Design with SparkFun Digital Sandbox in Cirkit DesignerThe SparkFun Digital Sandbox (Sandbox) is an educational platform designed to introduce electronics and programming in an easy-to-understand format. It is equipped with built-in sensors and components, making it an ideal tool for beginners to experiment with and learn the basics of electronic circuits and coding without the need for soldering or breadboarding.
This circuit features an Adafruit Circuit Playground Dev Edition microcontroller interfaced with a pushbutton and two slide potentiometers. The pushbutton is connected to digital pin D6, while the potentiometers provide analog input to pins D9 and D10, allowing for variable control inputs.
Open Project in Cirkit Designer
This circuit features an Arduino UNO microcontroller interfaced with an Adafruit ADXL345 accelerometer, an HC-SR04 ultrasonic sensor, two SG90 servomotors, a DFPlayer Mini MP3 module, a WS2812 RGB LED strip, and a loudspeaker. The Arduino controls the LED strip and servomotors based on distance measurements from the ultrasonic sensor and plays sounds through the DFPlayer Mini when motion is detected by the accelerometer. The circuit is designed for interactive displays or installations where visual and auditory feedback is provided in response to object proximity and movement.
Open Project in Cirkit Designer
This circuit features an ESP32 Devkit V1 microcontroller interfaced with a DFPlayer Mini MP3 player module, an RFID-RC522 reader, a piezo speaker, and two arcade buttons. The ESP32 controls audio playback through the DFPlayer Mini, which is connected to the speaker, and uses the RFID reader to trigger specific audio tracks based on RFID tag data. The arcade buttons are used to control playback and adjust volume, while a rocker switch and battery mount provide power management.
Open Project in Cirkit Designer
This circuit features an Arduino Nano microcontroller interfaced with a DFPlayer Mini MP3 module for audio playback, a WS2812 RGB LED strip for visual effects, and a pushbutton for user input. The Arduino controls the LED strip to create lighting effects and uses the DFPlayer Mini to play sounds from an SD card when the button is pressed. Additional components like resistors and capacitors are used for signal conditioning and power stabilization, while a toggle switch and a lithium battery provide power management capabilities.
Open Project in Cirkit Designer| Pin Number | Function | Description |
|---|---|---|
| 1 | Reset | Resets the microcontroller |
| 2-13 | Digital I/O | Digital input/output pins |
| A0-A5 | Analog Input | Analog input pins |
| 5V | Power | 5V power supply |
| GND | Ground | Ground connection |
| AREF | Analog Reference | Reference voltage for the analog inputs |
| 3.3V | 3.3V Supply | 3.3V power supply |
// Blink an LED connected to pin 13
void setup() {
pinMode(13, OUTPUT); // Set pin 13 as an output
}
void loop() {
digitalWrite(13, HIGH); // Turn the LED on
delay(1000); // Wait for a second
digitalWrite(13, LOW); // Turn the LED off
delay(1000); // Wait for a second
}
Q: Can I power the Digital Sandbox with a battery? A: Yes, you can use a battery pack with a USB connector or a regulated 5V supply connected to the VIN pin.
Q: Is the Digital Sandbox compatible with all Arduino shields? A: Not all shields will be compatible due to the Sandbox's unique form factor and pin layout. Check compatibility before attempting to connect a shield.
Q: How do I extend the capabilities of the Digital Sandbox? A: You can connect additional sensors and actuators to the Sandbox using the I/O pins, following the Sandbox's voltage and current specifications.