1. Light Emitting Diode: LED
Skills Building Class
Wednesday December 7, 2016

2. What is an LED? Light-emitting diode Semiconductor Has polarity
Low power
Long life

3. Inside a Light Emitting Diode
                                                                                                                                                                                                                                       
Transparent Plastic Case
Terminal Pins
Diode

4. Kinds of LEDs

5. Christmas Tree Project

6. Parts List Base (White) Tree String of 10 LED lights with battery pack
Toggle switch and wood holder
Single green LED

7. Assembly: Glue tree to base. Attach lights and install batteries.
Glue switch to wood holder and glue holder to base.
Cut one wire and connect ends to switch.
Cut other wire, connect to green LED using red connector
Attach green LED other end of switch
Test polarity
Solder switch connections
Glue battery pack to base.