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Gravity: LTR390 UV Light Sensor (280nm-430nm, UVA, UVB)

SEN0540 · DFRobot

Gravity: LTR390 UV Light Sensor (280nm-430nm, UVA, UVB) photo

This sensor provides ambient light and UV detection, with high sensitivity and anti-interference. It outputs digital signals via I2C/UART for various applications. (DFRobot SEN0540)

Part numberSEN0540
ManufacturerDFRobot
CategorySensors › Light & Colour
Pins4

Gravity: LTR390 UV Light Sensor (280nm-430nm, UVA, UVB) pinout

PinNameTypeDescription
1VCCpower
2GNDground
3C (SCL/TX)bidirectionalI2C SCL, or UART - see the module's pinout
4D (SDA/RX)bidirectionalI2C SDA, or UART - see the module's pinout

Schematic symbol and footprint

VCC1C (SCL/TX)3D (SDA/RX)4GND2
Schematic symbol
1234
Footprint: JST PH 2.0 mm 4-pin through-hole (Gravity PH2.0-4P) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

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