The world of microcontrollers and portable microcomputers is constantly evolving. The establishment of the Italian company called Arduino was a true milestone. Today every enthusiast of programmable electronics has heard about Arduino. Arduino and Raspberry are the two most well-known and recommended brands of electronics producers. Arduino enjoys great user reviews due to the fact that it offers a lot of variety. First you need to buy the main Arduino printed circuit board (PCB). Then - you don't have to, but it's worth it! - buy Arduino Shields - special overlays with additional amenities. There are dozens of overlays that are used for various purposes. With their help you will build a running gear for the robot, equip the project with wireless communication (radio waves, Wi-Fi via Ethernet, Bluetooth), as well as components for further expansion. The latter include pin extenders, which are used in order to increase the technical parameters of the project!
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Arduino Shield - GPIO extenders
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Grove - Base Shield v2 - Shield for Arduino
Shield for Arduino, which extends the capabilities I/O pins. Designed for modules and sensors from the Grove series. It has 4-pin connectors, and all the outputs known from...
Index: SEE-04440
Index: SEE-04440
Nano Screw Terminal Adapter - screw connectors - hat for Arduino Nano - Arduino ASX00037
Nano Screw Terminal Adapter is an overlay designed for the Arduino Nano series board, which allows for comprehensive prototyping without the need to solder the leads. The...
Index: ARD-22374
Index: ARD-22374
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
ScrewShield x2 v2 - screw connectors - Shield for Arduino
Included are two shields, leading out all the Arduino pins on the connectors to which you can connect the cable using the screw connections using screwdriver.
Index: MOD-05343
Index: MOD-05343
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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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
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
Screw Shield v3 - screw connectors for Arduino - Iduino EX027
Overlay consisting of two boards bringing out all Arduino pins on screw connectors, to which you can connect a wire with a screwdriver. Additionally there are analog and...
Index: OST-14327
Index: OST-14327
Arduino Proto Shield Uno Rev3 TSX00083
Shield for the Arduino Uno that allows you to create your own systems (shields). The model is suitable for the latest versions of the family of Arduino Uno Rev3. It has a...
Index: ARD-12952
Index: ARD-12952
Relay Shield v3.0 is a high quality relay board for regulating large load currents compatible with Arduino / Seeeduino with built-in LED indicators and screw terminals....
Index: SEE-14131
Index: SEE-14131
Sensor Shield V5.0 - Shield for Arduino
Arduino extension kit. It allows you to connect various devices like sensors, servos, buttons, potentiometers, relays etc. It has pins from Arduino board along with 5V and...
Index: MOD-03725
Index: MOD-03725
SX1509 - GPIO expander 16 I/O for Arduino - SparkFun BOB-13601
Expansion board with 16 GPIO pins together with I2C interface what means that to fully use all pins you only need to connect two wires to the microcontroller. SX1509 has also...
Index: SPF-11147
Index: SPF-11147
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What is an extender?
The possibilities of versatile use of popular Arduino systems are largely due to their modular design. The microcomputer programmer starts designing the system by selecting the main unit (main module) equipped with a control microprocessor, which, depending on the required functions and needs, retrofits with external accessories and expansion modules.
When creating larger constructions, you will need to purchase additional modules. They will increase the voltage resistance of the device, they will be a convenient platform for connecting more and more subsequent modules.
The most common extension module of the Arduino Shield is the pin expander. It is a module in the form of a printed circuit board or electronic circuit connected to the mainboard pins. The connection between the Arduino motherboard also depends on the type of Arduino Shield overlay, UART, SPI or I2C communication buses are often used.
Arduino expanders – one of the biggest extensions you can imagine
Arduino Shield expander is an extension of possibilities in Arduino systems. Thanks to its diversity, it will make it easier for you to design and adapt your microcomputer to your needs.
The simplest expander for Arduino is a board equipped with screw connectors. This design makes connecting wires to the main unit's inputs and outputs (motherboard) much easier. The connection strength is also greater.
The screw connection module integrates with the main unit through the pins. If you want to increase the current efficiency of the outputs, a module with relays can be helpful, which you can control devices with supply voltage up to 250 VAC and switching currents up to 15 A. For Arduino applications in the area of measurements, Arduino Shield equipped with clamp and screw connectors is available. Then you can easily connect sensors to such equipment - e.g. temperature, humidity or pressure sensors, as well as resistors for calibrating the measuring channel.
On the technical level, interface handling deserves attention. The Arduino pin expander can also support many interfaces such as SPI (LCD, LED display modules), IIC (ICD display modules, I / O modules), Micro SD, SD, TLC (LED controller). As you can see - there are really many possibilities!
Expand your project or… create your very own Arduino Shield!
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 over 1 A. If you are building a larger project, use the Arduino expander to be able to install even more other Arduino covers (Arduino Shields) !
However, one of the most important advantages is that some products give you the opportunity to create an Arduino overlay for yourself (e.g. Proto Shield)! Do you have needs that go beyond the available Arduino Shield modules? No problem! Build your own expander. Adjust its options to your needs. Now no project will be limited!
In Botland store you will find pin expanders in the form of printed circuit boards equipped with all connectors for connecting them to the main unit. You can create your own Arduino Shield on the printed circuit board.