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Using the ESP32 DAC – Voltages, Waveforms & Sounds

Oscilloscope Art, Musical Fruit – just a few of the things we’ll build with the ESP32’s built-in DAC (Digital to Analog Converter)! Article with code: https://dronebotworkshop.com/esp32-dac More articles and tutorials: https://dronebotworkshop.com Join the conversation on the forum: https://forum.dronebotworkshop.com Subscribe to the newsletter and stay in touch: https://dronebotworkshop.com/subscribe/ One of the lesser known features of the […]
DroneBot Workshop
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Using the HC-SR04 Ultrasonic Distance Sensor with Arduino – Everything you need to know!

Get more info and all the sketches at https://dbot.ws/hcsr04ar More projects and tutorials at https://dronebotworkshop.com The HC-SR04 Ultrasonic sensor is versatile device that has become a staple in robotics projects. This inexpensive component measures the distance between itself and the nearest solid object using pulses of ultrasonic sound. It has reasonable accuracy “out of the […]
DroneBot Workshop
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Water Your Garden with IoT – Soil Moisture Sensors

Learn to use Soil Moisture Sensors with microcontrollers and build a Soil Moisture Meter and an automated watering system that uses the Arduino IoT Cloud! Article with code: https://dronebotworkshop.com/soil-moisture More articles and tutorials: https://dronebotworkshop.com Join the conversation on the forum: https://forum.dronebotworkshop.com Subscribe to the newsletter and stay in touch: https://dronebotworkshop.com/subscribe/ There are many methods of […]
DroneBot Workshop
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Waterproof Ultrasonic Distance Sensors – JSN-SR04T & A02YYUW 💧☔

Today we will take a look at the JSN-SR04T and A02YYUW Waterproof Ultrasonic Distance Sensors. We will see how they work outside, and we’ll even test to see if they work underwater (spoiler alert – they won’t!). Article with code: https://dronebotworkshop.com/waterproof-ultrasonic More articles and tutorials: https://dronebotworkshop.com Join the conversation on the forum: https://forum.dronebotworkshop.com Subscribe to […]
DroneBot Workshop
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WiFiManager with ESP32 – Stop Hard-coding WiFi Credentials!

Stop hard-coding your WiFi connection information in your ESP32 Sketches – use WiFi Manager instead! Article with code samples: https://dronebotworkshop.com/wifimanager More articles and tutorials: https://dronebotworkshop.com Join the conversation on the forum: https://forum.dronebotworkshop.com Subscribe to the newsletter and stay in touch: https://dronebotworkshop.com/subscribe/ The ESP32 is an amazing microcontroller. It’s a powerful 32-bit processor with multiple I/O […]
DroneBot Workshop
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