HC-SR04 Distance Sensor
The HCSR-04 is a widely used and correspondingly inexpensive distance sensor. It determines distance using ultrasound and is easy to operate with common 5V microcontrollers. The datasheets contradict each other regarding the maximum distance specification, fluctuating between 3 and 4 metres. I haven't yet had a module in my hand that reached 4m. With …
Continue reading "HC-SR04 Entfernungsmesser"