

The DIALL 2 Input is a dual-input digital interface designed to enable seamless communication and data transfer between two separate digital devices. Manufactured by DIALL, this component is ideal for applications requiring reliable and efficient digital interfacing. It is commonly used in embedded systems, industrial automation, and IoT devices where multiple digital inputs need to be processed or controlled.








The DIALL 2 Input is designed with robust technical features to ensure compatibility and reliability in various applications.
| Parameter | Specification |
|---|---|
| Operating Voltage | 3.3V to 5V |
| Input Voltage Range | 0V to 5V |
| Input Logic Levels | Low: 0V to 0.8V, High: 2V to 5V |
| Maximum Input Current | 10mA per input |
| Communication Protocol | Digital (TTL/CMOS compatible) |
| Operating Temperature | -40°C to 85°C |
| Dimensions | 20mm x 15mm x 5mm |
The DIALL 2 Input has a simple pinout for easy integration into circuits.
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VCC | Power supply input (3.3V to 5V) |
| 2 | GND | Ground connection |
| 3 | IN1 | Digital input 1 (accepts 0V to 5V signals) |
| 4 | IN2 | Digital input 2 (accepts 0V to 5V signals) |
| 5 | OUT1 | Output corresponding to IN1 |
| 6 | OUT2 | Output corresponding to IN2 |
The DIALL 2 Input is straightforward to use in digital circuits. Follow the steps below to integrate it into your project.
VCC pin to a 3.3V or 5V power source and the GND pin to the ground of your circuit.IN1 and IN2 pins. Ensure the input voltage levels are within the specified range (0V to 5V).OUT1 and OUT2 pins, corresponding to IN1 and IN2, respectively.VCC and GND to filter noise and stabilize the power supply.Below is an example of how to connect and use the DIALL 2 Input with an Arduino UNO.
VCC to the 5V pin on the Arduino.GND to the GND pin on the Arduino.IN1 and IN2 to digital pins 2 and 3 on the Arduino, respectively.OUT1 and OUT2 to LEDs or other output devices for testing.// Define input pins for DIALL 2 Input
const int input1 = 2; // IN1 connected to digital pin 2
const int input2 = 3; // IN2 connected to digital pin 3
// Define output pins for testing
const int output1 = 8; // OUT1 connected to digital pin 8
const int output2 = 9; // OUT2 connected to digital pin 9
void setup() {
// Initialize input pins
pinMode(input1, INPUT);
pinMode(input2, INPUT);
// Initialize output pins
pinMode(output1, OUTPUT);
pinMode(output2, OUTPUT);
}
void loop() {
// Read the state of the inputs
int state1 = digitalRead(input1);
int state2 = digitalRead(input2);
// Set the outputs based on the input states
digitalWrite(output1, state1); // Output mirrors input1
digitalWrite(output2, state2); // Output mirrors input2
// Add a small delay to stabilize the loop
delay(10);
}
No Output Signal:
VCC and GND are properly connected and the power supply is within the specified range.Erratic Output Behavior:
Component Overheating:
Arduino Not Responding to Inputs:
Q1: Can the DIALL 2 Input handle analog signals?
A1: No, the DIALL 2 Input is designed for digital signals only. Use an ADC (Analog-to-Digital Converter) if you need to process analog signals.
Q2: What happens if I connect a 12V signal to the input pins?
A2: Connecting a voltage higher than 5V can damage the component. Always ensure input signals are within the 0V to 5V range.
Q3: Can I use the DIALL 2 Input with a 3.3V microcontroller?
A3: Yes, the DIALL 2 Input is compatible with both 3.3V and 5V systems.
Q4: Is the component suitable for high-speed data transfer?
A4: The DIALL 2 Input is optimized for standard digital interfacing and may not be suitable for high-speed data transfer applications.
By following this documentation, you can effectively integrate and troubleshoot the DIALL 2 Input in your projects.