Тест влажности сенсор модуль обнаружения аксессуары зонд Замена проводов коррозионная стойкость умная электроника для Arduino

Description

1. This is a simple water sensor can be used to detect soil moisture when the soil moisture deficit module outputs a high level, and vice versa output low. Use this sensor produced an automatic plant waterer device, so that the plants in your garden do not need people to manage.

2. Adjustable sensitivity.

3. Module dual output mode, digital output, analog output more accurate.

4. With fixed bolt hole for easy installation.

5. Stable comparator chip.

Specification

Item type: Hygrometer detection module

Operating voltage: 3.3V-5V

PCB size: 3*1.6cm/1.18*0.63inch

Comparator chip: LM393 chip

Interface:

1. VCC: 3.3 V-5V

2. GND: GND

3. DO: digital output interface (0 and 1)

4. AO: Analog Output Interface

Package includes:

1 * Soil moisture detection module finished board set (including the detection board and soil moisture probe)

5 * 20cm lines