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How to Use retroclick: Examples, Pinouts, and Specs

Image of retroclick
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Introduction

The Retroclick is a tactile switch designed to replicate the feel and aesthetic of vintage electronic devices. It provides a satisfying "click" feedback when pressed, making it ideal for applications where user interaction and nostalgia are key. The Retroclick is commonly used in custom keyboards, retro-style gaming consoles, audio equipment, and DIY electronics projects. Its robust design and unique tactile response make it a favorite among hobbyists and professionals alike.

Explore Projects Built with retroclick

Use Cirkit Designer to design, explore, and prototype these projects online. Some projects support real-time simulation. Click "Open Project" to start designing instantly!
Arduino Mega 2560-Controlled Servo System with Bluetooth and Sensor Interface
Image of Završni: A project utilizing retroclick in a practical application
This is a microcontroller-based control system featuring an Arduino Mega 2560, designed to receive inputs from a rotary potentiometer, push switches, and an IR sensor, and to drive multiple servos and an LCD display. It includes an HC-05 Bluetooth module for wireless communication, allowing for remote interfacing and control.
Cirkit Designer LogoOpen Project in Cirkit Designer
ESP32-Based Battery-Powered Universal IR Remote with OLED Display
Image of IR remote: A project utilizing retroclick in a practical application
This circuit is an IR remote control system using an ESP32 microcontroller. It includes an IR receiver and transmitter for capturing and sending IR signals, an OLED display for user interface, and multiple buttons for user input. The system can store and manage multiple remote control codes.
Cirkit Designer LogoOpen Project in Cirkit Designer
Raspberry Pi Pico-based PS2 Controller Emulator with ADS1115 Analog Input
Image of PS2Pico: A project utilizing retroclick in a practical application
This circuit appears to be a game controller interface that uses a Raspberry Pi Pico microcontroller to emulate a PS2 controller, interfacing with a PS2 joystick and a PS2 console cable. The ADS1115 analog-to-digital converter is used to read the joystick's analog signals, and the microcontroller's SPI and I2C interfaces are utilized for communication with the PS2 console and the ADS1115, respectively. Additionally, an NPN transistor and a resistor are configured to handle the PS2 controller's acknowledge signal.
Cirkit Designer LogoOpen Project in Cirkit Designer
ESP32C3 Supermini Based Interactive Reaction Game with RGB LED Effects and ESP-NOW Communication
Image of Duelling Wand: A project utilizing retroclick in a practical application
This is a reaction time game circuit featuring two ESP32C3 Supermini microcontrollers that communicate wirelessly. Players respond to LED signals by pressing buttons, and the microcontrollers measure reaction times, control LED effects, and determine the game's outcome. The circuit includes current-limiting resistors, user input buttons, visual feedback RGB LEDs, and a power management system with a battery, DC socket, and rocker switch.
Cirkit Designer LogoOpen Project in Cirkit Designer

Explore Projects Built with retroclick

Use Cirkit Designer to design, explore, and prototype these projects online. Some projects support real-time simulation. Click "Open Project" to start designing instantly!
Image of Završni: A project utilizing retroclick in a practical application
Arduino Mega 2560-Controlled Servo System with Bluetooth and Sensor Interface
This is a microcontroller-based control system featuring an Arduino Mega 2560, designed to receive inputs from a rotary potentiometer, push switches, and an IR sensor, and to drive multiple servos and an LCD display. It includes an HC-05 Bluetooth module for wireless communication, allowing for remote interfacing and control.
Cirkit Designer LogoOpen Project in Cirkit Designer
Image of IR remote: A project utilizing retroclick in a practical application
ESP32-Based Battery-Powered Universal IR Remote with OLED Display
This circuit is an IR remote control system using an ESP32 microcontroller. It includes an IR receiver and transmitter for capturing and sending IR signals, an OLED display for user interface, and multiple buttons for user input. The system can store and manage multiple remote control codes.
Cirkit Designer LogoOpen Project in Cirkit Designer
Image of PS2Pico: A project utilizing retroclick in a practical application
Raspberry Pi Pico-based PS2 Controller Emulator with ADS1115 Analog Input
This circuit appears to be a game controller interface that uses a Raspberry Pi Pico microcontroller to emulate a PS2 controller, interfacing with a PS2 joystick and a PS2 console cable. The ADS1115 analog-to-digital converter is used to read the joystick's analog signals, and the microcontroller's SPI and I2C interfaces are utilized for communication with the PS2 console and the ADS1115, respectively. Additionally, an NPN transistor and a resistor are configured to handle the PS2 controller's acknowledge signal.
Cirkit Designer LogoOpen Project in Cirkit Designer
Image of Duelling Wand: A project utilizing retroclick in a practical application
ESP32C3 Supermini Based Interactive Reaction Game with RGB LED Effects and ESP-NOW Communication
This is a reaction time game circuit featuring two ESP32C3 Supermini microcontrollers that communicate wirelessly. Players respond to LED signals by pressing buttons, and the microcontrollers measure reaction times, control LED effects, and determine the game's outcome. The circuit includes current-limiting resistors, user input buttons, visual feedback RGB LEDs, and a power management system with a battery, DC socket, and rocker switch.
Cirkit Designer LogoOpen Project in Cirkit Designer

Technical Specifications

The Retroclick is a simple yet versatile component. Below are its key technical details:

General Specifications

Parameter Value
Operating Voltage 3.3V to 5V
Maximum Current Rating 50mA
Contact Resistance ≤ 100mΩ
Insulation Resistance ≥ 100MΩ at 500V DC
Operating Temperature -20°C to +70°C
Actuation Force 50g to 70g
Lifespan 1,000,000 actuations

Pin Configuration and Descriptions

The Retroclick typically has two or four pins, depending on the model. Below is the pin configuration for the most common 4-pin variant:

Pin Number Description
1 Switch Terminal 1 (Input)
2 Switch Terminal 2 (Output)
3 Switch Terminal 1 (Duplicate)
4 Switch Terminal 2 (Duplicate)

Note: Pins 1 and 3 are internally connected, as are pins 2 and 4. This redundancy ensures a stable connection in various mounting configurations.

Usage Instructions

How to Use the Retroclick in a Circuit

  1. Identify the Pins: Use a multimeter to confirm the continuity between the pins. Pins 1 and 3 are connected, as are pins 2 and 4.
  2. Connect to Power and Load:
    • Connect one terminal (e.g., Pin 1) to the power source or signal input.
    • Connect the other terminal (e.g., Pin 2) to the load or signal output.
  3. Debounce the Switch: To avoid erratic behavior caused by mechanical bouncing, use a capacitor (e.g., 0.1µF) or a software debounce algorithm in your microcontroller code.
  4. Test the Circuit: Press the Retroclick to ensure proper operation. You should hear a tactile "click" and observe the expected behavior in your circuit.

Important Considerations and Best Practices

  • Mounting: Ensure the Retroclick is securely mounted on the PCB or panel to prevent movement during operation.
  • Voltage and Current Limits: Do not exceed the specified voltage (5V) or current (50mA) to avoid damaging the switch.
  • Debouncing: Always implement debouncing to ensure reliable operation in digital circuits.
  • Aesthetic Placement: For retro-themed projects, consider the placement of the Retroclick to enhance the overall design.

Example: Using the Retroclick with an Arduino UNO

Below is an example of how to use the Retroclick with an Arduino UNO to toggle an LED:

// Define pin connections
const int retroclickPin = 2; // Retroclick connected to digital pin 2
const int ledPin = 13;       // LED connected to digital pin 13

// Variable to store the LED state
bool ledState = false;

// Variable to store the last button state
bool lastButtonState = LOW;

// Debounce timing variables
unsigned long lastDebounceTime = 0;
const unsigned long debounceDelay = 50; // 50ms debounce delay

void setup() {
  pinMode(retroclickPin, INPUT_PULLUP); // Set Retroclick pin as input with pull-up
  pinMode(ledPin, OUTPUT);             // Set LED pin as output
}

void loop() {
  // Read the current state of the Retroclick
  bool currentButtonState = digitalRead(retroclickPin);

  // Check if the button state has changed
  if (currentButtonState != lastButtonState) {
    lastDebounceTime = millis(); // Reset debounce timer
  }

  // If the debounce delay has passed and the button state is stable
  if ((millis() - lastDebounceTime) > debounceDelay) {
    // If the button state is HIGH (pressed)
    if (currentButtonState == LOW && lastButtonState == HIGH) {
      ledState = !ledState; // Toggle the LED state
      digitalWrite(ledPin, ledState); // Update the LED
    }
  }

  // Update the last button state
  lastButtonState = currentButtonState;
}

Explanation of the Code:

  • The Retroclick is connected to pin 2 of the Arduino UNO with an internal pull-up resistor enabled.
  • The LED is connected to pin 13.
  • A debounce algorithm ensures that mechanical bouncing does not cause erratic behavior.
  • Pressing the Retroclick toggles the LED on and off.

Troubleshooting and FAQs

Common Issues and Solutions

  1. The Retroclick does not respond when pressed:

    • Ensure the switch is properly connected to the circuit.
    • Verify the voltage and current levels are within the specified range.
    • Check for loose connections or cold solder joints.
  2. Erratic behavior when pressing the switch:

    • Implement a debounce circuit or software debounce algorithm.
    • Check for noise in the power supply and add a decoupling capacitor if necessary.
  3. The tactile feedback feels weak or inconsistent:

    • Ensure the Retroclick is not damaged or worn out. Replace if necessary.
    • Verify that the switch is securely mounted and not under mechanical stress.

FAQs

Q: Can the Retroclick handle AC signals?
A: The Retroclick is primarily designed for low-voltage DC applications. Using it with AC signals is not recommended unless the voltage and current are within the specified limits.

Q: How do I clean a Retroclick switch?
A: Use compressed air to remove dust and debris. Avoid using liquids or solvents, as they may damage the internal components.

Q: Can I use the Retroclick in outdoor applications?
A: The Retroclick is not weatherproof. For outdoor use, consider enclosing it in a weather-resistant housing.

By following this documentation, you can effectively integrate the Retroclick into your projects and troubleshoot any issues that arise.