HAND GESTURE RECOGNITION

A real-time Arduino-based hand gesture recognition system capable of classifying thumbs up, fist, and thumbs down gestures for interactive control applications.

Apr 30, 2026

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CC BY-SA 4+

Arduino User Group

Robots

Devices & Components

Arduino USB-C Cable (24 pin)

Lapcare Webcam

Hardware & Tools

ARDUINO UNO Q

Software & Tools

Arduino App Lab

Project description

Code

Serial Monitor

This is the code about the Serial Monitor

1// Simulated gesture output (from AI model / Arduino Lab)
2
3String detectedGesture = "UNKNOWN";
4
5void setup() {
6  Serial.begin(9600);
7}
8
9void loop() {
10  // Simulate received gesture (replace with real model output)
11  detectedGesture = getGesture();
12
13  Serial.print("Detected Gesture: ");
14  Serial.println(detectedGesture);
15
16  delay(1000);
17}
18
19// Simulated function (replace with real AI result)
20String getGesture() {
21  int value = random(1, 4);
22
23  if (value == 1) return "THUMBS UP";
24  if (value == 2) return "FIST";
25  if (value == 3) return "THUMBS DOWN";
26
27  return "UNKNOWN";
28}

// Simulated gesture output (from AI model / Arduino Lab)

String detectedGesture = "UNKNOWN";

void setup() {
  Serial.begin(9600);
}

void loop() {
  // Simulate received gesture (replace with real model output)
  detectedGesture = getGesture();

  Serial.print("Detected Gesture: ");
  Serial.println(detectedGesture);

  delay(1000);
}

// Simulated function (replace with real AI result)
String getGesture() {
  int value = random(1, 4);

  if (value == 1) return "THUMBS UP";
  if (value == 2) return "FIST";
  if (value == 3) return "THUMBS DOWN";

  return "UNKNOWN";
}

Documentation

Physical_ai_bootcamp

Direction and all possible application to download

Physical_ai_bootcamp.pdf

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akouhono

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