Cylewet 2Pcs Soil Moisture Sensor Soil Humidity Detection Module for Arduino 0.79× 2.36inches (Pack of 2) CYT1033

DFROBOT Gravity: Analog Capacitive Soil Moisture Sensor- Corrosion Resistant

HiLetgo 2pcs ESP8266 NodeMCU LUA CP2102 ESP-12E Internet WiFi Development Board Open Source Serial Wireless Module Works Great with Arduino IDE/Micropython (Pack of 2PCS)

XCSOURCE 5pcs Soil Moisture Sensor and Automatic Watering System for Arduino TE215

Gikfun Soil Moisture Sensor Kit Automatic Watering System Manager with Mini Water Pump for Arduino DIY Kit EK1915

HiLetgo 5pcs DHT11 Temperature and Humidity Sensor Module for Arduino Raspberry Pi 2 3

Elegoo EL-CB-001 UNO R3 Board ATmega328P ATMEGA16U2 with USB Cable for Arduino

12V Plastic Water Solenoid Valve

ELEGOO for Arduino Nano V3.0, Nano Board CH340/ATmega328P Without USB Cable, Compatible with Arduino Nano V3.0 (Nano x 3 Without Cable)

Gowoops 2 PCS DHT22 Temperature Humidity Sensor Module Digital Measurement for Arduino Raspberry Pi 2 3

Microchip MCP3008-I/P 10-Bit ADC with SPI (Pack of 4)