Pegelstand
Pegelstand is a pcb connecting ultrasonic, a timer (TTPL5110) and power supply on an arduino shield.
For details see hackster.io:
https://www.hackster.io/niesse/water-level-ultrasonic-sensor-with-lorawan-c2cf55
Pegelstand is a pcb connecting ultrasonic, a timer (TTPL5110) and power supply on an arduino shield.
For details see hackster.io:
https://www.hackster.io/niesse/water-level-ultrasonic-sensor-with-lorawan-c2cf55