For me its worthy.
The item worked just as described. A very nice Sensor Shield for Arduino.
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The Arduino mega has many more i/o pins (54 digital pins and 16 analog pins)than a standard Arduino. This Arduino shield also has connectors specifically for some external devices like an SD card, radio communications (Bluetooth and others). It also has an option to power the "v" pins on all the digital i/o 3-pin groups from an external power supply instead of the Arduino +5v. This is good for large numbers of servos etc. The "analog" 3-pin groups still use the Arduino +5v which is better from an electrical noise perspective. Version has two options of +5v supply to all the "v" pins jumper on: +5 comes from the Arduino. Should be limited to about 300 ma jumper off: +5 (or other appropriate voltage) comes from an external supply connected to the blue terminal strip. External power ground must also be connected to the blue terminal strip.
New Arduino Mega 2560 R3 Sensor Shield V2.0 has an advantage of a PCB Immersion Gold processed all of the digital and analog interfaces, the motherboard will not only be extended to the steering gear line order form ad hoc Bluetooth module communication interface, SD card module communication interface, APC220 radio frequency module communication interface, and RB URF v1.1 ultrasonic sensor interface, and independent expansion easier to use convenient. beginner, do not have cumbersome complex circuit connection and headache, will simplify the circuit on the true meaning of this sensor expansion board can easily connect the commonly used sensor, a sensor only needs a universal 3P sensor cable (regardless of digital cable and analog cable), complete the circuit connection, write the program is downloaded to the MEGA controller reads the sensor data, or receive wireless module return data, operation processing, final Easily complete your own interactive works.
Compatibility | Mega Board compatible with Arduino |
Dimensions | 10 x 5.4 x 1.8cms |
Weight | 50 grams |
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The intention of an Arduino sensor shield is to streamline the procedure of interconnecting sensors and other input devices to an Arduino microcontroller board. This shield is, in essence, an extension board that fits on top of the Arduino and provides a sequence of input connectors for a variety of sensor types and devices.
By utilizing a sensor shield, you can circumvent the need to manually connect sensors and devices directly to the Arduino's input pins, which can consume a significant amount of time and be prone to error. Instead, you only need to plug the sensors and devices into the appropriate connectors on the shield, and the shield manages the connection to the Arduino.
Sensor shields generally offer an array of input connectors, including analog inputs for sensors that provide uninterrupted voltage readings, digital inputs for sensors that provide distinct on/off signals, and connectors for other categories of devices such as buttons, switches, and relays.
The term "Arduino shield" refers to an expansion board that can be connected to an Arduino microcontroller board to add additional functionality. The term "shield" comes from the fact that the expansion board is designed to fit on top of the Arduino board, like a shield, and connect to the Arduino's input/output pins.
The concept of using expansion boards to add functionality to a base board is not unique to Arduino. In fact, expansion boards for microcontrollers have been around for many years and are commonly referred to as "daughter boards" or "mezzanine boards."
However, the term "Arduino shield" has become widely used to refer specifically to expansion boards that are designed to work with Arduino boards and follow the Arduino form factor and pin layout. Arduino shields are often designed to work with specific types of sensors or devices, and they typically include connectors, headers, or other interface components that make it easy to connect the shield to the Arduino.