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Find your next component

FIELD NOTES

A little knowledge. A lot of possibility.

Practical guides to the components on your workbench. Understand how they work, connect them up with real schematics, and start experimenting.

Meet the brain of your next project.FIELD NOTE / 01
Microcontrollers

Meet the brain of your next project.

A beginner’s guide to microcontrollers and choosing your first board between Arduino, ESP32, and Raspberry Pi Pico.

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Give your robot a sense of distance.FIELD NOTE / 02
Sensors

Give your robot a sense of distance.

Understand the HC-SR04 ultrasonic sensor, timing pulses, wiring, and practical obstacle-avoidance builds.

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Small sensor. A world of information.FIELD NOTE / 03
IoT

Small sensor. A world of information.

Measure temperature and humidity with the DHT11 and start exploring connected IoT weather monitoring.

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Follow a line. Detect an obstacle.FIELD NOTE / 04
Robotics

Follow a line. Detect an obstacle.

Explore infrared sensing, comparator thresholds, Arduino wiring, and simple autonomous line-follower robotics.

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