Multiplexers are advanced electronic components that are found in both digital (now more common) and analog (slightly less common) versions. Due to its mode of operation, it can be said that the multiplexer is a combination circuit used to select one of several available input signals. After selection, the signal is transferred to the device output. The multiplexer is a commutation (switching) system. Thanks to the use of such a device in the electronic system, the number of inputs can be easily increased (e.g. to a microprocessor). The multiplexer has the infrastructure to handle a plurality of connected signal generators (e.g. sensors) with a single control signal which will eventually cause the device to return a single output.
Plastic case for power supply Kradex Z42 - 83x56x46mm black
Index: KDX-06976
- Reduced price
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Products: 13
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Qwiic Mux Breakout - 8-channel module with multiplexer I2C - TCA9548A - SparkFun BOB-16784
Module with a multiplexerem TCA9548A, allows you to connect 8 different digital I2C interfaces to one interface. Works with a supply voltage from 1.65 V to 5.5 V. The address...
Index: SPF-12723
Index: SPF-12723
DFRobot Gravity: digital I2C multiplexer - 8-channel
Module with multiplexer that allows you to connect 8 different digital I2C buses to one interface, for each, there are separate pins SDA (bus of data line) and SCL (clock line...
Index: DFR-12628
Index: DFR-12628
Module with analog-digital multiplexer 74HC4067 - SparkFun BOB-09056
Module with 16 channel CD74HC4067 multiplexer allows you to connect up to 16 signals to a single analog output. The system can work as a demultiplexer and work with digital...
Index: SPF-01630
Index: SPF-01630
Analog multiplexer / demultiplexer 4052 - THT - 5pcs
4-channel analog multiplexer/demultiplexer in the DIL-16(DIP) case. Set of 5 pcs chips.
Index: UCC-00387
Index: UCC-00387
TCA9548A - module with multiplexer I2C - Adafruit 2717
Module with a multiplexer TCA9548A allows you to connect 8 different digital I2C interface to one interface. Working voltage from 3 V to 5 V, the address of the output I2C bus...
Index: ADA-04915
Index: ADA-04915
Module with analog-digital multiplexer 74HC4051 - SparkFun BOB-13906
Module with 8-channel multiplexer CD74HC4051 allows you to connect up to 8 signals to a single analog output. The system can work as a demultiplexer and work with digital...
Index: SPF-07192
Index: SPF-07192
Index: UCC-00388
Pimoroni Garden Socket Hat - module with I2C multiplexer for Raspberry Pi
Shield for Raspberry Pi with I2C multiplexer that allows you to connect 6 devices of I2C equipped with a connector Pimoroni. It is working with a voltage from 3 V to 6 V. The...
Index: PIM-12673
Index: PIM-12673
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Lead expander - 4 channel - with I2C multiplexer - PCA9546 - STEMMA QT / Qwiic - Adafruit 5664
Module with a multiplexer manufactured by Adafruit and equipped with the PCA9546 chip, which is a replacement for the popular TCA9548A chip. The module allows you to connect...
Index: ADA-22545
Index: ADA-22545
MicroUSB power connector with TPS2113A multiplexer - Pololu 2596
Board with a microUSB connector, which works as a power supply multiplexer. TPS2113A system automatically switches the source and blocks reverse current. It has an adjustable...
Index: PLL-02525
Index: PLL-02525
MicroUSB power connector with FPF1320 multiplexer - Pololu 2594
Board with microUSB connector works as a power supply multiplexer. System FPF1320 allows you to choose which of the two sources will be connected to the target system. The...
Index: PLL-02140
Index: PLL-02140
Lead expander - 8-channel - with I2C multiplexer - PCA9548 - STEMMA QT / Qwiic - Adafruit 5626
Module with a multiplexer equipped with the PCA9548 chip, which is a replacement for the popular TCA9548A chip. It allows you to connect up to 8 separate I2C digital buses...
Index: ADA-22391
Index: ADA-22391
Lead expander - 4-channel - with I2C multiplexer - PCA9546 - Adafruit 5663
A multiplexer manufactured by Adafruit and equipped with the PCA9546 chip, which is a replacement for the popular TCA9548A chip. The module allows you to connect up to 4...
Index: ADA-22544
Index: ADA-22544
See also
In this category you will find the best multiplexers on the market - both the more advanced and the basic ones. The Botland store offers a wide selection of analog multiplexers in DIP casings (SMD - surface and THT - through hole) with 4 to 8 channels. You will also find a wide selection of modules with digital multiplexers from 2 to 8 channels. Check out our products below!
How does a multiplexer work?
The multiplexer works like a switch because it holds some or even several dozen inputs for signals, address inputs, one control input and one output. Regardless of the type of device, the connection diagram is very similar. The biggest differences are noted primarily in the type of circuit and the number of built-in inputs.
Each multiplexer has a control input, an output (a feedback signal will appear here), outputs for connecting signal generators (for example sensors) and address inputs. The multiplexer is a switching circuit which is designed in such a way as to return the signal value of one of the information inputs, the index of which has been determined by the control input. What's more, the multiplexers can also function as demultiplexers. In practice, this means that you can connect as many signals to one lead as the device has specific channels. You can also output as many signals as the device has channels from only one pin (demultiplexer). It is worth remembering that devices of this type operate after connecting the current with specific parameters, and the parameters of the signal at the output cannot exceed them.
Power multiplexers – extensive programmable electronics modules
In this category you can find many types of multiplexers in the form of advanced printed circuit boards. Multiplexers are often used in programmable electronics. Due to the fact that they have many outputs and are able to change their parameters and expand the basic application, this type of device becomes very useful, especially when you construct a slightly more advanced electronic project. Among the presented multiplexer modules, you will see products of very famous brands in the world of programmable electronics such as DFRobot, Pololu, SparkFun and Qwiic.
Multiplexers – what do we offer in this category?
Botland offers several types of analog multiplexers and many digital models. Analog devices are available in both SMD and THT mounting versions. The price of such devices is lower than that of competing analog multiplexers. Digital multiplexers today are mostly used for building various DIY projects, but most of all they are professional. Such devices are mostly modules with ready leads in the form of soldering pads, prepared, for example, for soldering goldpins. These modules can also be used to work with digital signals (for example with the I2C or SPI interface). We have multiplexers - including 2-bit, 4-bit and 8-bit. One of the 8-channel devices has an I2C output bus, which allows you to change the address, which consequently allows you to connect up to 64 I2C devices.
Multiplexers are more advanced devices that should definitely become a permanent part of the toolbox of every electronics enthusiast who is fascinated by programmable electronics. However, if you have difficulty choosing the device that will be best for your project, be sure to contact us. We will try to help!