Gravity: CCT & ALS Meter (2700-6500K, 10-10000 Lux, Calibrated)
Factory-calibrated light sensor measuring correlated color temperature (2700–6500K) and illuminance (10–10000 Lux) with high precision. Designed for professional photography and videography lighting assessment.
Pinout
- DROfficial table 2 row 1
I2C data line SDA or UART RXD
Type · I2C - CTOfficial table 2 row 2
I2C clock line SCL or UART TXD
Type · I2C - GNDOfficial table 2 row 3
Power negative
Type · Ground - VCCOfficial table 2 row 4
Power positive (3.3~5V)
Type · Power - Communication Mode SwitchOfficial table 2 row 5
Select I2C/UART communication mode
Type · I2C
| Pin | Position | Type | Function |
|---|---|---|---|
| DR | Official table 2 row 1 | I2C | I2C data line SDA or UART RXD |
| CT | Official table 2 row 2 | I2C | I2C clock line SCL or UART TXD |
| GND | Official table 2 row 3 | Ground | Power negative |
| VCC | Official table 2 row 4 | Power | Power positive (3.3~5V) |
| Communication Mode Switch | Official table 2 row 5 | I2C | Select I2C/UART communication mode |
Pin details
5 connections- DROfficial table 2 row 1
I2C data line SDA or UART RXD
I2C - CTOfficial table 2 row 2
I2C clock line SCL or UART TXD
I2C - GNDOfficial table 2 row 3
Power negative
Ground - VCCOfficial table 2 row 4
Power positive (3.3~5V)
Power - Communication Mode SwitchOfficial table 2 row 5
Select I2C/UART communication mode
I2C
Start wiring
I2C · Analog · 3.3 – 5 V · Breakout
Adafruit describes the CdS photoresistor as a light sensor whose resistance falls as light increases, and its product page gives an examp…
Module pins: VCC, GND, D/R, C/T, Communication Mode Switch. Schematik maps them to your board in the app.
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