Build a dual NRF24L01 ESP32 Bluetooth jammer from scratch. Full circuit diagram, pin connections, firmware flashing & video demo. Educational RF project for makers & engineers.
Read more »ESP32 Bluetooth Jammer with NRF24L01 – DIY Build Guide
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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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