sensors
HC-SR04 Ultrasonic Distance Sensor
Reliable 2 – 400 cm ranging module.
Purpose
Obstacle detection for robots, parking assist and level sensing.
- 2–400 cm
- ±3 mm
- 5 V logic
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Explore what's on the shelf. Every item here has a datasheet, a working example and a real human on the other end of the enquiry.
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sensors
MPU-6050 6-Axis IMU
3-axis gyro + accelerometer with digital motion processor.
Purpose
Balance robots, drones, gesture control and orientation tracking.
- I²C
- 16-bit ADC
- Onboard DMP
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sensors
DHT22 Temperature & Humidity Sensor
Digital sensor with ±0.5 °C accuracy.
Purpose
Weather stations, greenhouse monitoring and HVAC dashboards.
- -40–80 °C
- 0–100 % RH
- Single-wire
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sensors
MQ-2 Smoke & LPG Gas Sensor
Analog gas sensor for combustible gases and smoke.
Purpose
Build gas leak alarms, kitchen safety monitors and air-quality nodes.
- LPG / Smoke / CO
- Analog + digital
- 5 V
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HC-SR501 PIR Motion Sensor
Passive infrared motion detector, adjustable range.
Purpose
Trigger lights, alarms and cameras when someone enters a space.
- 3–7 m range
- Adj. delay
- 3.3–5 V
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sensors
TCRT5000 IR Line Tracking Sensor
Reflective infrared sensor for line detection.
Purpose
Line-follower robots, edge detection and encoder wheels.
- Digital + analog
- 5 V
- Onboard LED
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