Electrical connection The library is using the standard SPI library, the sensor MOSI, MISO and SCK should be connected to the arduino according to the SPI library documentation. The CS (chip select) ...

Arduino driver for the PAA5100JE and Pixart PMW3901 (not tested atm) optical flow sensors. The driver was originally developed to support the Bitcraze Flow Breakout board. It communicates with the ...

Here is a tested Arduino project that uses 3 sensor probes as water level indicator with 3 leds and one LCD display + a simple controller that turns on a motor when the water has reached the desired ...

If you're looking for ways to use less water, Instructables user tamberg developed a DIY water faucet sensor that shows you when you've used up a liter. Using an Arduino, flow sensor, and colored ...

When the sensor detects that the moisture content is already below 30%, it sends a signal to the Arduino, which, in turn, activates a water pump to provide hydration to the plant.