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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Created by Jayant 4 hours 9 min ago – Made popular 4 hours 9 min ago
Category: Microcontrollers   Tags:

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

https://circuitdigest.com

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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Smart Grid in IoT: Build with Arduino UNO R4 & PZEM-004T

https://circuitdigest.com

Build a smart grid IoT system using Arduino UNO R4 WiFi and PZEM-004T to monitor voltage, current, power, and energy with real-time cloud tracking.

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ESP32-CAM WhatsApp: Send Images Instantly via IoT

https://circuitdigest.com

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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Created by Jayant 2 weeks 1 day ago – Made popular 2 weeks 1 day ago
Category: Microcontrollers   Tags:

Real-Time Hand Gesture Control Robot Using OpenCV and Arduino

https://circuitdigest.com

Build a real-time hand gesture control robot using OpenCV, MediaPipe, Arduino Nano & nRF24L01. Complete project source code, circuit diagrams, and step-by-step guide.

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Created by Jayant 2 weeks 1 day ago – Made popular 2 weeks 1 day ago
Category: Arduino   Tags:

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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Created by Jayant 2 weeks 1 day ago – Made popular 2 weeks 1 day ago
Category: Microcontrollers   Tags:

DIY Handheld Arduino Game Console Full Build Guide 10 Games

https://circuitdigest.com

Build a pocket-sized Arduino game console with 10 arcade games, Snake, Tetris, Pacman & more. Full wiring diagram, Arduino code & step-by-step assembly guide included.

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Optocoupler Tester Circuit: Build, Test & Troubleshoot

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Build a simple DIY optocoupler tester circuit with two LEDs and a 3.7V battery. Test 4-pin and 6-pin optocouplers instantly, no instruments needed. Full diagram included.

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