Design with KeyeStudio Uno Prototype PCB in Cirkit DesignerThe KeyeStudio Uno Prototype PCB is a versatile and user-friendly platform designed for hobbyists, educators, and prototyping professionals. This prototyping printed circuit board is specifically tailored to be compatible with Arduino Uno boards, facilitating the easy connection and soldering of various electronic components. It is an essential tool for developing and testing new circuits before finalizing a design for production.
This circuit features an Arduino UNO microcontroller interfaced with a 16x2 I2C LCD for display, a 4x4 keypad for user input, a buzzer for audio feedback, and a Tower Pro SG90 servo motor for mechanical movement. The Arduino UNO controls the components via digital and analog pins, enabling a versatile input-output system suitable for interactive applications.
Open Project in Cirkit Designer
This circuit features an Arduino UNO microcontroller interfaced with a 16x2 I2C LCD display, a membrane matrix keypad, and a micro servo motor. The Arduino controls the LCD via I2C communication, reads input from the keypad, and drives the servo motor using a PWM signal.
Open Project in Cirkit Designer
This circuit features an Arduino UNO microcontroller powered by a 9V battery, interfaced with a 16x4 LCD display via I2C communication (using SDA and SCL lines connected to the Arduino's A4 and A5 pins, respectively) for output. Additionally, the circuit includes a 4x4 membrane matrix keypad connected to the digital pins D2 to D9 of the Arduino for user input. The purpose of this circuit is likely to allow user interaction through the keypad and provide feedback or display information on the LCD screen.
Open Project in Cirkit Designer
This circuit is designed to interface an Arduino UNO with a 4x4 keypad for user input, a servo motor for actuation, a potentiometer for LCD contrast control, and a 16x2 LCD display for output. The Arduino is central to processing the keypad input, controlling the servo position, and updating the display based on the program that needs to be written.
Open Project in Cirkit Designer| Pin Number | Description | Notes |
|---|---|---|
| 1-14 | Digital Pins (0-13) | Directly connected to Arduino |
| A0-A5 | Analog Input Pins | Directly connected to Arduino |
| GND | Ground Pins | Multiple for easy access |
| 5V | 5V Power Rail | Supplied by Arduino when connected |
| 3.3V | 3.3V Power Rail | Supplied by Arduino when connected |
| VIN | Voltage Input for Arduino | Can be used to power Arduino |
| RESET | Reset Pin | Connected to Arduino's reset |
Q: Can I use the KeyeStudio Uno Prototype PCB with other Arduino models? A: The PCB is designed for the Arduino Uno form factor. It may not align with other models.
Q: How many components can the PCB accommodate? A: The number of components depends on their size and the complexity of the circuit. Plan your layout accordingly.
Q: Is it possible to reuse the PCB after desoldering components? A: Yes, with careful desoldering, the PCB can be reused for multiple projects.
Here's a simple example of how to use the KeyeStudio Uno Prototype PCB with an Arduino Uno to blink an LED:
// Pin where the LED is connected
const int ledPin = 13;
void setup() {
// Initialize the digital pin as an output.
pinMode(ledPin, OUTPUT);
}
void loop() {
digitalWrite(ledPin, HIGH); // Turn the LED on
delay(1000); // Wait for a second
digitalWrite(ledPin, LOW); // Turn the LED off
delay(1000); // Wait for a second
}
Note: In this example, the LED is assumed to be connected to pin 13 of the KeyeStudio Uno Prototype PCB, which corresponds to the onboard LED of the Arduino Uno. If you're using an external LED, ensure it's connected with a suitable current-limiting resistor to prevent damage.