February 23, 2021 0 By admin

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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Interface GPS with Arduino. 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. We should set the bits in same pattern on Encoder and Decoder IC to pair them.

Actual product may vary from the product photograph displayed above. It is not mandatory to use it. It decodes the serial addresses and data received by, say, an RF receiver, into parallel data and sends deccoder to output data pins. These are the 8-bit address bits, which is used to protect your data.

To know how a 4-bit data can be 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. Full Name Email Address. 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.


The Encoded 12 bit output data obtained from HT12E has to be given here. SPI Module of Arduino. HT12D is a decoder integrated circuit that belongs to 2 12 hg12d of decoders.

We will lauch an immediate investigation and try our best to beat the price, if it proves to be the same product. What is Web Browser. In the above circuit I have set the 8-bit address data as 0b, by connecting all address pins to ground. This series of decoders are mainly used for remote control system applications, like burglar alarm, car door controller, security system etc.

Arduino based GPS receiver. Return and Refund Policy. Customers who bought this product also purchased So out of the bits 8-bits will be used to set address and the remaining 4-bit will be used to transmit data. Mercury ball tilt switch 5mm dia.

HT12D Decoder IC | HT12D Datasheet | Pin Diagram

Be the first to write a review. This ICs are paired with each other. 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.

Can be used in Home automation for short range remote switching Safety decdoer like Burglar alarm system, Smoke or Fire alarm system etc.

TB Stepper Motor Driver 4. Photograph just for reference. 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.

It is mainly provided to interface RF and infrared circuits. A valid transmission in indicated by a high signal at VT pin. The serial input data is compared with the local addresses three times continuously. The data on 4 bit latch type output pins remain unchanged until new is received.


It is very important that your Decoder should have the same address of that of the encoder. TL — Programmable Reference Voltage. Interface SD Card with Arduino. Virgin Galactic — Commercial Space Flight. This pin powers the IC should use only 5V.

Choosing Battery for Robots. Skip to main content. Found this item with same quality and at a lower price but prefer to buy from robokits. If any valid data is received they can daatsheet obtained from these four pins.

HT12D Decoder IC

Supply voltage; 5V 2. 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. They are paired with 2 12 series of encoders. The IC is should be powered by 5V pin 18 and the ground pin pin 9 is grounded. They are capable of Encoding 12 bit of information which consists of N address bits and N data bits.

Buy 15 or more pieces to get Free Shipping Option Availability: The input data decpder is decoded when no error or unmatched codes are found. They can also be connected to LED to physically view the received data. We will notify you the result by email. This oscillator can be used by connecting these two pins through a 1M Resistor.