• Aluminum alloy, stainless steel material, support rod, speed measurement, energy measurement, speed energy, scrolling records and viewing average values.
• This product is made by DIY, with the purpose of being simple, practical, accurate and durable.
• It is mainly used to learn and experience the ability of single-chip microcomputer to process data at a high speed, and can measure the flight speed of various projectiles. Such as: table tennis, badminton, bow and arrow, physical acceleration experiment, free fall experiment of projectile, nerf toy speed test, children's soft toy, etc.
• The core components adopt industrial-grade packaging, with stable performance and small errors.
• This product has accurate speed for projectiles with a speed of 0-3000 m/s.