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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Actual product may vary from the product photograph displayed above. It is mainly provided to interface RF and infrared circuits. HT12D is capable of decoding htt12d bits, of which 8 are address bits and 4 are data bits.

They are paired with 2 12 series of encoders. Photograph just for reference.

TB Stepper Motor Driver 4. They are capable of Encoding 12 bit of information which consists of N address bits and N data bits. What is Web Browser. We will lauch an immediate investigation and try our best to beat the price, if it proves to be the same product.

We will notify you the result by email. Interface GPS with Arduino. The Encoded 12 bit output data obtained from HT12E has to be given here.

It is very important that your Decoder should have the same address of that of the encoder. If any valid data is received they can be obtained from these four pins. The Decoder receive the serial address and data from its corresponding decoder, transmitted by a carrier using an RF transmission medium and gives output to the output pins after processing the data. The data on 4 bit latch type output pins remain unchanged until new is received.


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HT12D Decoder IC

Valid transmission; active high. Can be used in Home automation for short range remote switching Safety systems like Burglar alarm system, Smoke or Fire alarm system etc. Please submit the url of the better price you saw.

TL — Programmable Reference Voltage. Arduino based GPS receiver. Easy to Use, Versatile Robotics Kits To know how a 4-bit data can be encoded and then send to the input pin of this IC, we ut12d to understand the working of the HT12E Encoder IC which is given here.

Decodr input data code is decoded when no error or unmatched codes are found. It is not mandatory to use it. The serial input data is compared with the local addresses three times continuously. A valid transmission in indicated by a high signal at VT pin. Virgin Galactic — Commercial Space Flight. Choosing Battery for Robots. Easy Interface with and RF or an Infrared datasheeg medium.

Thanks a lot for helping us to maintain competitive prices. Submitted by admin on 27 October These are the 8-bit address bits, which is used to protect your data. For decoding a data the IC will requires an satasheetluckily this IC has one in-built. We should set the bits in same pattern on Encoder and Decoder IC to pair them.

Interface SD Card with Arduino. This oscillator can be used by connecting these two pins through a 1M Resistor. Return and Refund Policy. Mercury ball tilt switch 5mm dia. In simple terms, HT12D converts the serial input into parallel outputs.


Supply voltage; 5V 2. This pin will go high when a data is received. A basic circuit diagram for the HT12D IC is shown below In the above circuit I have set the 8-bit address data as 0b, by connecting all address pins to ground.

This oscillator can be used by connecting these two pins through a 1M Resistor 17 Valid Transmission VT This pin will go high when a data is received. This series of decoders are mainly used for remote control system applications, like burglar alarm, car door controller, security system etc.

This pin powers the IC should use only 5V. 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. 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. It decodes the serial addresses and data received by, say, an RF receiver, into parallel data and sends them to output data pins.

HT12D RF Decoder IC Pinout, Details, Equivalent & Datasheet

These two ICs together form an Datasheer and Decoder pair. The IC is should be powered by 5V pin 18 and the ground pin pin 9 is grounded. Customers who bought this product also purchased