Wintact Handheld Anemometer Small Digital Vane Wind Speed Meter Gauge, Pocket Air Flow Velocity Tester with Measuring Wind Temperature 14℉ to 113℉ for House HVAC Duct Outdoor Kite Boat Sailing Surfing
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Anemometer Wind Speed Sensor w/Analog Voltage Output : ID 1733 : $44.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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