Home > DIY Parts & Components > DIY
DIY Soil Humidity Sensor Module + HL-01 Module + Dupont Cable - Deep Blue
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 - With fixing screw hole for installation - PCB size: 3.2 x 1.4cm - Wiring: VCC: connecting external 3.3~5V; GND: connecting external GND; DO: output port - Instruction: sensor is suitable for detecting humidity of soil; Blue potentiometer is for threshold adjusting of humidity; DO can connect w/ SCM directly