Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Interface Type | I2C |
| Operating Voltage | 2.4V to 3.6V |
| Gesture Recognition | 9 Types (Up, Down, Left, Right, etc.) |
| Detection Distance | 0 to 15 cm |
| Response Time | Less than 30 ms |
| Package Type | LGA Package |
| Module Dimensions | 4.9 x 2.85 x 1.35 mm |
| Light Source | Integrated IR and RGB LED |
| Operating Temperature | -30°C to 70°C |
| Communication Protocol | Standard I2C Protocol |
Anonymous
Apr 10, 2026
Rating: 4/5
Good but Tricky Calibration
Sensitive to ambient light conditions. Once calibrated properly it works well, but you need to shield it from direct sunlight for best results.
Anonymous
Mar 30, 2026
Rating: 5/5
Fast Response Time
Very quick reaction to hand movements. Low power consumption makes it suitable for battery-powered projects as well.
Anonymous
Mar 28, 2026
Rating: 4/5
Solid Component
Good value for the price. Documentation could be more detailed, but there are plenty of community examples online to help get started.
Anonymous
Feb 24, 2026
Rating: 5/5
Excellent Sensor for Projects
Works perfectly with my Arduino setup. The gesture detection is accurate and the I2C interface makes wiring very simple. Highly recommended for DIY electronics.
Anonymous
Jan 20, 2026
Rating: 5/5
Great for Arduino
Library support is available and easy to use. Detected all 9 gestures reliably during my testing phase. Fast shipping too.
Q: Does it work in complete darkness?
A: Yes, the module includes an integrated IR light source, allowing it to function effectively in low-light or dark conditions.
Q: What is the maximum reliable detection distance?
A: The optimal detection range is between 0 to 15 cm. Performance may vary beyond this distance depending on lighting and object reflectivity.
Q: Are there any libraries available for this module?
A: Yes, there are open-source libraries available for Arduino and other popular platforms that support the PAJ7620U2.
Q: Is this sensor compatible with 5V logic levels?
A: No, the operating voltage is 2.4V to 3.6V. You should use a 3.3V logic level or a logic level converter if connecting to a 5V microcontroller.
Q: How many pins does the module require?
A: The module typically requires 4 connections: VCC, GND, SCL, and SDA for I2C communication.
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