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Temperature, humidity, pressure, motion, distance, soil moisture, current and weight sensors for Arduino, ESP32 and Raspberry Pi projects, with wiring notes for each module.
Measures distances from 2 cm to 4 m with sound — the classic sensor for obstacle-avoiding robots, parking aids and water-level meters.
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Low-cost digital temperature and humidity sensor — ideal for first projects and classroom experiments.
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Accurate digital temperature (±0.5 °C) and humidity (±2 % RH) sensor on a ready-to-wire 3-pin module.
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Measures soil moisture to automate watering — analog reading plus an adjustable dry/wet digital output.
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Detects human movement up to 7 m with adjustable sensitivity and delay — the heart of automatic lights and intruder alarms.
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High-precision 24-bit amplifier that turns any strain-gauge load cell into a digital scale for Arduino and ESP32.
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3-axis accelerometer plus 3-axis gyroscope on I²C — measure tilt, orientation and motion for robots, drones and gesture control.
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Bosch environmental sensor measuring temperature, humidity and air pressure in one tiny package — perfect for weather stations and altimeters.
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Sealed stainless-steel digital temperature probe for liquids, soil and outdoor use, measuring −55 to 125 °C on a single wire.
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Measures AC or DC current through an isolated Hall-effect sensor — available in ±5 A, ±20 A and ±30 A ranges.
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