HC-SR04 ultrasonic sensor fixing bracket (without ultrasound, bracket only) 2pcs per Carton
Shipping via post is included, 39 to 60 days. Shipping via ePacket, $2.40USD, is recommended: 16 to 26 days. Order multiple units to make shipping cost worthwhile.
Ultrasound sensor for distance measuring and collision avoidance.
Cartoon style -- you could mount a speaker for the mouth and microphones for the ears.
Type: Open source hardware
Application: Ultrasonic support