Piezo Electric Heat Sensor
Review: 5 - "A masterpiece of literature" by , written on May 4, 20020
Great

Piezo Electric Heat Sensor

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  • Product SKU: LGKT109
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Highlights
  • Product Code: LGKT109
  • Technical Support: upto 30mins Video support
  • Handmade
  • Make in India
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Details
  • Unsoldered PCB and all components to be soldered on PCB.
  • Includes all ICs, Connecting wires and Sensors.
  • Documentation: PCB Specifications Component list and Circuit diagram.
  • Power Supply: No battery included, Includes 12 Volt DC adapter with the kit.
  • Video tutorial is available on YouTube.
  • One set of the readymade in working condition.
  • Includes all ICs, Connecting wires and Sensors.
  • Documentation: PCB Specifications Component list and Circuit diagram.
  • Power Supply: No battery included, Includes 12 Volt DC adapter with the kit.
  • Video tutorial is available on YouTube.

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Specification

Description

Here is an ultrasensitive heat sensor for monitoring high temperatures in electronic devices. A heat sink can be placed inside the electronic gadget that generates heat during operation. The ultrasensitive heat sensor circuit also functions as a sensitive Fire Alarm. This heat sensor uses the piezoelectric property to sense heat. When this happens, the output of CA3140 remains low. When the piezo disc is subjected to heat stress, it generates a very small current that is enough for upsetting the balance of the inputs of IC CA3140. This changes the output of IC CA3140 from low to high. This high output is used to activate the alarm circuit based on the ROM IC UM3561.

The Piezo Electric Heat Sensor element is the ordinary piezo disc found in the buzzer. The middle part of the piezo disc is coated with a layer of piezoelectric material. A high gain type OP-Amp is used to sense the electrical signals from the piezo disc. The inverting pin2 and non-inverting pin3 inputs of the Op-Amp IC CA3140 are shorted through the capacitor so that both the inputs will be in a balanced state.

Block Diagram

Piezo-Electric-Heat-Sensor-block-diagram

Physical Attributes

  • Dimensions (cm) L x W x H : 20 x 15 x 5
  • Weight (gm): 200

Product Video

Customer Reviews

Based on 4 reviews
75%
(3)
25%
(1)
0%
(0)
0%
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0%
(0)
M
Mirza Nisar Baig
its Amazing

Very good & Amazing working project & kit

s
smile thind
Great

Greak Kit for beginners

a
abhinava s
I like it

I like this project���. thank you so much for providing all information.

S
Sri Santhi Textiles
Well !

This project is jst gr8�.!!
Intially faced problems in several aspects�
bt vry vry satisfied with its results�.!!