The Soil Moisture/Hygrometer/Humidity Sensor module is used to measure the soil moisture content. Its optional digital/analog outputs allow for a variety of use, with or without a microcontroller.
TTP223 Capacitive Touch Button/key/Switch with self-locking or no locking/latching manual override.
Dual Axis XY 10K resistors Joystick Controller lever module with a digital output button
The HC-SR04/HCSR04 Ultrasonic Distance/Proximity Measuring/Sensor Module works like the bat - Sending an ultrasonic signal and listening back for time for an echo. This time is then used to calculate for distance.