HT12D is a series decoder IC for remote control applications manufactured by Holtek. It is commonly used for radio frequency (RF) applications. Download. HT12D. 8. 4. L. Ö. RC oscillator. DIN active ²Hi². 18DIP, 20SOP. HT12F. 0 Holtek¢s series of encoders (refer to the encoder/de- . C o n tro l L o g ic The information appearing in this Data Sheet is believed to be accurate at the . HT12DDIP Ic-remote Control Decoder Features. Operating voltage: V~12V Low power and high noise immunity CMOS technology Low standby current.

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Connected to the Ground of circuit.

This ICs are paired with each other. If you want security you can connect any of the 8 pins to 5V to make it high. The serial input data is compared with the local addresses three times continuously.

Easy Interface with and RF or an Infrared transmission medium.

Thanks a lot for helping us to maintain competitive prices. Be the first to write a review. SPI Module of Arduino. It is not mandatory to use it. Skip to main content. Actual product may vary from the product photograph displayed above. So if you are working on a project which has to transmit a 4-bit data from one end to other either by wire or wireless then this IC pair will be best suited for you.


The input data code is decoded when no error or unmatched codes are found. They can also be connected to LED to physically view the received data. In the above circuit I have set the 8-bit address data as 0b, by connecting all address pins to ground. A valid transmission in indicated by a high signal at VT pin. TB Stepper Motor Driver 4.

HT12D/HT12F – Product Details – Holtek

Choosing Battery for Robots. TL — Programmable Reference Voltage. Interface SD Card with Arduino. Return and Refund Policy. To know how a 4-bit data can decoeer encoded and then send to the input pin of this IC, we have to understand the working of the HT12E Encoder IC which is given here.

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HT12D Decoder IC

This oscillator can be used by connecting these two pins through a 1M Resistor. Virgin Galactic — Commercial Space Flight.

It is very important that your Decoder should have the same address of that of the encoder. The Decoder receive the serial address and data from its corresponding decoder, transmitted by a datasheft using an RF transmission medium and gives output eatasheet the output pins after processing the data.

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They are paired with 2 12 series of encoders. We will notify you the result by email. A basic circuit diagram for the HT12D IC i shown below In the above circuit I have set the 8-bit address data as 0b, by connecting all address pins to ground. The 4-bit data that is received can be obtained on pins AD0 to AD1 and an address of 8-bit has to be set using the pins A0 to A7.

Valid transmission; active high. It decodes the serial addresses and data received by, say, an RF receiver, into parallel data and sends them to output data pins. HT12D is a decoder integrated circuit that belongs to 2 12 series of decoders.

The IC is should be powered by 5V pin 18 and the ground pin pin 9 is grounded. Can be used in Home automation for short range remote switching Safety systems like Burglar alarm system, Smoke or Fire alarm system etc. We will lauch an immediate investigation and try our best to beat the price, if it proves to be the same product.

Supply voltage; 5V 2.