DIY Contactless Sanitizer Dispenser
A lockdown build: reusing an old RO water cabinet and its solenoid valve, an Arduino Nano, and an ultrasonic sensor to dispense sanitizer touch-free without false triggers.
All tags / Ultrasonic
A lockdown build: reusing an old RO water cabinet and its solenoid valve, an Arduino Nano, and an ultrasonic sensor to dispense sanitizer touch-free without false triggers.