3mm LDR (Pack of 5 )
Review: 5 - "A masterpiece of literature" by , written on May 4, 20020
Great
-32%
3mm LDR (Pack of 5 )
3mm-ldr-pack-of-5.jpg
3mm LDR (Pack of 5 )

3mm LDR (Pack of 5 )

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  • Product SKU: KG177
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₹ 100 ₹ 149
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Specification

Description

05 Pc LDR light dependent resistor is a type of photocell that finds excellent use in light sensing device application, whether it is automatic outdoor light ON/OFF switch or an Indoor automatic light switch.

This LDR 3mm changes resistance with the change in the ambient light exposure on the surface of the sensor.  Photoelectric control, automatic camera measurement, indoor light control, alarm, industrial control, light control switch, light control lights, electronic toys, etc.

The LDR 3mm sensor works best in both Light and dark regions. Light-dependent resistors or photoresistors are a staple of electronics. If you need a way to sense the level of ambient light then there is no easier way to do it. As the light on the sensor increases then the resistance across the two leads decreases.

  • Coated with epoxy.
  • Good reliability
  • Small volume
  • High sensitivity.
  • Fast answer
  • Good characteristic spectrum

Technical Details

  • Dark resistance: 1-20M ohm
  • Type of Mounting: PCB Through Hole
  • Maximum Operating Temperature: +80°C (Approx.)

Physical Attributes

  • Diameter (mm) : 3
  • No. of Pins: 2

Integration with Arduino


Sample Code


Integration with Raspberry Pi


Sample Code


Analog Applications

  • Camera Exposure control
  • Auto slide focus – dual cell
  • Photocopy machines – the density of the toner
  • Colorimetric Test Equipment
  • Densitometer
  • Electronics scales – dual cell
  • Automatic gain control – modulated light source
  • Automated Rear View Mirror

Digital Applications

  • Automatic Headlight Dimmer
  • Nightlight control
  • Oil burner flame out
  • Streetlight control
  • Absence / Presence (Beam breaker)
  • Position sensor

Product Video


Documentation


Tutorial

Customer Reviews

Based on 31 reviews
90%
(28)
6%
(2)
3%
(1)
0%
(0)
0%
(0)
r
raju
Works great

Works exactly as advertised

a
aarti
Lights better than new.

I've used these to fix some of my garden solar lights. They have never worked better.

s
sagar pahwa
Nice

They make a nice addition to my electronics Shack.

d
dhrmveer singh
Lit

Tiny projects not gotten too.

r
rattan vail
Photoresistors

Simple product which behaves as expected. More light == lower resistance.

v
vijay sharma @ khada chand
Dependable photo resistors. I can't imagine I'll need more ...

Dependable photo resistors. I can't imagine I'll need more than 30, but if I do I'll be purchasing these again.

m
meena
As described

I use it in my projects working perfectly

j
jitendera singh
Good buy

I bought these for a solar light project in my house. It was well worth the buy quantity and quality wise.

i
ishwar ram
Five Stars

Good Value work great!

g
gaurav sharam
Nice product.

Good product.