🛠 Features Collect sensor readings (e.g., temperature, humidity) from Arduino. Send data to ThingSpeak via GSM (SIM800A). Works in areas without internet access via Wi-Fi. Can be adapted for multiple ...

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This repository contains the Arduino code for a smart irrigation system using Arduino, moisture sensors, water level, a SIM800L module for SMS notifications, and relay modules for controlling valves ...

Learn how to interface ESP32 thermal printer with complete tutorial. Includes PNP-500 wiring, Arduino code, circuit diagrams, and projects for receipt printing, barcodes, and QR codes. Perfect for ...