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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Virgin Galactic — Commercial Space Flight. Arduino based GPS receiver. 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.

The input data code is decoded ht12c no error or unmatched codes are found. Choosing Motor For Robots. The IC has a built in oscillator. A valid transmission in indicated by a high signal at VT pin. Interface GPS 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.


It is not mandatory to use it. In the above circuit I have set the 8-bit address data as 0b, by connecting all address pins to ground.

The IC is should be powered by 5V pin 18 and the ground pin pin 9 is grounded.

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. In simple terms, HT12D converts the serial input into parallel outputs.

We should set the bits in same pattern on Datasbeet and Decoder IC to pair them. It is very important that your Decoder should have the same address of that of the encoder.

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. This pin will go high when a data is received.

Interface SD Card with Arduino. Skip to main content. SPI Module of Arduino. The Encoded 12 bit output data obtained from HT12E has to be given here. This pin powers the IC should use only 5V.


It is mainly provided to interface RF and dagasheet circuits. HT12D is a decoder integrated circuit that belongs to 2 12 series of decoders.

HT12D RF Decoder IC Pinout, Details, Equivalent & Datasheet

For decoding a data the IC will requires an oscillatorluckily this IC has one in-built. Supply voltage; 5V 2. Submitted by admin on 27 October HT12D is capable of decoding 12 bits, of which 8 are address bits and 4 are data bits. What is Web Browser.

HT12D Decoder IC

Connected to the Ground of circuit. If you want security you can connect any of the 8 pins to 5V to make it high. TL — Programmable Reference Voltage. If any valid data is received they can be obtained from these datashwet pins.

These are the 8-bit address bits, which is used to protect your data.

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