Sensors
Arduino sensors — temperature, humidity, distance, motion, light, gas, pressure, heart rate and touch. Most are ready-made KY-series modules: 3 pins, connect with jumper wires, library available in the Arduino IDE.
Sensors — buying guide
What is in this category
48 products: LDR Light Sensor Module LM393, KY-001 Temperature Sensor Module (DS18B20), KY-010 Slot Light Sensor Module (PHOTO INTERRUPTER), Atmospheric Pressure Sensor (Altimeter) GY-BMP280, KY-022 Infrared Receiver Module, KY-027 Tilt Sensor LED Module, KY-015 DHT11 Temperature and Humidity Sensor Module, TCRT5000 Infrared Proximity Detection Module (Line Following) and more.
How to choose
- Temperature/humidity — DHT11 (cheap, ±2°C), DHT22 (accurate, ±0.5°C), DS18B20 (waterproof version exists).
- Distance — HC-SR04 (2–400 cm, the most popular), JSN-SR04T (waterproof, like a car parking sensor).
- Motion — HC-SR501 PIR (human presence, 7 m), TCRT5000 (line-following robots).
- Air/gas — MQ-135 (air quality, smoke), BMP280 (pressure, altitude).
- Body — MAX30102 (pulse + SpO2), AD8232 (ECG), TTP223 (touch button).
Compatibility
Analog sensors go to Arduino pins A0–A5, digital ones to any D pin; 3.3V compatibility for ESP32 is noted on each product page.
Ordering and delivery
All products are in stock in Baku — price and availability are shown live on each product page. Order on the website or in the mobile app; our operator will contact you to confirm payment and delivery within Baku. Wiring diagrams and code examples are in the edu.embedded.az lessons.
