- You can get the product from our office
- Home delivery is also available
- Delivery charge: Inside Dhaka-60 Taka, outside Dhaka-99 Taka
- We will send a custom made invoice with discount amount at the time of delivery.
- No existing offer will be applicable if customer avails this offer.
- Once the product is purchased,it will not be refundable
- Your booking does not always guarantee product delivery. Product delivery is entirely subjected to availability of stock
- Color of the products may slightly vary due to photography, lighting sources or your monitor setting/ PC resolution
- Product delivery may be interrupted or delayed due to natural disaster or in case of political unrest
- In case of delivery outside Dhaka, customers may have to collect certain products from the nearby courier service office.
-21%
HT12D Decoder
৳ 75.00
Battery Level Indicator bar graph 5-Segment
Original price was: ৳ 60.00.৳ 55.00Current price is: ৳ 55.00.
Sonar Sensor (HC-SR04)
Original price was: ৳ 120.00.৳ 95.00Current price is: ৳ 95.00.
Model : SEN-00060
Supplier : Made in China
Techbazar.com.bd, Bangladesh
Description
HCSR04 is an Ultrasonic ranging module which consists of a transmitter,receiver and control circuit. It has four pins for VCC, GND, Trigger and Echo.You can easily interface it with micrcontrollers and Arduino boards.
The basic principle of work is:
(1) Using IO trigger for at least 10us high level signal,
(2) The Module automatically sends eight 40 kHz and detect whether there is a
pulse signal back.
(3) IF the signal back, through high level , time of high output IO duration is
the time from sending ultrasonic to returning.
Test distance = (high level time×velocity of sound (340M/S) / 2
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