![]() There is quite a lot going on in this shield so for a full rundown on everything included in the ProtoShield Kit and how to use it, check out the ProtoShield Hookup Guide! Half of this area has solder jumper pads on the bottom you can close to make it function more like a breadboard while the other half functions as a standard prototyping/perfboard area. The ProtoShield includes a large prototyping area in the center. ProtoShield Kit - The self-titled star of this category.Prototyping shields do things like breaking out various pins to screw terminals or create a space to build and test a circuit on the shield. ![]() Prototyping shields usually do not augment the functionality of the Arduino like other shields but they help in other ways. Another potential issue you may run across with a 3.3V logic Arduino is if the shield pulls any of the pins to a 5V reference voltage through something like a pull up resistor.Ĭlick to Browse Arduino Shields! Prototyping & More Quite a few shields can function just fine with a board running at either logic level but you may run into some erratic behavior with level shifting circuits set up to work best with a 5V system. For example, the Arduino Uno R3 runs at 5V logic where the RedBoard Artemis runs at 3.3V. XBee Shield Pins Rerouted for ATmega32U4-Based ArduinoĪlso note that there are several Arduino development boards available now that fit the R3 form factor but run at a different logic level than the standard Uno/RedBoard. XBee Shield Pins Rerouted for ATmega2560-Based Arduino For more information, check out the XBee Shield Hookup guide. If you were to use the Arduino Leonardo (an ATmega32U4-based board) or the Arduino Mega 2560 (an ATmega2560-based board), you would need to reroute the connection and redefine the pin definitions. For example, the XBee shield was designed for the Arduino Uno R3 (an ATmega328P-based board). If a shield was designed with the ATmega328p in mind, the pin functionality may be in a different location. Additionally, you will also want to ensure that shield pins are compatible with your development board.
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