Projects Kit High Conversion Efficiency Complete 4X4 Development Board with Membrane Key Kit for R3

Feature 1COMPLETE KIT: This is the most complete kit for beginners, which is very interesting and easy to use. 2FULLY COMPATIBLE: The kit is fully compatible with all open source electronic prototype platform modules. 3EASY WIRING: An embedded extension version can be applied to most modules in the kit, which can simplify wiring and avoid errors. 4HIGH EFFICIENCY: The development board kit has high conversion efficiency and simple adjustment operation. 5RELIABLE MATERIALS: The projects kit is made from excellent materials and components, with stable performance.SpecificationItem Type: Projects KitMaterial: PCBBattery: AA battery x 6 (shipped without battery)Use: Applicable for R3 kit Package List1 x 5V Stepping Motor1 x 5V Stepping Motor Drive Board1 x 1602 LCD Screen1 x 3 Color Patch10 x Large Key1 x Plug In Components (Green Bread Board)1 x Water Level65 x Bread Line5 x Small Key1 x Infrared Receiver Element1 x LM35 Element1 x Flame Element1 x HydrargyrumElement1 x Photosensitive Element1 x Red Board1 x Key Chain1 x Row Pin1 x 5K Adjustable Potentiometer1 x HHC Small Motor1 x SR04 Ultrasonic1 x Four Digit Nixie Tube2 x One Digit Nixie Tube1 x 8x8 Dot Matrix6 x F5 LED White10 x F5 LED Yellow10 x F5 LED Green10 x F5 LED Red1 x Black Rocker1 x F R31 x White Card1 x USB Cable1 x Active Buzzer Element1 x Passive Buzzer Element1 x 10K Adjustable Potentiometer1 x IC1 x 9g Steering Gear1 x Single Circuit 5V Relay1 x 1x40 Straight Needle1 x 1x40 Curved Needle1 x Female to Female Cable1 x 830 Hole Bread Board1 x 6 Pcs AA Battery Box1 x 595IC1 x 4x4 Membrane Key5 x 1K5 x 10K8 x 220R1 x Storage Box