HT12D 2 12 Series of Decoders Features. Operating voltage: V~12V Low power and high noise immunity CMOS Built-in oscillator needs only 5% resistor. IC HT12D can be used only with its pair HT12E. These two ICs together form an Encoder and Decoder pair. They are bit. HT12D Datasheet, HT12D Holtek Decoder Datasheet, buy HT12D Decoder IC.

Author: Malaran Shat
Country: Lebanon
Language: English (Spanish)
Genre: Life
Published (Last): 15 September 2006
Pages: 84
PDF File Size: 11.27 Mb
ePub File Size: 20.32 Mb
ISBN: 583-3-76766-300-5
Downloads: 12838
Price: Free* [*Free Regsitration Required]
Uploader: Fauzragore

In the above circuit I have set the 8-bit address data as 0b, by connecting all address pins to ground. The serial input data is compared with the local addresses three times ht12v.

Interface GPS with Arduino. What is Web Browser. If you want security you can connect any of the 8 pins to 5V to make h1t2d high. Virgin Galactic — Commercial Space Flight. HT12D is a decoder integrated circuit that belongs to 2 12 series of decoders. This high-density System-in-Package SiP integrates controller, power switches, and support components. Can be used in Home automation for short range remote switching Safety systems like Burglar alarm system, Smoke or Fire alarm system etc.

TL — Programmable Reference Voltage.

HT12D Decoder IC

The IC is should be powered by 5V pin 18 and the ground pin pin 9 is grounded. 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 ni. These two ICs together form an Encoder and Decoder pair.


Skip to main content. This pin will go high when a data is received. It is not mandatory to use it. The Encoded 12 bit output data obtained from HT12E has to be given here. Interface SD Card with Arduino.

Choosing Battery for Robots. This oscillator can be used by connecting these two pins through a 1M Resistor.

HT12D is capable of decoding 12 bits, of which 8 satasheet address bits and 4 are data bits. 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. Valid transmission; active high.

HT12D Datasheet

They are paired with 2 12 series of encoders. Submitted by admin on 27 October SPI Dataheet of Arduino. 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.

For decoding a data daatsheet IC will requires an oscillatorluckily this IC has one in-built. The IC has a built in oscillator. Supply voltage; 5V 2. 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 out of the bits 8-bits will be used to set address and the remaining 4-bit will be used to transmit data. These are the 8-bit address bits, which is used to protect your data. A basic circuit diagram for the HT12D IC is shown below In the above circuit I have set the datasheft address data as 0b, by connecting all address pins to ground. Connected to the Ground of circuit. Datsaheet can also be connected to LED to physically view the received data.


HT12D RF Decoder IC Pinout, Details, Equivalent & Datasheet

This oscillator can jn 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 Datasheett should use only 5V.

A valid transmission in indicated by a high signal at VT pin. The input data code is decoded when no error or unmatched codes are found. Choosing Motor For Robots. We should set the bits in same pattern on Encoder and Decoder IC to pair them. It is mainly provided to interface RF and infrared circuits. Arduino based GPS receiver. It decodes the serial addresses and data received by, say, an RF receiver, datxsheet parallel data and sends them to output data pins.

In simple terms, HT12D converts the serial input into parallel outputs. If any valid data is received they can be obtained from these four pins.

Author: admin