OLatus Arduino Uno R3 Kit with 4X4 Matrix Keypad and SG90 9g Mini Servo Motor Educational Electronic Hobby Kit

The SG90 mini servo: is lightweight, It is standard Quality and lightning-fast servo, designed to work with almost all the radio control systems. It is with excellent performance and high torque of 1.5kg cm gives you the freedom to use it for a variety of projects. The SG90 mini servo with accessories is perfect for R/C helicopter, plane, car, boat and truck use. 8 pins 2.54mm pitch connector, 4x4 type 16 keys. White sticker can peel off for adhesive mounting.Used widely in industrial and home electronic equipments, instrument, etc.Contact resistance of 500. Insulation resistance 100M. Key Operating Force 150-200N Rebound time 1 (ms) Life of 100 million (times). Arduino UNO R3 The classic version: Arduino/Genuino Uno is a microcontroller board based on the ATmega328P. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz quartz crystal, a USB connection, a power jack, an ICSP header and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.. You can tinker with your UNO without worring too much about doing something wrong, worst case scenario you can replace the chip for a few dollars and start over again.