Name: Grove - Temperature & Humidity Sensor (DHT11)
Brand: Seeed Studio

101020011 · Seeed Studio

Grove – Temperature & Humidity Sensor is based on DHT11, which has high measurement accuracy and wide range, and low-cost. (Seeed SKU 101020011)

Part number	101020011
Manufacturer	Seeed Studio
Category	Sensors › Temperature & Humidity
Pins	4

Grove - Temperature & Humidity Sensor (DHT11) pinout

Pin	Name	Type	Description
1	SIG1	bidirectional	Signal - see the module's silkscreen (digital, analog or UART)
2	SIG2	bidirectional	Signal - see the module's silkscreen (digital, analog or UART)
3	VCC	power
4	GND	ground

Schematic symbol and footprint

Schematic symbol

Footprint: Grove HY2.0 4-pin through-hole, 2.0 mm pitch — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.