESP32 speech recognition offline system with Edge Impulse. Create your own ESP32 voice assistant using an INMP441 microphone for hands-free control.

Learn how to build a Face ID-controlled digital door lock using ESP32-CAM, relay module, and solenoid lock. Step-by-step guide with circuit diagram, Arduino IDE setup, and full code for a secure IoT-based access system.

Build a smart ESP32 speaking alarm clock using XIAO ESP32-S3, Wit.ai TTS & MAX98357A. Announces time & custom messages aloud. Step-by-step wiring, code & web UI guide.

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.

This step-by-step tutorial walks you through creating a real-time GPS tracker using the budget-friendly Raspberry Pi Pico microcontroller, Neo 6M GPS receiver, and SIM800L GSM module. Learn circuit wiring, Arduino IDE setup, GeoLinker cloud integration, and offline buffering to ensure reliable IoT tracking anywhere.

Master ESP32 CAM currency recognition with our Arduino guide. Step-by-step: Edge Impulse training, circuit setup, code deployment for Indian note detection.