Build a smart waste detection system using ESP32-CAM and AI image processing. Classify biodegradable & non-biodegradable waste in seconds. Free API, full code included.
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ESP32-CAM Indian Currency Recognition and AI Speech
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Build a smart ESP32-CAM Indian Currency Recognition and CircuitDigest Cloud AI. Captures, identifies denomination & announces via speaker. Perfect for visually impaired users.
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Arduino LVGL Tutorial: Build ESP32 GUI Step-by-Step
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Learn how to build a touch-interactive LVGL Arduino GUI on ESP32-C3. Step-by-step tutorial with code, wiring, and troubleshooting for beginners.
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ESP32-CAM Helmet Detection with Cloud AI | Full Guide
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Build a real-time ESP32-CAM Helmet Detection using CircuitDigest Cloud AI, no model training needed. Get WhatsApp alerts with the circuit diagram and full code.
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ESP32 Speech to Text Using AI- I2S Mic & Wit.ai API
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Build a real-time ESP32 speech-to-text system using Wit.ai cloud API. Step-by-step guide with wiring, code, and OLED display for instant voice recognition.
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ESP32-CAM Object Detection with CircuitDigest Cloud
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Build a real-time ESP32-CAM object detection system with the CircuitDigest Cloud API. No model training needed. Step-by-step code, circuit diagram, and troubleshooting tips included.
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ESP32 Voice Controlled Drone with LiteWing and Python
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Build an ESP32 voice-controlled drone using LiteWing and Python. Say commands like takeoff, land, and forward. Vosk offline speech recognition handles the rest. No internet needed.
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Build an ESP32 Interactive Voice Response System Using GeoLinker
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Learn how to build an ESP32 Interactive Voice Response System that works offline. Call a number, press keys, control appliances. Full circuit, code & block diagram.
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ESP32-CAM Attendance System with WhatsApp Alerts
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Step-by-step ESP32-CAM attendance system tutorial with OLED display, rotary encoder, and WhatsApp notifications using CircuitDigest Cloud. Includes wiring, full source code, and FAQs.
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How ESP32-CAM Email Alert: Capture & Send Images on Motion Detection
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Build an ESP32-CAM email alert system that captures images on motion detection and sends them to your inbox via CircuitDigest Cloud , no SMTP, no subscription required.
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ESP32 Cam Capture Image and Send Email in Real-Time
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ESP32 Cam Capture Images and Send Emails in Real-Time with WiFi, OLED Display, and Push Buttons for Secure IoT Photo Alerts.
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ESP32 Bluetooth Jammer with NRF24L01 – DIY Build Guide
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Build a dual NRF24L01 ESP32 Bluetooth jammer from scratch. Full circuit diagram, pin connections, firmware flashing & video demo. Educational RF project for makers & engineers.
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SU-03T Offline Voice Recognition Module Setup Guide
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Build an offline voice recognition system using the low-cost SU-03T module. Full wiring, SDK setup & firmware flash guide. The SU-03T is the cheapest alternative to the VC-02 offline voice module
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ESP32-CAM WhatsApp: Send Images Instantly via IoT
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Learn how to build an ESP32-CAM WhatsApp system that captures and sends images in seconds using CircuitDigest Cloud API. No GSM needed. Full code, circuit diagram & GitHub included.
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DIY ESP32 Speaking Alarm Clock with AI Voice & Wi-Fi
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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.
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Adding WiFi Camera to LiteWing ESP32 Drone – Guide
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Add a WiFi camera module to your LiteWing ESP32 drone for real-time aerial video streaming. Step-by-step wiring, mobile setup, and troubleshooting guide for hobbyists.
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ESP32-CAM Face Recognition Door Lock System using Solenoid Lock
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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.
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DIY WiFi-Controlled Drone with ESP32 and Arduino
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Learn how to build a WiFi-controlled drone using ESP32 modules and MPU6050 IMU. This DIY project offers stability control, smartphone control, and easy upgradability. Get step-by-step instructions and a complete circuit diagram.
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How to send whatsapp message from ESP32?Easy and Free API for WhatsApp
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Send real-time WhatsApp alerts from ESP32 using WiFi and CircuitDigest Cloud. Trigger notifications from sensors without GSM modules, SIM cards, or complex hardware using the free API from CircuitDigest Cloud
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How to send Email from ESP32 for sensor monitoring and status updates
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ESP32 distance monitoring system using an ultrasonic sensor and WiFi to send real-time email alerts via Circuit Digest Cloud API when objects cross safety limits.
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