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.
Read more »DIY Handheld Arduino Game Console Full Build Guide 10 Games
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How to send WhatsApp Notification Messages fom Arduino | Free API
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Learn how to send instant WhatsApp notifications from Arduino UNO R4 WiFi using an ultrasonic sensor and CircuitDigest Cloud API without GSM or SIM cards.
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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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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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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 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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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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GT-U16 RTK L1+L5 GPS Module with Arduino
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Learn how to interface the GT-U16 RTK L1+L5 GNSS module with Arduino, decode NMEA data, and analyze real-time satellite signals using iNavTool. Covers RTK concepts, RTCM corrections, and practical setup tips, Perfect for DIY navigation, drones, and mapping applications.
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Arduino GPS Tracker using SIM800L and NEO-6M
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Learn how to build an Arduino-based GPS tracker using the SIM800L GSM module and NEO-6M GPS module.
A complete guide with circuit diagrams, code, and working explanation to set up your GPS tracker.
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Interfacing the A7672S 4G LTE GNSS Module with Arduino
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Learn how to interface the A7672S 4G LTE GNSS module with Arduino for real-time GPS tracking and cellular communication.
This tutorial covers AT commands, SMS, voice, HTTPS requests, and circuit design—ideal for IoT projects in remote or mobile environments.
Compatible with Jio, Airtel, and VI, it's perfect for Indian makers and embedded developers.
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