P16

VCNL4040 proximity

Abstract: Proximity sensor with LEDs.

Specs

Passive (no CPU) I2C module with embedded proximity sensor and control LEDs (red, green, white). This PCB connects to C14 or C33 modules.

Features,

  • I2C bus
  • 3.3V only
  • VCNL4040 proximity sensor
    • sensitivity is adjustable (default: ~2cm)
  • PCA9570 I/O extender driving three LEDs
    • red/green: object detected (yes/no)
    • white: activated by user to illuminate track area

YouTube

GitHub