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Item #:
40770139
Multi-Function Prototyping Expansion Shield For Arduino UNO LEONARDO MEGA2560
99% of respondents would recommend this to a friend
Item #:
40770139
KGS 2190
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Product Details
- Multi-Function Prototyping / Expansion Shield For Arduino UNO LEONARDO MEGA2560 The Multi-Function Prototyping / Expansion Shield is an Arduino-compatible development board packed with on-board components and expansion headers. It plugs directly onto your Arduino UNO R3, Leonardo, or MEGA2560 using standard R3-type headers — no wiring or breadboard needed to get started. This shield is ideal for beginners who want to experiment and learn without the hassle of wiring individual components on a breadboard. It is also a great general-purpose prototyping and development platform for more advanced users who need quick access to common I/O devices like displays, buttons, LEDs, and sensor interfaces. How It Works Align the shield's pin headers with your Arduino UNO R3, Leonardo, or MEGA2560 and press firmly until all pins are fully seated. Connect your Arduino to your computer via USB cable and open the Arduino IDE. Upload a sketch — the on-board components (LEDs, display, buttons, buzzer, potentiometer) are ready to use immediately. Use the expansion headers to connect optional external modules such as temperature sensors, an infrared receiver, servo motors, or serial communication devices. Key Features 4-Digit 7-Segment LED Display — Driven by two cascaded 74HC595 serial-to-parallel shift registers 4 Surface Mount LEDs — Active LOW indicator LEDs on pins D10 through D13 10K Precision Potentiometer — Multi-turn analog trimpot on pin A0 3 Independent Push Buttons — Active LOW buttons on pins A1, A2, and A3 Integrated Piezo Buzzer — Transistor-driven buzzer on pin D3 DS18B20 Temperature Sensor Interface — One-wire digital sensor header on pin A4 (sensor not included) LM35 Temperature Sensor Interface — Analog sensor header on shared pin A4 (sensor not included) Infrared Receiver Interface — Header on pin D2 for 1838B IR receiver (not included) Servo Interface — 3-pin header for standard hobby servo motors Serial Interface Header — D0 (RX), D1 (TX), 5V, GND for APC220, Bluetooth, and voice modules Free PWM Pins Header — Breakout for pins D5, D6, D9, and A5 On-Board Reset Button — Convenient reset without reaching under the shield Specifications Compatibility: Arduino UNO R3, Leonardo, MEGA2560 (R3-type headers) Operating Voltage: 5V DC (powered via Arduino board) Display: 4-digit 7-segment LED (common cathode) Display Driver: 2x 74HC595 serial-to-parallel shift registers LEDs: 4x surface mount (active LOW, pins D10-D13) Buttons: 3x tactile push buttons (active LOW, pins A1-A3) Buzzer: Piezo buzzer with transistor driver (pin D3) Potentiometer: 10K ohm multi-turn trimpot (pin A0) Sensor Interfaces: DS18B20 (digital), LM35 (analog) — shared header on A4 IR Receiver Interface: Pin D2 — compatible with 1838B IR receiver Servo Interface: 3-pin header (Signal, VCC, GND) Serial Interface: D0 (RX), D1 (TX), 5V, GND Free Pins: D5, D6, D9 (PWM), A5 Connector Type: Standard Arduino R3-type pin headers Dimensions: Approx. 66 x 54 x 21 mm (2.6 x 2.1 x 0.83 inches) L x W x H What's in the Box 1x Multi-Function Prototyping / Expansion Shield Documentation with pinout schematic and links to sample projects Arduino board, external sensors (DS18B20, LM35, IR receiver), servo motors, and serial communication modules are not included. Compatible With Arduino UNO R3 Arduino Leonardo Arduino MEGA2560 Other Arduino-compatible boards with R3-type header layout Typical Applications Learning Arduino programming with built-in I/O components Prototyping user interfaces with buttons, LEDs, and 7-segment display Temperature monitoring projects with external sensors IR remote control projects Alarm and notification systems using the buzzer Servo control experiments Wireless communication prototyping via the serial header Classroom and workshop instruction Important Notes USB connector clearance: Ensure the LED display pins on the back of the shield do not short against the Arduino UNO board's USB connector. Place an insulator between the two to prevent contact. Active LOW LEDs: Write LOW to turn LEDs ON and HIGH to turn them OFF. Active LOW buttons: Buttons read LOW when pressed and HIGH when released. Pin conflicts: On-board components are hard-wired to specific pins. Plan projects around the free pins (D5, D6, D9, A5). Servo power: Powering a servo directly from the Arduino's 5V pin may cause voltage drops. For larger servos, use an external power supply. Serial pin sharing: Pins D0 and D1 are shared with the Arduino's USB serial connection. Disconnect serial modules before uploading new sketches.
| Compatible models | UNO R3, LEONARDO, MEGA2560 |
| Compatibility | Arduino |
| Model name | Multi-Function Prototyping / Expansion Shield For Arduino UNO LEONARDO MEGA2560 |
| Brand | Envistia Mall |
| Has written warranty | No |
| Accessories | Documentation, including pinout schematic and links to sample projects |
| Retail packaging | Single Piece |
| Item Weight | 0.2 lbs (90 grams) |
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