๐ ๏ธ MAKER GUIDEApr 26, 2026โขโฑ๏ธ 1 min readโข๐ณ๐ต Tested in Nepal
Touchless Hand Gesture-Controlled Light Switch with APDS-9960
Wave your hand Left, Right, Up, or Down to toggle lights, adjust dimming levels, and control household appliances without touching any switch.
๐ ๏ธ BILL OF MATERIALS (BOM)
Required Hardware & Component Checklist
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Estimated Total (4/4 items):
NPRย 2,500
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NPRย 650
NPRย 750
NPRย 500
NPRย 600
Touchless Hand Gesture-Controlled Light Switch with APDS-9960
Control lights hygienically using the APDS-9960 RGB Gesture & Proximity Sensor Module and Arduino Nano to trigger 4-channel relay modules upon hand swipes.
Hardware Bill of Materials:
- Gesture Sensor: APDS-9960 Digital RGB Gesture & Proximity Ambient Light Sensor Module
- Microcontroller: Arduino Nano V3.0 Solderless
- Relay Board: 4 channel 5V relay module low trigger with optocoupler
- Power Module: HLK-PM01 AC-DC 220V to 5V mini power supply module
Circuit Pinout & Wiring Connections:
| APDS-9960 Pin | Arduino Nano Pin | Function / Description |
|---|---|---|
| APDS-9960 VCC / GND | 3.3V / GND | Gesture Sensor Power (3.3V Only!) |
| APDS-9960 SDA | Pin A4 | I2C Gesture Data |
| APDS-9960 SCL | Pin A5 | I2C Clock Line |
| APDS-9960 INT | Pin D2 (INT0) | Active Low Gesture Recognized Interrupt |
| 4-Ch Relay IN1 - IN4 | Pin D7, D8, D9, D10 | Up/Down/Left/Right Appliance Toggles |
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