Two of the input value of potentiometer are respectively to show the user offset in the X and Y axis, and the type of offset is analog?the button is used to show whether the user push down button in the Z axis, its type is the digital quantity. Therefore the control rod contain a total of three input interface which are used to connect X, Y, and Z.
LDRs or Light Dependent Resistors are very useful especially in light/dark sensor circuits. Normally the resistance of an LDR is very high, sometimes as high as 1000 000 ohms, but when they are illuminated with light resistance drops dramatically.
The stunning new Raspberry Pi 3 Model B has landed at ModMyPi! This third generation model maintains the same popular board format as the Raspberry Pi 2 and Raspberry Pi B+, but boasts a faster 1.2GHz 64Bit SoC, and on board WiFi and Bluetooth!
A soil moisture sensor, also called a hygrometer, measures the amount of moisture, or water, in the soil. Therefore, we can tell whether the soil has enough moisture or not. So it is a good diagnostic tool for caring for plants of all types.