Windmills and fans, installation and formation.
A small fan 5 in the case of the Raspberry Pi. Was equipped with a two-pin connector to connect to the GPIO of the Raspberry Pi. Characterized by low noise level. The kit includes the necessary installation screws and nuts.
White standing fan with a power of 50 watts , it provides coolness on hot days. Has a blade diameter of 40 cm. Total fan height is 130 cm. The fan has three speed settings and auto rotate horizontally at a 90° angle with the possibility of disconnection. Due to the stand with non-slip feet stands steadily on the surface.
Fan made of plastic with a DC motor and the control unit of the direction of rotation based on the system L9110 with digital outputs. It has the ability to blow out the flame of a candle from the distance of approximately 20 cm. it is used in the robo-firefighters.