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For exploring different sensors with Arduino, Elecrow 37-in-1 Sensors Module Kit for Arduino ($31.10) offers a broad starting point. For a specific measurement:
- Temperature and humidity: Gravity: Arduino DHT11 Temperature Humidity Sensor ($8.80), or the I²C Adafruit AHT20 Temperature Humidity Sensor ($8.70).
- Temperature, humidity and air pressure: Gravity: I2C BME280 Environmental Sensor ($27.50).
- Proximity and light: VCNL4200 Long Distance IR Proximity & Light Sensor Breakout ($17.10).
- Distance: Sharp GP2Y0A21YK0F Analog Distance Sensor ($20.35) measures objects at 10–80 cm.
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Raspberry Pi CM4 IoT Router Carrier Board Mini Kit (EU PSU)
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Turn a Raspberry Pi Compute Module 4 into a compact dual-Gigabit router, gateway or IoT platform with this mini carrier board kit from DFRobot. The board connects a Gigabit network card over PCIe, giving the CM4 two full-speed Gigabit Ethernet ports with lower CPU usage and improved long-running ...
Raspberry Pi CM4 IoT Router Carrier Board Mini Kit - US Plug
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This kit bundles DFRobot’s compact Compute Module 4 IoT Router Carrier Board Mini with a metal cooling case and heat sink, a 5V@3A USB power supply (US Standard), and a USB 3.0 to Type-C cable. It is designed around the Raspberry Pi Compute Module 4 series for building small, capable network appl...
