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* '''🎮 Gesture Recognition: Det'''ects 5 … * '''🎮 Gesture Recognition: Det'''ects 5 predefined gestures including thumbs-up, OK sign, open palm, peace sign, and hang loose (SIX) within a 0.5–3m range * ''' Face & Presence Detection: Recognizes up''' to 10 faces or upper-body presences simultaneously with position and confidence score * '''🔒 Fully Offline Processing: All''' AI inference runs onboard, preserving privacy and reducing latency * '''🎛️ Interface Options: Com'''municates via I2C (default 0x72) or UART (RS485, Modbus protocol) * '''🔌 Voltage Support: Ope'''rates between 3.3V and 5V, making it compatible with Arduino, Raspberry Pi, ESP32, and graphical platforms like MakeCode i, ESP32, and graphical platforms like MakeCode +
<nowiki>=== 🖥️ Key Libraries ===<
…
=== 🖥️ Key Libraries ===
#include "DFRobot_GestureFaceDetection.h"

#include

💾 Setup Block
DFRobot_GestureFaceDetection_I2C gfd(0x72); // I2C Address
TFT_eSPI tft;

void setup() {
Serial.begin(115200);
Wire.begin();
tft.begin();
tft.setRotation(3);
tft.fillScreen(TFT_BLACK);
gfd.begin();
}
🔄 Loop Block
void loop() {
if (gfd.getFaceNumber() > 0) {
int faceX = gfd.getFaceLocationX();
int faceY = gfd.getFaceLocationY();
int score = gfd.getFaceScore();

int gesture = gfd.getGestureType();
int gScore = gfd.getGestureScore();

// Display values using drawString() and drawRect()
} else {
// No face detected: show idle state
}
delay(500);
}
📌 You can customize the layout and colors using drawRect, drawString, and setTextColor() from TFT_eSPI.
span class="c1">// Display values using drawString() and drawRect() } else { // No face detected: show idle state } delay(500); } </pre></div> 📌 You can customize the layout and colors using drawRect, drawString, and setTextColor() from TFT_eSPI.</nowiki>
A slick GUI interface that: * Detects and displays real-time face '''location and confidence score''' * ✋ Tracks '''gesture type and score''' * 🖥️ Renders a visual dashboard on the Wio Terminal’s screen * 🔒 Operates fully offli'''ne—no c'''loud needed +
Connect the Gesture & Face Sensor to ' … Connect the Gesture & Face Sensor to '''Wio Terminal via I2C''' using a Grove cable: * SDA → SDA * SCL → SCL * VCC → 3.3V * GND → GND === Sensor Overview === The DFRobot Gesture & Face Detection Sensor features: * Recognition of 5 gestures: * 👍 LIKE (Blue) * 👌 OK (Green) * ✋ STOP (Red) * ✌️ YES (Yellow) * SIX (Purple) * Up to 10 faces simultaneously * Field of View: 85° * Range: 0.5m – 3m * Privacy: Full offline inferenceRange: 0.5m – 3m * Privacy: Full offline inference +
DFRobot Gesture/Face Sensor Arduino Librar … DFRobot Gesture/Face Sensor Arduino Library * DFRobot Gesture/Face Sensor Arduino Library * Wio Terminal Wiki + Setup Guide * Gesture Sensor Product Page === Final Thoughts === This project combines edge AI sensing with embedded GUI design to produce a real-time, privacy-safe control interface. Whether you're building a smart kiosk or experimenting with ambient UX, Wio Terminal and the SEN0626 sensor offer a perfect starting point.626 sensor offer a perfect starting point. +
Explore technical docs, examples, and buy the sensor on the DFRobot product page +
The Gravity: Offline Edge AI Gesture & Face Detection Sensor (SEN0626) by DFRobot is a compact vision module designed for real-time gesture recognition and multi-person detection—without relying on cloud connectivity +
The Wio Terminal is a full-featured embedd … The Wio Terminal is a full-featured embedded development board designed for rapid prototyping and IoT. === 🔧 Key Specs: === * ATSAMD51 Cortex-M4F MCU (120–200MHz) * Realtek RTL8720DN Wi-Fi + BLE * 2.4" TFT LCD (320×240) * Grove connectors for sensor integration * Built-in microphone, accelerometer, buzzer, light sensor, infrared emitter * USB OTG, microSD slot * Full support for Arduino, CircuitPython, ArduPysupport for Arduino, CircuitPython, ArduPy +
Unlike traditional vision sensors or cloud … Unlike traditional vision sensors or cloud AI APIs, the SEN0626 handles all computations locally with zero data transmission. This makes it perfect for environments like public kiosks, hospital automation, classroom counters, or smart bathrooms where privacy and simplicity are critical. You can install it in ceilings, desks, or embedded enclosures, and it consistently outputs gesture ID, score, and face coordinates for real-time UI feedback.ace coordinates for real-time UI feedback. +
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