Build an Arduino robotic arm with servo motors, 3D-printed parts, a circuit diagram, and complete code. Step-by-step DIY tutorial for pick-and-place robotic arm operations.
Read more »DIY Arduino Robotic Arm: 6 DOF Build Guide with Code
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ESP32 Text to Speech Using AI: Wit.ai TTS Library Guide
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Complete ESP32 text to speech using AI guide. Learn ESP32 TTS library setup, circuit wiring, code examples for voice-enabled IoT projects with MAX98357A amplifier.
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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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PCA9306 Module with Arduino Uno: Wiring Guide & Code | Level Shifter
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Interface PCA9306 module with Arduino UNO. Complete wiring diagram, pinout, code & troubleshooting. 5V to 3.3V I2C level shifter tutorial for sensors.
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LiteWing ESP32 Drone Betaflight: Setup & Configuration Tutorial
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Step-by-step ESP32 Betaflight Drone tutorial. Flash firmware, configure Betaflight Configurator, tune PIDs, and set up your ESP32 Betaflight drone for stable flight.
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E88 Drone Teardown & Assembly Analysis | Hardware Breakdown
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Complete E88 drone teardown revealing internal hardware, flight controller, motor assembly, battery system, and WiFi camera module. Deep dive into budget quadcopter electronics.
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Joule Thief Circuit: A Low-Power Voltage Booster Circuit
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Build a Joule Thief circuit to power LEDs from dead batteries. Complete circuit diagram with toroid, working principle, components list & step-by-step assembly guide.
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SMS Alert System with Seeed Studio XIAO ESP32 & HC-SR04 Sensor
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Build a WiFi-based SMS alert system using Seeed Studio XIAO ESP32 and HC-SR04 sensor. Send real-time notifications via free API—no GSM module needed. Complete tutorial with code.
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Interfacing Raspberry Pi Pico RTC DS3231 : Easy Setup Guide & Code
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Learn to interface the Raspberry Pi Pico RTC DS3231 using Arduino IDE. Build an accurate digital clock with 16x2 I²C LCD. Includes circuit diagram, code & troubleshooting.
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Smart Energy Meter Using IoT with MQTT Dashboard & Alerts
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Build an IoT-based smart energy meter using ESP32 & PZEM-004T. Real-time monitoring via the MQTT dashboard, SMS alerts for abnormal conditions. Complete circuit & code included.
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