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Arduino Shield - GPIO extenders

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Proto Prototype Shield + mini Breadboard - Shield for Arduino

Shield for Arduino Uno Rev3 and derivatives allow you to create your own shields. It has led out all the connectors and two LEDs, and a button at the user's disposal. In...
Index: MOD-08225
Index: MOD-08225
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Regular price €3.70 Price €3.70

Arduino Proto Shield Mega Rev3 - A000080

Shield for Arduino Mega, allowing you to create your own systems (shields). The model is suitable for the latest versions of the family Arduino Mega Rev3.
Index: ARD-01480
Index: ARD-01480
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Regular price €6.95 Price €6.95

DFRobot ScrewShield V3 - screw connectors for Arduino

Included are two shields, leading out all the Arduino pins on the connectors to which you can connect the cable using the button (clip) without using a screwdriver.
Index: DFR-02989
Index: DFR-02989
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Regular price €8.81 Price €8.81

DFRobot Gravity - IO Expansion Shield for Arduino V7.1

Shield for Arduino, which extends the I/O pis capabilities. It has i.a. led out each pin with a pair for power supply, possibility to turn on the voltage converter of 3.3 V, a...
Index: DFR-02991
Index: DFR-02991
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Regular price €9.28 Price €9.28

Prototype Shield V3.0 + Breadboard for Arduino Mega

Shield for Arduino Mega, allowing you to create your own systems (shields). The model is suitable for the latest versions of the family Arduino Mega Rev3. It has led out all...
Index: MOD-08226
Index: MOD-08226
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Regular price €5.33 Price €5.33

Nano Expansion Adapter - Shield for Arduino

System that facilitates the usage of Arduino Nano. It has led out all the pins in convenient 3-pin configurations along with Vcc and GND. On board can also be found pins for...
Index: MOD-08233
Index: MOD-08233
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Regular price €3.47 Price €3.47

DFRobot 4x Relay - Shield for Arduino v2.1

Overlay with four relays that can be controlled directly from Arduino via digital outputs. Additionally, there is a socket on the board to connect XBee wireless communication...
Index: DFR-02731
Index: DFR-02731
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Regular price €15.79 Price €15.79

ProtoScrewShield - screw connectors for Arduino - SparkFun DEV-09729

Shield leading out all of the Arduino pins on the screw connections ARK. It also has a space with soldering fields to create your own systems.
Index: SPF-02409
Index: SPF-02409
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Regular price €19.19 Price €19.19

Arduino ISP A000092 - programmer for Arduino

System with programmer suited to ICSP Arduino connectors. It allows you to upload software and burn the bootloader via the built-in microUSB slot.
Index: ARD-04793
Index: ARD-04793
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Regular price €19.07 Price €19.07

IO Expansion - Shield for Arduino - Waveshare 9755

Shield for Arduino, which extends the I/O pis capabilities. It has i.a. led out each pin with a pair for power supply, separate connector for I2C, SPI interfaces, and a slot...
Index: WSR-04446
Index: WSR-04446
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Regular price €7.42 Price €7.42

Accessory Shield for Arduino - Waveshare 10567

Panel for Arduino, contains the display 0,96" OLED, potentiometer, joystick with button, temperature sensor, 3-axis accelerometer, LED RGB, clock RTC, as well as sound signal...
Index: WSR-04469
Index: WSR-04469
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Regular price €15.79 Price €15.79

Solar Charger Shield v2.2 - shield for Arduino

Module for connecting a mobile power source for Arduino. It allows you to power the microcontroller from any battery voltage from 3 V to 4.2 V or solar panel voltage from 4.8 V...
Index: SEE-04429
Index: SEE-04429
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Regular price €13.23 Price €13.23

Proto Shield for Arduino - Iduino EX023

Overlay for Arduino Uno Rev3 and derivatives allowing you to create your own layout designs. It has all connectors and reset button and ICSP connector.
Index: OST-14311
Index: OST-14311
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Regular price €3.70 Price €3.70

FeatherWing datalogger - RTC PCF8523 + microSD Shield for Feather - Adafruit 2922

The module is powered via battery and with the real-time clock RTC PCF8523 and a slot for microSD memory cards. FeatherWing extends the capabilities of the modules from Feather...
Index: ADA-05591
Index: ADA-05591
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Regular price €11.60 Price €11.60

Mux Shield II GPIO expander for Arduino - SparkFun DEV-11723

Shield for Arduino that allows you to increase the number of pins up to 48 pins that can operate as digital inputs/outputs and analog inputs. Board moves the connectors on its...
Index: SPF-03398
Index: SPF-03398
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Regular price €33.72 Price €33.72

Velleman VMA209 sensors LM35 + DS18B20 - multifunctional shield for Arduino

Shield for Arduino with 7 segment LED display 4 digits, 4 SMD LEDs, 3 independent buttons, buzzer, interfaces for sensors LM35 and DS18B20, interface IR receiver,...
Index: VEL-13897
Index: VEL-13897
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Regular price €10.21 Price €10.21

Velleman VMA200 Proto - Shield for Arduino

Shield for Arduino Uno Rev3 and derivatives, which allows you to create your own systems (shields). It has led out all the connectors, as well as a button at the user's...
Index: VEL-13014
Index: VEL-13014
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Regular price €7.65 Price €7.65

DFRobot Mega Multi IO Shield For Arduino Mega / DUE

The board allows to connect 4 shields to Arduino Mega 1280 / 2560 / ADK. Each of the shields uses the other pins, this allows you to avoid conflicts that occur during cascade...
Index: DFR-07183
Index: DFR-07183
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Regular price €23.14 Price €23.14

Sensor Shield V5.0 - Shield for Arduino

A shield which extends the capabilities of the Arduino. It allows you to connect various devices such as sensors, servos, buttons, potentiometers, relays, etc. It has led out...
Index: MOD-03725
Index: MOD-03725
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ATSAMD09 Seesaw I2C - Adafruit 3657

Seesaw ATSAMD09 is a universal framework transducer which expands the number of pins for microcontrollers or microcomputers with I2C interface. It extends the board with...
Index: ADA-10319
Index: ADA-10319
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Regular price €6.49 Price €6.49

Grove - Base Shield for Arduino Nano

Shield for Arduino Nano is a board fully compatible with Seeeduino Nano. It has 8 connectors, so it is possible to connect many devices, sensors, Grove displays using 4-pin...
Index: SEE-14994
Index: SEE-14994
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Regular price €3.00 Price €3.00

SX1509 - GPIO expander 16 I/O for Arduino - SparkFun BOB-13601

Expansion board with 16 GPIOs with I2C interface, which means that to make full use of all pins, it is sufficient to connect two wires to the microcontroller. SX1509 also has...
Index: SPF-11147
Index: SPF-11147
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Regular price €7.42 Price €7.42

DFRobot RGB LED driver - Shield for Arduino

Shield for Arduino allows you to control multi-color RGB LED strip. Circuit board has 3 PWM output for each color component of RGB, it is also equipped with an IR receiver,...
Index: DFR-04276
Index: DFR-04276
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Regular price €11.60 Price €11.60

Screw Shield v3 - screw connectors for Arduino - Iduino EX027

A cap consisting of two plates that lead all Arduino pins to the screw terminals to which the cable can be connected with a screwdriver. In addition, the board has analog and...
Index: OST-14327
Index: OST-14327
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Regular price €4.42 Price €4.42

What is a pin extender?

It is a module in the form of a printed circuit board or electronic system that connects to the pins of the Arduino baseboard via the UART, SPI or I2C communication bus, depending on the type Arduino Shield. Why is such a simple tool so popular and so important at the same time? Well, the more pins available, the more we can be tempted to expand our Arduino by connecting more elements and modules to the board. Sometimes it's not about bells and whistles - advanced designs in particular often require multiple components to be connected. It's not worth limiting your creativity and possibilities: don't wait and choose the right pin extender that will allow you to spread your wings and create larger and more complex structures.

Arduino expander - one of the greatest expansions you can imagine

As you already know, the pin expander is an extension of the possibilities in Arduino systems that, thanks to its diversity, will make it easier for you to construct and customize your microcomputer to your own needs. The simplest expander is a board equipped with screw connectors, thanks to which the connection of cables to the inputs and outputs of the main unit becomes much easier and the connection strength is greater. The screw connector module is connected to the main unit through pins led out. If you want to increase the current efficiency of the outputs, it is useful to have a module with relays, which allows you to control devices with a supply voltage of up to 250 VAC and switching currents of up to 15 A. For the latter, you can connect temperature, humidity or pressure sensors and resistors to calibrate each of the measurement channels separately. The pin expander can also handle many interfaces such as SPI (LCD, LED display modules), IIC (ICD display modules, I / O modules), Micro SD, SD, TLC (LED controller).

Pin Expander - unlimited possibilities

If you are a fan of robotics, use the Arduino expander to control drives with motors with 12 V output voltage and current efficiency even above 1 A. If you are building a larger project, use the Arduino Expander to be able to install even more other Arduino overlays (Arduino Shields)!

However, one of the most important advantages of Arduino is the overall flexibility of this system. For example, some products ( for example, Proto Shield) offer you the possibility to create an Arduino shield yourself, perfectly tailored to your needs! Do your expectations go beyond the available Arduino Shield modules? As you can see, this is not a problem at all! Build your own shield, for example the pin expander you need. In our store you can find output expanders in the form of PCBs, which are equipped with all the connectors to connect to the main device. Use the printed circuit board you can create your own Arduino Shield, perfectly adapted to your needs and expectations.

Do you have any questions or doubts? We are at your disposal, please contact us - we will be happy to help you.