Air flow control device, comprising: - a hermetic air chamber connectable to an air pump ; - a printed circuit board connectable to a power source, - at least one solenoid valve connected on the printed circuit board , wherein each solenoid valve comprises: - a casing ; - an outer coil ; - a fixed inner metal cylinder ; - a nozzle for connecting the inside of the solenoid valve with an inflatable object ; and - a rod being able to move inside the inner metal cylinder between an extended position and a contracted position in which communication between the inside of the solenoid valve and the air chamber is allowed; such that the rod is moved between the extended and contracted positions by means of the application of a differential voltage on the coil through the printed circuit board , thereby controlling the air flow; - a pressure sensor connected on the printed circuit board for measuring the pressure in the inflatable object connected thereto; characterized in that : - the printed circuit board forms a surface limiting a face of the hermetic air chamber and has at least one hole ; - each of the at least one hole is covered by one of the at least one solenoid valve respectively; - the rod of the at least one solenoid valve blocks the respective hole in the extended position and allows communication between the inside of the solenoid valve and the air chamber through the respective hole in the contracted position; - the pressure sensor is located inside the solenoid valve . - a hermetic air chamber connectable to an air pump ; - a printed circuit board connectable to a power source, - at least one solenoid valve connected on the printed circuit board , wherein each solenoid valve comprises: - a casing ; - an outer coil ; - a fixed inner metal cylinder ; - a nozzle for connecting the inside of the solenoid valve with an inflatable object ; and - a rod being able to move inside the inner metal cylinder between an extended position and a contracted position in which communication between the inside of the solenoid valve and the air chamber is allowed; such that the rod is moved between the extended and contracted positions by means of the application of a differential voltage on the coil through the printed circuit board , thereby controlling the air flow; - a casing ; - an outer coil ; - a fixed inner metal cylinder ; - a nozzle for connecting the inside of the solenoid valve with an inflatable object ; and - a rod being able to move inside the inner metal cylinder between an extended position and a contracted position in which communication between the inside of the solenoid valve and the air chamber is allowed; such that the rod is moved between the extended and contracted positions by means of the application of a differential voltage on the coil through the printed circuit board , thereby controlling the air flow; - a pressure sensor connected on the printed circuit board for measuring the pressure in the inflatable object connected thereto; - the printed circuit board forms a surface limiting a face of the hermetic air chamber and has at least one hole ; - each of the at least one hole is covered by one of the at least one solenoid valve respectively; - the rod of the at least one solenoid valve blocks the respective hole in the extended position and allows communication between the inside of the solenoid valve and the air chamber through the respective hole in the contracted position; - the pressure sensor is located inside the solenoid valve . <EOS>