#322

Browsing through my collection of sensors, I found quite a few which deal with measuring of light. Today we will have a look at these sensors, bring them in some order, and test them. In the end, you should be able to decide which sensor is best to use for your project.
Today’s selection covers the following areas:
- RGB sensors
- Lux sensors
- UV sensors
- IR Sensors
- Proximity/gesture sensors

I am a proud Patreon of GreatScott!, Electroboom, Electronoobs, EEVblog, and others.

Links:
Color Sensors:
TCS3200:
TCS3414: https://s.click.aliexpress.com/e/_dUa...
TCS34725: https://s.click.aliexpress.com/e/_d6f...
ISL29125: https://s.click.aliexpress.com/e/_dTL...

Illuminance / Lux Sensors
BH1750: https://s.click.aliexpress.com/e/_dSR...
TSL2561: https://s.click.aliexpress.com/e/_dT3...
TSL2591: https://s.click.aliexpress.com/e/_d81...
LDR: https://s.click.aliexpress.com/e/_dT1...
Phototransistor: https://s.click.aliexpress.com/e/_d7I...

UV-Sensor:
ML8511: https://s.click.aliexpress.com/e/_dU9...

Proximity / Gesture Sensors
APDS-9960: https://s.click.aliexpress.com/e/_dVG...
AP3216C: https://s.click.aliexpress.com/e/_dW5...

TOF Sensor
VL53L0X: https://s.click.aliexpress.com/e/_dTN...
VL53L1X (Long Range) : https://s.click.aliexpress.com/e/_d6T...

Sketches: https://github.com/SensorsIot/Light-S...

Table of content:
01:17 : Episode 269 (2019-05-19): "#269 Infrared Light: Raspberry IR Camera
and cheap Spectrometer (i-Phos)"

youtube DOT com/watch?v=sttQAL4r4TQ

01:58 : Start of RGB (colour) sensors part
03:36 : Second peak in the infrared for the colour sensor
05:36 : White LEDs emit more in the blue part of the spectrum
05:49 : Start of colour sensors TCS3414/TCS34725 part (I²C interface)
en DOT wikipedia DOT org/wiki/I%C2%B2C
07:19 : Example of usefulness of 3D printing
07:33 : Start of the Lux / illuminance sensors part (BH1750, TSL2561, TSL2591,
noname LDR, and noname phototransistor)
08:18 : Wife joke
08:50 : Start of the BH1750 part
09:45 : Start of the TSL2561 part
10:27 : Start of the LDR part
11:04 : Start of the phototransistor part
11:10 : 220 kΩ series resistor (collector)
11:23 : Application of an LDR for monitoring a system's status LED.
11:41 : Start of the UV sensor part (ML8511)
en DOT wikipedia DOT org/wiki/Ultraviolet
13:00 : Start of the infrared (IR) sensors part
13:18 : IR sensor TSOP1838 (only output for modulated light at 38 kHz)
13:46 : Start of the proximity sensors, etc. part (APDS-9960 and AP3216C)
15:32 : Start of the AP3216C part
15:53 : Roundup

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