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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.

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The input data code is decoded when no error or unmatched codes are ht12dd. Choosing Motor For Robots. The IC is should be powered by 5V pin 18 and the ground pin pin 9 is grounded. These two ICs together form an Encoder and Decoder pair.

Interface SD Card with Arduino. 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. 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. 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.


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. This high-density System-in-Package SiP integrates controller, power switches, and support components. Submitted by admin on 27 October They are paired with 2 12 series of encoders.

HT12D Decoder IC

Virgin Datwsheet — Commercial Space Flight. HT12D is capable of decoding 12 bits, of which 8 are address bits and 4 are data bits. The serial input data is compared with the local addresses three times continuously.

SPI Module of Arduino. It decodes the serial addresses and data received by, say, an RF receiver, into parallel data and sends them to output data pins. Skip to main content. This dagasheet will go high when a data is received. This pin powers the IC should use only 5V. A valid transmission in indicated by a high signal at VT pin.

HT12D RF Decoder IC Pinout, Details, Equivalent & Datasheet

The Encoded 12 bit output data obtained from HT12E has to be given here. Ddatasheet is very important that your Decoder should have the same address of that of the encoder.


For decoding a data the IC will requires an oscillatorluckily this IC has one in-built. TL — Programmable Reference Voltage. They can also be connected to LED to physically view the received data.

HT12D Datasheet

Arduino based GPS receiver. Choosing Battery for Robots.

Connected to the Ground of circuit. Datssheet simple terms, HT12D converts the serial input into parallel outputs. HT12D is a decoder integrated circuit that belongs to 2 12 series of decoders.

This series of decoders are mainly used for remote control system applications, like burglar alarm, car door controller, security system etc. We should set the bits in same pattern on Encoder and Decoder IC to pair them. 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 ib pins to ground. This oscillator can be used by connecting these two pins through a 1M Resistor.

The data on 4 bit latch type output pins remain unchanged until new is received.