1. Introduction
The Keyes PAJ7620 gesture recognition sensor, a new 2021 DIY electronic building block, is a module that can detect gestures in real time. It is suitable for various applications such as voice control, motion control, and human-computer interaction, simplifying the interaction between users and devices.
2. Features
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Environmentally friendly materials : The black environmentally friendly materials used meet safety standards.
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High sensitivity : Quickly responds to gestures and supports multiple gesture recognition.
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Anti-reverse insertion interface : Equipped with blue anti-reverse insertion terminals to ensure a stable and reliable connection.
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Wide compatibility : Compatible with various controllers such as Arduino and Raspberry Pi, making it easy to integrate into projects.
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Easy to use : Simplified connection, suitable for beginners.
3. Specifications
|
parameter |
describe |
|---|---|
|
model |
KE4042 |
|
Sensor type |
PAJ7620 gesture recognition sensor |
|
Wire length |
200mm |
|
Operating voltage |
DC 3.3V-5V |
|
Interface type |
I2C |
|
Detection range |
0-50cm (gesture distance) |
|
Power consumption |
Approximately 15mA (when operating at 5V) |
4. Working Principle
The PAJ7620 module detects gestures using a built-in infrared sensor. Its working principle is as follows:
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Power connection : The module is connected to the power supply via VCC and GND, supporting DC 3.3V-5V.
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Signal output : Outputs gesture recognition information via I2C interface for corresponding control.
5. Foot position description
|
Pin Name |
describe |
|---|---|
|
VCC |
Connect the positive power supply; supports DC 3.3V-5V. |
|
GND |
negative power connection |
|
SDA |
Data cable, used for I2C communication |
|
SCL |
Clock line, used for I2C communication |