Feature:  This is an R3 HC-SR04 Development Board starter kit, adds more components to achieve more features and experiments.  You'll learn and build a lot of creative projects with this kit.  Start with the basics of electronics, to do more complex projects.    Package included:  1 x Kleine passieve buzzer module KY-006;  1 x 2-color LED module KY-011;  1 x Hit sensor module KY-031;  1 x Trillingen schakelaar module KY-002;  1 x Foto weerstand module KY-018;  1 x Key switch module KY-004;  1 x Tilt switch module KY-020;  1 x 3-color full-kleur LED SMD modules KY-009;  1 x Infrarood emissie sensormodule KY-005;  1 x 3-color LED module KY-016;  1 x Mercury open optische module KY-017;  1 x Yin Yi 2-color LED module 3 MM KY-029;  1 x Actieve zoemer module KY-012;  1 x temperatuursensor module KY-013;  1 x Automatische knipperende kleurrijke LED module KY-034;  1 x Mini magnetische reed modules KY-021;  1 x Hall magnetische sensor module KY-003;  1 x Infrarood sensor ontvanger module KY-022;  1 x Klasse Bihor magnetische sensor KY-035;  1 x Magic light cup module KY-027;  1 x encoder module KY-040;  1 x Optische gebroken module KY-010;  1 x Detecteren de hartslag module KY-039;  1 x Reed module KY-025;  1 x obstakel vermijden sensor module KY-032;  1 x Jacht sensor module KY-033;  1 x Microfoon geluid sensormodule KY-038;  1 x Laser sensor module KY-008;  1 x 5 V relaismodule KY-019;  1 x temperatuursensor module KY-001;  1 x temperatuursensor module KY-028;  1 x Lineaire magnetische Hall sensoren KY-024;  1 x Flame sensor module KY-026;  1 x Gevoelige microfoon sensormodule KY-037;  1 x Temperatuur en vochtigheid sensor module KY-015;  1 x XY-as joystick module KY-023;  1 x KY-036 Metal touch sensor module;  1 x 2560 R3;  1 x SR04;  1 x MB-102;  1 x 9 v batterij gesp;  1 x Brood plaat elektrische bron;  6 x 1 K;  6 x 10 K;  6 x 100 K;  6 x 220R;  5 x keys;  4 x LED geel 5mm;  4 x LED Rood 5mm;  4 x LED Groen 5mm;  1 x Box