1, the mechanical machine counting adopts the principle of gear rotation mechanical counting.
2. Skipping rope counter based on MCU control. Digital counting frequency meter can directly count the number of pulses of the measured signal in unit time, and then display the frequency value in digital form.
Firstly, the sensor collects the data of acceleration change during human jumping. The sensor is a three-axis acceleration sensor, but we only collect the data of Z axis. The data is input into the single chip microcomputer through P 1.0. Single-chip microcomputer processes the data transmitted by the sensor by downloading the control program compiled by P3.0 and P3. 1 port. Only when the data of the sensor meets the requirements, the single chip microcomputer will count and display it on the LCD.
Related information:
Jumping rope is a sports game in which one or more people do various jumping movements on a circular rope. This game was called "Head Rope" in Tang Dynasty, "Jumping Rope" in Song Dynasty, "Jumping Hundred Ropes", "Jumping White Rope" and "Jumping Horse Rope" in Ming Dynasty and "Jumping Rope" in Qing Dynasty. Skipping rope, as an ancient folk entertainment of Han nationality, has been used every festival since the Southern Song Dynasty, and every household has to compete.
Coordinating the skipping movements of limbs means that athletes do various jumping movements in the winding rope. Learning this jumping movement from an early age helps children to exercise the muscles of their limbs, train the coordination of their limbs, and correct some bad postures, such as hunchback and O-legs.
Slimming and fat-reducing skipping rope consumes about 400 calories every half hour. This is only for adults who need to lose fat safely. Sticking to skipping rope for a long time can keep a person's physical beauty and make the whole body's muscle lines more beautiful. For children, proper intake of calories can help prevent children from obesity, and children who are thin themselves can also choose to eat properly after exercise.
Jumping rope to enhance heart and lung function is a long-term exercise, which can effectively train individual's reaction and endurance, exercise vital capacity and enhance organ function of heart and lung system. Jumping rope can also keep people's heart rate at the same level as jogging, but it can avoid the pain of knees and ankles caused by running.