FC-28 Soil Moisture Module 3.3-5 V DC. An electronic module identified by its model and function.

• Working voltage 5V
• Output format: Digital switching output (0 and 1), and analog voltage output AO
• Potentiometer adjust the sensitivity
• Uses a wide voltage LM393 comparator
• Comparator output signal clean waveform is good, driving ability, over 15mA
• Anti-oxidation, anti-conductivity, with long use time
• With bolt holes for easy installation
• Small board PCB size: 3.2cm x 1.4cm