Sensors
Ultrasonic Distance Sensor — HC-SR04
$6.00
The classic 2–400 cm ultrasonic rangefinder — obstacle avoidance on a budget.
Ships in ~14–21 days
Add to a build
Specs
| Sensor | HC-SR04 |
| Range | 2–400 cm |
| Interface | trigger/echo (5 V) |
| Use | obstacle avoidance |
Goes well with
