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Touch / Clap Lamp

Touch / Clap Lamp. By Jhoana Abude, Nicolo Africa, Maria Gerardina Bulanon, Carlos Pineda, Timothy See, Jessica Sugay. Overview. Lamp is activated either by touch or sound. 1 M. +12. +12. 1 V. 50 K. .1  F. 10 K. 2. 10 K. 10 K. - +. 7. 3. -12. 6. + -. 220 K. 3. 6. 2.

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Touch / Clap Lamp

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  1. Touch / Clap Lamp By Jhoana Abude, Nicolo Africa, Maria Gerardina Bulanon, Carlos Pineda, Timothy See, Jessica Sugay.

  2. Overview Lamp is activated either by touch or sound

  3. 1 M +12 +12 1 V 50 K • .1 F 10 K 2 10 K 10 K - + 7 3 -12 6 + - 220 K 3 6 2 10 K 4 10 K 1 M +12 +5 4.7 K +5 +5 +5 +5 16 5 1.6 K 9 15 2 14 8 4 555 1 7493 6 7 7442 2 3 800 3 7404 14 2 8 4 470 13 11 2 6 5 M 3 12 1 • .1 F 5 1 10 8 7

  4. +12 PIN 3 OUTPUTS "0" INITIAL OUTPUT: “1” 4.7 K +5 8 4 555 2 3 6 CHARGING 5 M 1 • .1 F WHEN CAPACITOR REACHES 2/3…

  5. 1 M +12 +12 1 V 50 K • .1 F 10 K 2 10 K 10 K - + 7 3 -12 6 + - 220 K 3 6 2 10 K 4 10 K 1 M +12 +5 4.7 K +5 +5 +5 +5 16 5 1.6 K 9 15 2 14 8 4 555 1 7493 6 7 7442 2 3 800 3 7404 14 2 8 4 470 13 11 2 6 5 M 3 12 1 • .1 F 5 1 10 8 7

  6. 7442 • Decoder • “Translates” binary from 7493 • 7493 • 2-Part Counter • Pin 1 detects change from “1” to “0” 7404 Inverter +5 +5 +5 +5 16 5 1.6 K 9 15 2 14 1 7493 6 7 7442 555 3 800 7404 14 8 3 2 2 4 470 13 11 3 12 5 1 10 8 7

  7. 1 M +12 +12 1 V 50 K • .1 F 10 K 2 10 K 10 K - + 7 3 -12 6 + - 220 K 3 6 2 10 K 4 10 K 1 M +12 +5 4.7 K +5 +5 +5 +5 16 5 1.6 K 9 15 2 14 8 4 555 1 7493 6 7 7442 2 3 800 3 7404 14 2 8 4 470 13 11 2 6 5 M 3 12 1 • .1 F 5 1 10 8 7

  8. Capacitor changes AC to DC 1st Op Amp amplifies Signal 2nd Op Amp checks if signal is above 1 Volt. (set by potentiometer) If signal is large enough, Op Amp sends out Signal to charge capacitor (connected to NE 555, previous slide) 1 M +12 +12 1 V 50 K • .1 F 10 K 2 10 K 10 K - + 7 3 -12 6 + - 220 K 3 6 10 K 2 4 10 K 1 M

  9. 1 M +12 +12 1 V 50 K • .1 F 10 K 2 10 K 10 K - + 7 3 -12 6 + - 220 K 3 6 2 10 K 4 10 K 1 M +12 +5 4.7 K +5 +5 +5 +5 16 5 1.6 K 9 15 2 14 8 4 555 1 7493 6 7 7442 2 3 800 3 7404 14 2 8 4 470 13 11 2 6 5 M 3 12 1 • .1 F 5 1 10 8 7 ?

  10. Capacitors reduce unwanted noise 1 M +12 +12 1 V 50 K • .1 F 10 K 2 10 K 10 K - + 7 3 -12 6 + - 220 K 3 6 2 10 K 4 10 K 1 M +12 +5 4.7 K +5 +5 +5 +5 16 5 1.6 K 9 15 2 14 8 4 555 1 7493 6 7 7442 2 3 800 3 7404 14 2 8 4 470 13 11 2 6 5 M 3 12 1 • .1 F 5 1 10 8 7 Diodes regulate voltage

  11. 1 M +12 +12 1 V 50 K • .1 F 10 K 2 10 K 10 K - + 7 3 -12 6 + - 220 K 3 6 2 10 K 4 10 K 1 M +12 +5 4.7 K +5 +5 +5 +5 16 5 1.6 K 9 15 2 14 8 4 555 1 7493 6 7 7442 2 3 800 3 7404 14 2 8 4 470 13 11 2 6 5 M 3 12 1 • .1 F 5 1 10 8 7 Questions?

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