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.
Read more »Build an ESP32 Interactive Voice Response System Using GeoLinker
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Category: Microcontrollers Tags:
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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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Build an Automatic Waste Segregation System Using Arduino
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Build an automatic waste segregation system using Arduino UNO Q, Edge Impulse & a servo motor. Sorts Paper, Plastic & Cardboard-full circuit & code inside.
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Arduino UNO Q Guide: Specifications & Face Detection
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Explore Arduino UNO Q specifications, block diagram, power supply details, and a step-by-step face detection tutorial using Arduino App Lab. Perfect for beginners and experts alike.
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A Simple DC-DC Boost Converter Circuit using 555 Timer IC
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In this project we build a simple boost converter circuit using a 555 timer IC. Boost converter is a non-isolated type of switch mode power supply that is used to step-up the voltage.
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Full Adder Circuit: Theory, Truth Table & Construction
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In a Full Adder Circuit, we can add a carry-in bit along with the two binary numbers. We can also add multiple-bit binary numbers by cascading the full adder circuits, which we covered in this tutorial
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Interfacing TMC2209 Stepper Motor Driver with Arduino UNO
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Learn how to control stepper motors using TMC2209 and Arduino UNO. This beginner-friendly guide covers wiring, code, microstepping, and sensorless homing basics. Useful for 3D printers, CNC machines, camera sliders, and smart home automation.
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How to Interface RTC Module with Arduino to build Digital Clock
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In this article, we discussed how the RTC Module works and how we can interface it with Arduino to build a DIY Arduino digital clock.
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Soil Moisture Sensor Arduino: Circuit Diagram, Code & Projects Guide
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Complete Arduino soil moisture sensor tutorial with circuit diagrams, working code, troubleshooting tips and project ideas. Learn wiring, calibration & build automatic watering systems.
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Building your own Sun Tracking Solar Panel using an Arduino
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In this Arduino project, we will make a sun tracking system which will help the solar panels generate maximum power.
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