The Danger Shield mounts on top of your Arduino or Arduino Pro and equips it with a variety of fun and useful inputs and outputs. There is no specific application in mind; it's just a collection of things to experiment with, given a concise but otherwise meaningless name. The shield's features include:
- Three linear slide potentiometers connected to the Arduino's analog pins 0 through 2.
- Red and yellow LEDs connected to digital pins 5 and 6 (PWM pins) so you can vary their brightness easily.
- Three momentary pushbuttons connected to the Arduino's digital pins 10 through 12. Those lines will go low when the buttons are pressed.
- A photocell and a temperature sensor, both with analog outputs, connected to the analog pins 3 and 4, respectively.
- An 8-bit shift register set up to control a blue 7-segment LED.
- A buzzer to get sound out of your Arduino.
- Capacitive Touchpad which uses the CapSense library to sense touch.
This product comes as a kit of parts, which you'll have to solder into the included PCB. All parts are through-hole so it should go together relatively easily as long as you always check your component orientation before soldering. The lower picture shows what the board will look like when it has been assembled. The upper picture shows a previous version of the kit, which had a different temperature sensor and an extra resistor that was required for that sensor.
- Danger Shield PCB
- Three Slide Potentiometers, 10K
- 7-Segment LED, Blue
- 8-bit Shift Register, 74HC595
- Temperature Sensor, TMP36
- Miniature Photocell
- Basic LED, Red
- Two Basic LEDs, Yellow
- Mini Push Button
- Three Momentary Push Buttons, 12mm Square
- 11 Resistors, 330 Ohm
- Resistor, 10K Ohm
- Resistor, 1M Ohm 1/6W
- Two 8-pin Arduino Stackable Headers
- Two 6-pin Arduino Stackable Headers
Arduino Danger Shield Resources The example sketch does a sequential test of each device on the Danger Shield. Press the D10 button to move from one test to the next. The order is Button 1 Test (A2), Slider Test, Buzzer Test, Capacitive Sensor Test, Temperature Sensor Test, Light Sensor Test, Buttons 2 & 3 Test (D11 and D12), Seven-Segment Display Test. The source code has comments with more details.
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