1. Schematic Symbols and Components

2. Schematic Symbols Objectives Recognize schematic symbols Be able to draw the schematic symbols Recognize the actual components Understand the basic function of each component

3. Resistors Resistor Potentiometer Photoresistor

4. Potentiometer uses Volume control Light Dimmer switch Joystick control Sensors (Throttle Position)

5. Photo-resistor uses Light sensitive alarms Light Poles Light Tables Light-following robots

6. Capacitors: Basic Function: Stores electrical charge, used to filter low frequencies Electrolytic Mylar (chicklet) Disc Variable capacitor – Used in tuning circuits (tuning knob on a radio).

7. Capacitor Uses Surge Protector Tuning Circuits (Radio, TV, etc.) Storing Electrical Charges Travelling thru time

8. Diodes (one-way check valve for electricity) Diode Light Emitting Diode Photo-Diode Zener Diode

9. Diode Uses Changing AC to DC Protecting Circuits TV Remote / Detection

10. Thyristors Silicon Controlled Rectifiers (Gated Diode) TRIAC (used to control AC circuits / like 2 SCR’s back to back)

11. Transistors: switch, oscillator, amplifier NPN Transistor PNP Transistor UJT Transistor Photo Transistor

12. Transistor Uses Amplifier Switching Oscillating

13. Switches Normally Open Normally Closed SPST (Single Pole, Single Throw) SPDT (Single Pole, Double Throw)

14. Lights Incandescent Neon Florescent

15. Electromagnetic Devices Coil Speaker Microphone

16. Electromagnetic Devices Relay (Electromagnetically controlled switch) Transformer Antenna Motor

17. General Fuse Wire Crossing not connected Wires Crossing & Connected Buzzer

18. General Connector Terminal Crystal Voltage Regulator Operational Amplifier

19. Voltage Sources Battery AC Voltage Source

20. Voltage Sources / Grounds Earth Ground Chassis Ground AC Plug AC Outlet

21. Digital Logic Gates AND NAND OR NOR XOR Inverter (NOT)

22. Meters Digital Multimeters Ohmmeters Ammeters Voltmeters

23. Sources for pictures Capacitor: http://images.google.com/imgres?imgurl=http://blogs.courant.com/colin_mcenroe_to_wit/capacitor.jpg&imgrefurl=http://blogs.courant.com/col in_mcenroe_to_wit/2009/02/ok-ok-tales-of-geets.html&usg=__2F74WQM_txJ3Ue6FuDfV- DoUO18=&h=564&w=1081&sz=147&hl=en&start=1&um=1&tbnid=yaoeg4Bbu7btxM:&tbnh=78&tbnw=150&prev=/images%3Fq%3Dcapacitor% 26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-US:official%26sa%3DG%26um%3D1 http://images.google.com/imgres?imgurl=http://blogs.courant.com/colin_mcenroe_to_wit/capacitor.jpg&imgrefurl=http://blogs.courant.com/col in_mcenroe_to_wit/2009/02/ok-ok-tales-of-geets.html&usg=__2F74WQM_txJ3Ue6FuDfV- DoUO18=&h=564&w=1081&sz=147&hl=en&start=1&um=1&tbnid=yaoeg4Bbu7btxM:&tbnh=78&tbnw=150&prev=/images%3Fq%3Dcapacitor% 26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-US:official%26sa%3DG%26um%3D1 NPN Transistor: http://images.google.com/imgres?imgurl=http://www.solarbotics.com/assets/images/tr2222/tr2222_pl.jpg&imgrefurl=http://www.solarbotics.co m/products/tr2222/&usg=__HCmGR5I7ru69QrUnQRgtwtjY-X4=&h=450&w=600&sz=23&hl=en&start=3&um=1&tbnid=8ho2yU- _u_gxlM:&tbnh=101&tbnw=135&prev=/images%3Fq%3Dnpn%2Btransistor%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en- US:official%26sa%3DG%26um%3D1 http://images.google.com/imgres?imgurl=http://www.solarbotics.com/assets/images/tr2222/tr2222_pl.jpg&imgrefurl=http://www.solarbotics.co m/products/tr2222/&usg=__HCmGR5I7ru69QrUnQRgtwtjY-X4=&h=450&w=600&sz=23&hl=en&start=3&um=1&tbnid=8ho2yU- _u_gxlM:&tbnh=101&tbnw=135&prev=/images%3Fq%3Dnpn%2Btransistor%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en- US:official%26sa%3DG%26um%3D1 NPN transistor schematic: http://images.google.com/imgres?imgurl=http://www.weidemyr.com/com/electro_transistorsymbol- f.png&imgrefurl=http://www.weidemyr.com/com/electro.shtml&usg=__21jIsCFUOo4sAvbx2PKE94QHJ9E=&h=500&w=468&sz=12&hl=en&sta rt=6&um=1&tbnid=VDfCRle8pJxkUM:&tbnh=130&tbnw=122&prev=/images%3Fq%3Dnpn%2Btransistor%26hl%3Den%26client%3Dfirefox- a%26rls%3Dorg.mozilla:en-US:official%26sa%3DG%26um%3D1 http://images.google.com/imgres?imgurl=http://www.weidemyr.com/com/electro_transistorsymbol- f.png&imgrefurl=http://www.weidemyr.com/com/electro.shtml&usg=__21jIsCFUOo4sAvbx2PKE94QHJ9E=&h=500&w=468&sz=12&hl=en&sta rt=6&um=1&tbnid=VDfCRle8pJxkUM:&tbnh=130&tbnw=122&prev=/images%3Fq%3Dnpn%2Btransistor%26hl%3Den%26client%3Dfirefox- a%26rls%3Dorg.mozilla:en-US:official%26sa%3DG%26um%3D1 Voltage regulator: http://images.google.com/imgres?imgurl=http://www.electronicrepairguide.com/7808%2520voltage%2520regulator.jpg&imgrefurl=http://www.electronicrepairguide.com/restore -crt.html&usg=__8bRR7QtFOPxrgwD- wZwcHu8wopA=&h=331&w=311&sz=17&hl=en&start=3&um=1&tbnid=EGC6FDfPgLccDM:&tbnh=119&tbnw=112&prev=/images%3Fq%3Dvoltage%2Bregulator%26hl%3Den% 26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-US:official%26sa%3DG%26um%3D1 http://images.google.com/imgres?imgurl=http://www.electronicrepairguide.com/7808%2520voltage%2520regulator.jpg&imgrefurl=http://www.electronicrepairguide.com/restore -crt.html&usg=__8bRR7QtFOPxrgwD- wZwcHu8wopA=&h=331&w=311&sz=17&hl=en&start=3&um=1&tbnid=EGC6FDfPgLccDM:&tbnh=119&tbnw=112&prev=/images%3Fq%3Dvoltage%2Bregulator%26hl%3Den% 26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-US:official%26sa%3DG%26um%3D1

24. Sources PNP transistor schematic (also has another, more detailed version of the NPN schematic: http://images.google.com/imgres?imgurl=http://www.abcofelectronics.com/p-n-p- symbol.gif&imgrefurl=http://www.abcofelectronics.com/integratedcircuits.htm&usg=__MdxQpmAWaItgW9JT6VMLNywhP0A=&h=289&w=405&sz=8&hl=en&start=6&um=1&tbnid=C0ohQY_zsjgWwM:&tbnh=88&tbnw=124&prev=/images%3Fq%3DPNP%2Btransistor%26hl%3Den%26client%3Dfirefox- a%26rls%3Dorg.mozilla:en-US:official%26sa%3DG%26um%3D1 http://images.google.com/imgres?imgurl=http://www.abcofelectronics.com/p-n-p- symbol.gif&imgrefurl=http://www.abcofelectronics.com/integratedcircuits.htm&usg=__MdxQpmAWaItgW9JT6VMLNywhP0A=&h=289&w=405&sz=8&hl=en&start=6&um=1&tbnid=C0ohQY_zsjgWwM:&tbnh=88&tbnw=124&prev=/images%3Fq%3DPNP%2Btransistor%26hl%3Den%26client%3Dfirefox- a%26rls%3Dorg.mozilla:en-US:official%26sa%3DG%26um%3D1 PNP transistor: http://images.google.com/imgres?imgurl=http://www.c-stamp.com/images/CS560000.jpg&imgrefurl=http://www.c- stamp.com/components.htm&usg=__Hq_yfnl6KIOcvDi2drVGKwbWbB0=&h=169&w=256&sz=6&hl=en&start=21&um=1&tbnid=LBO_DsAspRH3IM:&tbnh=73&tbnw=111&prev=/images%3Fq%3DPNP%2Btransistor%2Bpicture%26ndsp%3D18%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en- US:official%26sa%3DN%26start%3D18%26um%3D1 http://images.google.com/imgres?imgurl=http://www.c-stamp.com/images/CS560000.jpg&imgrefurl=http://www.c- stamp.com/components.htm&usg=__Hq_yfnl6KIOcvDi2drVGKwbWbB0=&h=169&w=256&sz=6&hl=en&start=21&um=1&tbnid=LBO_DsAspRH3IM:&tbnh=73&tbnw=111&prev=/images%3Fq%3DPNP%2Btransistor%2Bpicture%26ndsp%3D18%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en- US:official%26sa%3DN%26start%3D18%26um%3D1 PNP transistor 2: http://images.google.com/imgres?imgurl=http://www.pagermotors.com/index_files/Products/Electronic_Components/3906_Transistor/3906_Transistor_(L).gif&imgrefurl=http://www.pagermotors.com/index_files/Products/Electronic_Components/3906_Transistor/3906_Transistor.htm&usg=__L1sTWwBMlojaDxeD10 ArgSHfBmc=&h=377&w=395&sz=28&hl=en&start=26&um=1&tbnid=XjMupWmI5vj-5M:&tbnh=118&tbnw=124&prev=/images%3Fq%3DPNP%2Btransistor%2Bpicture%26ndsp%3D18%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-US:official%26sa%3DN%26start%3D18%26um%3D1 http://images.google.com/imgres?imgurl=http://www.pagermotors.com/index_files/Products/Electronic_Components/3906_Transistor/3906_Transistor_(L).gif&imgrefurl=http://www.pagermotors.com/index_files/Products/Electronic_Components/3906_Transistor/3906_Transistor.htm&usg=__L1sTWwBMlojaDxeD10 ArgSHfBmc=&h=377&w=395&sz=28&hl=en&start=26&um=1&tbnid=XjMupWmI5vj-5M:&tbnh=118&tbnw=124&prev=/images%3Fq%3DPNP%2Btransistor%2Bpicture%26ndsp%3D18%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-US:official%26sa%3DN%26start%3D18%26um%3D1 UJT Transistor: http://www.globalspec.com/FeaturedProducts/Detail/Unijunction_Transistors_UJTs_from_AMS/93313/0?deframe=1 Photo Transistor: http://rocky.digikey.com/weblib/Optek/Web%20photos/OP505x,%20506x.jpg Diode: http://images.google.com/imgres?imgurl=http://mustangsva.co.uk/wp-content/uploads/2009/04/diode.gif&imgrefurl=http://mustangsva.co.uk/2009/04/02/back-emf-protection- diodes/&usg=__aLQfjZ6rhkadtrrtGyiJ7S3fK2o=&h=296&w=300&sz=9&hl=en&start=7&um=1&tbnid=x_PEPyVPTY1qDM:&tbnh=114&tbnw=116&prev=/images%3Fq%3Ddiode%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-US:official%26hs%3DwkF%26sa%3DG%26um%3D1 http://images.google.com/imgres?imgurl=http://mustangsva.co.uk/wp-content/uploads/2009/04/diode.gif&imgrefurl=http://mustangsva.co.uk/2009/04/02/back-emf-protection- diodes/&usg=__aLQfjZ6rhkadtrrtGyiJ7S3fK2o=&h=296&w=300&sz=9&hl=en&start=7&um=1&tbnid=x_PEPyVPTY1qDM:&tbnh=114&tbnw=116&prev=/images%3Fq%3Ddiode%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-US:official%26hs%3DwkF%26sa%3DG%26um%3D1 Zener Diode: http://images.google.com/imgres?imgurl=http://shop.4atraders.com/shop/images/Zener%2520Diode.jpg&imgrefurl=http://shop.4atraders.com/shop/products_new.php&usg=__4r- VfGLq6GKSEiPQKJZ141BOfd4=&h=360&w=360&sz=52&hl=en&start=1&um=1&tbnid=JPMG9fZjVWyACM:&tbnh=121&tbnw=121&prev=/images%3Fq%3Dzener%2Bdiode%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-US:official%26hs%3D86u%26sa%3DG%26um%3D1 http://images.google.com/imgres?imgurl=http://shop.4atraders.com/shop/images/Zener%2520Diode.jpg&imgrefurl=http://shop.4atraders.com/shop/products_new.php&usg=__4r- VfGLq6GKSEiPQKJZ141BOfd4=&h=360&w=360&sz=52&hl=en&start=1&um=1&tbnid=JPMG9fZjVWyACM:&tbnh=121&tbnw=121&prev=/images%3Fq%3Dzener%2Bdiode%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-US:official%26hs%3D86u%26sa%3DG%26um%3D1 Photo Diode: http://www.mi-lasers.com/stock/ToshibaTOLD9231_300.jpg Photo Diode 2: http://rocky.digikey.com/weblib/Panasonic/Web%20Photos/New%20Photos/PNZ300F.jpg

25. Sources LED: http://images.google.com/imgres?imgurl=http://technabob.com/blog/wp-content/uploads/2007/10/led_of_led_1.jpg&imgrefurl=http://technabob.com/blog/2007/10/07/giant-led-lamps-made-from- leds/&usg=__Q__BApCDgeOisXs7Ocmx4xNRp4A=&h=382&w=520&sz=25&hl=en&start=2&um=1&tbnid=6QsDcrRDWc4G9M:&tbnh=96&tbnw=131&prev=/images%3Fq%3Dlight%2Bemitting%2Bdiode%26hl%3D en%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-US:official%26hs%3DWUa%26sa%3DG%26um%3D1 http://images.google.com/imgres?imgurl=http://technabob.com/blog/wp-content/uploads/2007/10/led_of_led_1.jpg&imgrefurl=http://technabob.com/blog/2007/10/07/giant-led-lamps-made-from- leds/&usg=__Q__BApCDgeOisXs7Ocmx4xNRp4A=&h=382&w=520&sz=25&hl=en&start=2&um=1&tbnid=6QsDcrRDWc4G9M:&tbnh=96&tbnw=131&prev=/images%3Fq%3Dlight%2Bemitting%2Bdiode%26hl%3D en%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-US:official%26hs%3DWUa%26sa%3DG%26um%3D1 LED Schematic: http://images.google.com/imgres?imgurl=http://www.aprosystems.com/image/led_e.gif&imgrefurl=http://www.aprosystems.com/about_led_e.htm&usg=__Mj1ou4ZgzgFoEoza4SSy557R4Sw=&h=444&w=353&sz=3 2&hl=en&start=23&um=1&tbnid=_HBSss17tBjWoM:&tbnh=127&tbnw=101&prev=/images%3Fq%3Dlight%2Bemitting%2Bdiode%26ndsp%3D18%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en- US:official%26hs%3D5Va%26sa%3DN%26start%3D18%26um%3D1 http://images.google.com/imgres?imgurl=http://www.aprosystems.com/image/led_e.gif&imgrefurl=http://www.aprosystems.com/about_led_e.htm&usg=__Mj1ou4ZgzgFoEoza4SSy557R4Sw=&h=444&w=353&sz=3 2&hl=en&start=23&um=1&tbnid=_HBSss17tBjWoM:&tbnh=127&tbnw=101&prev=/images%3Fq%3Dlight%2Bemitting%2Bdiode%26ndsp%3D18%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en- US:official%26hs%3D5Va%26sa%3DN%26start%3D18%26um%3D1 Switches schematic: http://images.google.com/imgres?imgurl=http://www.xmission.com/~daina/images/switches.gif&imgrefurl=http://www.xmission.com/~daina/tips/pub/tip0222.html&usg=__-AE- 7XrhE0uieksNNZlPBbp_D2Y=&h=171&w=444&sz=2&hl=en&start=3&um=1&tbnid=ad9PMviOUwCMYM:&tbnh=49&tbnw=127&prev=/images%3Fq%3Dnormally%2Bopen%2Bswitch%26ndsp%3D18%26hl%3Den% 26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-US:official%26hs%3D2Wa%26sa%3DG%26um%3D1 http://images.google.com/imgres?imgurl=http://www.xmission.com/~daina/images/switches.gif&imgrefurl=http://www.xmission.com/~daina/tips/pub/tip0222.html&usg=__-AE- 7XrhE0uieksNNZlPBbp_D2Y=&h=171&w=444&sz=2&hl=en&start=3&um=1&tbnid=ad9PMviOUwCMYM:&tbnh=49&tbnw=127&prev=/images%3Fq%3Dnormally%2Bopen%2Bswitch%26ndsp%3D18%26hl%3Den% 26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-US:official%26hs%3D2Wa%26sa%3DG%26um%3D1 Normally open switch: http://images.google.com/imgres?imgurl=http://www.bcae1.com/images/gifs/switpush.gif&imgrefurl=http://www.bcae1.com/switches.htm&usg=__SKDS4Lq_a7SpvbKyLEpBjNHTh30=&h=308&w=347&sz=4&hl=e n&start=5&um=1&tbnid=YdtkOXT2IX1RaM:&tbnh=107&tbnw=120&prev=/images%3Fq%3Dnormally%2Bopen%2Bswitch%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en- US:official%26sa%3DG%26um%3D1 http://images.google.com/imgres?imgurl=http://www.bcae1.com/images/gifs/switpush.gif&imgrefurl=http://www.bcae1.com/switches.htm&usg=__SKDS4Lq_a7SpvbKyLEpBjNHTh30=&h=308&w=347&sz=4&hl=e n&start=5&um=1&tbnid=YdtkOXT2IX1RaM:&tbnh=107&tbnw=120&prev=/images%3Fq%3Dnormally%2Bopen%2Bswitch%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en- US:official%26sa%3DG%26um%3D1 Normally closed switch: http://images.google.com/imgres?imgurl=https://www.dsuban.com/secure/images/products/2752.bmp&imgrefurl=http://www.dsuban.com/Kit-Masters--Fan-Clutch-Experts- v18/&usg=__B_jnzfd7KUYnPFjD0pqRKrOO- xU=&h=445&w=427&sz=559&hl=en&start=3&um=1&tbnid=MjW6N9j6dAol8M:&tbnh=127&tbnw=122&prev=/images%3Fq%3Dnormally%2Bclosed%2Bswitch%2Bexample%26hl%3Den%26client%3Dfirefox- a%26rls%3Dorg.mozilla:en-US:official%26sa%3DG%26um%3D1 http://images.google.com/imgres?imgurl=https://www.dsuban.com/secure/images/products/2752.bmp&imgrefurl=http://www.dsuban.com/Kit-Masters--Fan-Clutch-Experts- v18/&usg=__B_jnzfd7KUYnPFjD0pqRKrOO- xU=&h=445&w=427&sz=559&hl=en&start=3&um=1&tbnid=MjW6N9j6dAol8M:&tbnh=127&tbnw=122&prev=/images%3Fq%3Dnormally%2Bclosed%2Bswitch%2Bexample%26hl%3Den%26client%3Dfirefox- a%26rls%3Dorg.mozilla:en-US:official%26sa%3DG%26um%3D1 SPST schematic: http://images.google.com/imgres?imgurl=http://www.colehersee.com/images/resource/SPST.GIF&imgrefurl=http://www.colehersee.com/04resource/dict_s.htm&usg=__dFHwTuWreldqW91WdO2aW_3jQc4=&h= 495&w=657&sz=18&hl=en&start=1&um=1&tbnid=zJlagNTbsv3xPM:&tbnh=104&tbnw=138&prev=/images%3Fq%3DSPST%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en- US:official%26sa%3DG%26um%3D1 http://images.google.com/imgres?imgurl=http://www.colehersee.com/images/resource/SPST.GIF&imgrefurl=http://www.colehersee.com/04resource/dict_s.htm&usg=__dFHwTuWreldqW91WdO2aW_3jQc4=&h= 495&w=657&sz=18&hl=en&start=1&um=1&tbnid=zJlagNTbsv3xPM:&tbnh=104&tbnw=138&prev=/images%3Fq%3DSPST%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en- US:official%26sa%3DG%26um%3D1