I am on raspberry and i found this pyton script here (-> https://raspberrytips.nl/tsl2561-licht- ... pberry-pi/) for testing my TSL2561. It work's fine.... and i obtain in cmd 3 values
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# TSL2561
import smbus
import time
# Get I2C bus
bus = smbus.SMBus(1)
# TSL2561 address, 0x39(57)
# Select control register, 0x00(00) with command register, 0x80(128)
# 0x03(03) Power ON mode
bus.write_byte_data(0x39, 0x00 | 0x80, 0x03)
# TSL2561 address, 0x39(57)
# Select timing register, 0x01(01) with command register, 0x80(128)
# 0x02(02) Nominal integration time = 402ms
bus.write_byte_data(0x39, 0x01 | 0x80, 0x02)
time.sleep(0.5)
# Read data back from 0x0C(12) with command register, 0x80(128), 2 bytes
# ch0 LSB, ch0 MSB
data = bus.read_i2c_block_data(0x39, 0x0C | 0x80, 2)
# Read data back from 0x0E(14) with command register, 0x80(128), 2 bytes
# ch1 LSB, ch1 MSB
data1 = bus.read_i2c_block_data(0x39, 0x0E | 0x80, 2)
# Convert the data
ch0 = data[1] * 256 + data[0]
ch1 = data1[1] * 256 + data1[0]
# Output data to screen
print "Full Spectrum(IR + Visible) :%d lux" %ch0
print "Infrared Value :%d lux" %ch1
print "Visible Value :%d lux" %(ch0 - ch1)Thank's for your help