Keywords you may need:

Sensors
Modules
      Esp8266
Board
      R3&ATMEGA2560
      NodeMCU
Sheild
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Relay
Temperature Controller
Displays
      OLED LED&RGB
      LCR
Amplifier
Power supply
     Step Up
     Step down
     Converter
     Switch
GPS
Light
Wireless/Wifi

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Automatic Water Level Controller Liquid Sensor Switch Relay Board DC 5V 12V

1: Wide range of applications
2: Easy to operate
3: Small size
4: stable performance
5: Voltage specification optional 5V/12V
Product name: Automatic water level controller
Specifications: 5V/12V
Module size: 5*4.4*1.8cm (manual measurement)
Net weight: 24g
 
 
Module function: When the water level is lower than the B probe, the water is automatically pumped.
Stop pumping when the water level reaches the C probe.
 
The A/B/C water level sensing line can be used with ordinary wires, and the wire ends are exposed to 5CM. Automatically pump water when the water level is below point B
Stop pumping when the water level is above point C
 
https://pg-cdn-a2.datacaciques.com/00/NDAy/22/06/09/me18q5zo4f8ih831/90b6a2e30d1a1929.jpg


Am 09.06.2022 hat der Verkäufer die folgenden Angaben hinzugefügt:

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