- Can adjust soil humidity via potentiometer、 if humidity low set value、 DO output high level、 or DO output low level; Can auto water garden and flowerpot; Suitable for various electronic games and design
- Surface is treated w/ nickel、 with widen sensing area、 can increase electrical conductivity and extend lifetime
- Adopts LM393 chip、 stable working performance
- Working voltage: 3.3~5V
- Wiring: VCC: connecting external 3.3~5V; GND: connecting external GND; DO (0 and 1): output port
- Instruction: sensor is suitable for detecting humidity of soil; Blue potentiometer is for threshold adjusting of humidity; DO can connect w/ MCU directly to check high / low level; Small board analog output AO can connect w/ AD module to get accurate value
Dimensions: 2.52 in x 0.79 in x 0.28 in (6.4 cm x 2.0 cm x 0.7 cm) Weight: 0.60 oz (17 g)