RexQualis Super Starter Kit provides an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software.<br><br>The most essential parts in this kit are R3 controller board and expansion board, which is a perfect Arduino clone with excellent product finish. Besides,we offer over 30 kinds of components and sensors, like LCD1602, Membrane Switch, Breadboard.<br><br>For advanced users like lab engineers, electronic major students and Arduino hobbyists, they can do various kinds of tests and experiments with so many sensors.<br><br>It’s also a good choice and perfect gift for your family or kids who are obsessed with electronics, programming or robotics!<br><br>Component listing: <br> 1pcs R3 Controller Board<br> 1pcs Breadboard Expansion Board<br> 1pcs Power Supply Module <b>WARNING: Pls. do not use the voltage higher than 9V</b><br> 1pcs LCD1602 Module (with pin header) <br> 1pcs Membrane Switch Module<br> 1pcs 9V 1A Adapter<br> 1pcs Joystick Module<br> 1pcs Servo Motor (SG90)<br> 1pcs Stepper Motor<br> 1pcs 3-6V Motor<br> 1pcs Fan Blade<br> 1pcs ULN2003 Stepper Motor Driver Board <br> 1pcs Ultrasonic Sensor<br> 1pcs DHT11 Temperature and Humidity Module<br> 1pcs IR Receiver<br> 1pcs Battery Clip with Male DC<br> 1pcs 65 Jumper Wire<br> 20pcs F/M Dupont Wire<br> 1pcs USB Cable<br> 1pcs Breadboard <br> 1pcs Active Buzzer<br> 1pcs Passive Buzzer<br> 2pcs Potentiometer<br> 1pcs 5V Relay<br> 1pcs Remote<br> 1pcs Tilt Switch<br> 1pcs 1 digit 7-segment Display<br> 1pcs 4 digit 7-segment Display<br> 2pcs Photoresistor<br> 2pcs Thermistor<br> 2pcs Diode Rectifier (1N4007)<br> 2pcs NPN Transistor (PN2222)<br> 1pcs IC 74HC595<br> 1pcs IC L293D<br> 1pcs CD with Tuborial<br> 5pcs Button (small)<br> 1pcs RGB LED<br> 5pcs Yellow LED<br> 5pcs Blue LED<br> 5pcs Green LED<br> 5pcs Red LED<br> 5pcs White LED<br>120pcs Resistor<br><b>WARNING: </b><br> <b>CHOKING HAZARD</b>-- Small parts. Not for children under 3 yrs.