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.
|Published (Last):||7 October 2011|
|PDF File Size:||13.95 Mb|
|ePub File Size:||9.49 Mb|
|Price:||Free* [*Free Regsitration Required]|
HT12D is capable of decoding 12 bits, of which 8 are address bits and 4 are data bits. In the above circuit I have set the 8-bit address data as 0b, by connecting all address pins to ground.
HT12D/HT12F – Product Details – Holtek
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. A valid transmission in indicated by a high signal at VT pin.
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. It is very important that your Decoder should have the same address of that of the encoder.
HT12D Decoder IC
This pin will go high when a data is received. The input data code is datasbeet when no error or unmatched codes are found. The IC has a built in oscillator. Connected to the Ground of circuit. Submitted by admin on 27 October What is Web Browser. HT12D is a decoder integrated circuit that belongs to 2 12 series of decoders. Supply voltage; 5V 2.
Choosing Battery for Robots. It is mainly provided to interface RF and infrared circuits.
The Encoded datashedt bit output data obtained from HT12E has to be given here. For decoding a data the IC will requires an oscillatorluckily this IC has one in-built. This series of decoders are mainly used for remote control system applications, like burglar alarm, car door controller, security system etc.
The serial input data is compared with the local addresses three times continuously. This pin powers the IC should use only 5V. It decodes the serial addresses and data received by, say, an RF receiver, into parallel data and sends them to output data pins. The IC is should be powered by 5V pin 18 and the ground pin pin 9 is grounded. If any valid data is received they can be obtained from these four pins. 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.
Virgin Galactic — Commercial Space Flight.
HT12D RF Decoder IC Pinout, Details, Equivalent & Datasheet
Skip to main content. 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. TL — Programmable Reference Voltage.
So out of the bits 8-bits will be used to set address and the remaining 4-bit will be used to transmit data. SPI Module of Arduino.
We should set the bits in same pattern on Encoder and Decoder IC to pair them. Valid transmission; active high. These dtasheet the 8-bit address bits, which is used to protect your data. Choosing Motor For Robots.
Interface SD Card datahseet Arduino. Arduino based GPS receiver. In simple terms, Dafasheet converts the serial input into parallel outputs. This oscillator can be used by connecting these two pins through a 1M Resistor. 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.
It is not mandatory to use it. If you want security you can connect any of the 8 pins to 5V to make it high. 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 daatasheet system etc.