Catalogue of 555 integrated circuit application essence books

Chapter 1 Internal Composition and Characteristics of 555 Circuit

Internal composition of 1. 1 bipolar 555 circuit

Introduction of 1.2 CMOS 555 Circuit

Main technical parameters of 1.3 555 circuit

Quality inspection and appraisal of 1.4 555 integrated circuit

The second chapter is the application of 555 circuit as multivibrator

2. 1 Basic oscillation circuit consisting of 555 circuits

1. Direct feedback multivibrator

2. Indirect feedback multivibrator

3. Improved indirect feedback multivibrator

Several variants of 4. 555 oscillating circuit

5. Correction of initial output pulse of oscillating circuit

6. Linear adjustment of oscillation frequency

7. A multivibrator with special structure-voltage controlled oscillator.

8. Modulated oscillator consisting of 555 circuits.

2.2 The actual circuit of multivibrator

1. Square wave oscillator with adjustable frequency

2. Oscillator with adjustable duty cycle and frequency respectively

3. Sawtooth wave circuit with good linearity

4. Square wave triangular wave generating circuit

5. Multi-waveform signal generator

6. Narrow pulse signal generator

7. Sweep frequency ultrasonic signal generator

8. Scale generator

9. Simple music player

10. animal whine analog circuit

1 1. Alarm effect analog circuit

12. ambulance sound analog circuit

13. Telephone bell analog circuit

14. Toy shooting analog circuit

15. Electronic flute circuit

16. Rain Sound Analog Circuit

17. Bell analog circuit

18. Intermittent buzzer

19. Electronic doorbell circuit

20. Doorbell circuit that can make "Ding Dong" sound.

2 1. Micropower "Ding Dong" doorbell circuit

22. Multi-tone alarm circuit

23. Power conversion circuit consisting of 555 circuits.

Several examples of 24.555 circuit forming voltage doubling and boosting circuit.

25.555 transistor booster circuit.

26. Power conversion circuit for transformer boosting

27. Turn DC into alternating current.

28. Positive and negative power conversion circuit

29. Boost circuit of negative ion generator

30. Switch positive and negative symmetrical DC power supply

3 1. switching power supply conversion circuit

32. PWM DC regulated power supply

33. Adjustable switching regulated power supply

34. Switching power supply with output current of1.5a.

35. Single power supply multi-channel boost power supply conversion circuit

36.LC filter switching power supply conversion circuit

37. 10kV DC- AC power conversion circuit

38. Neon lamp with high-voltage power conversion circuit

39. Numerical control voltage doubling and boosting power supply conversion circuit

40.LED flash

4 1. Bicycle night flash circuit

42. One of the color-changing flash controllers

43. The second color-changing flash controller

44.LED step flow flash controller

45.LED entertainment flash controller

46. Two-color pattern lantern circuit

47. Motor vehicle steering flash indicator circuit

48. Car turn indicator controller

49. A night light with adjustable brightness.

50. Incandescent light bulb protection circuit

5 1. 16 dimming desk lamp circuit

52. Automatic grading dimming table lamp circuit

53. Light-controlled automatic dimming table lamp circuit

54. Control circuit of public facilities sign lamp

55. Static micro-power delay lamp control circuit

56. Rock Lantern Automatic Control Circuit

57. 10 float lamp control circuit

58. Music control two-color alternating flashing light circuit

59. Water level alarm with simple circuit

60. Audio lighting alarm

6 1. Emergency alarm for patients with coronary heart disease

62. High-voltage transmitter

63. Anti-static soldering iron safety power socket

64. Battery voltage status indicator

65. sickbed pager

66. Household water heater water temperature alarm

67. The use of power line transmission signal alarm circuit

68. Automatic cycle timer

69. Alternating cycle working controller

70. Electric blanket cycle timing controller

7 1. One of the timing control circuits of household exhaust fan

72. Household exhaust fan timing control circuit (2)

73. Automatic flushing controller for public toilets

74. One of the long delay adjustable timers.

75. The second long delay adjustable timer

76. Multifunctional adjustable universal timer

77. Timer with adjustable timing.

78. Adjustable timer, delay 16 hours.

79. Digital preset timer

80. Cycle timing controller with preset start and stop functions

8 1. Temperature-frequency conversion type temperature control switch

82. The tap water valve infrared control circuit

83. An infrared automatic faucet

84. The second infrared automatic faucet

85. The third kind of infrared automatic faucet

86. The timer can be started and stopped instead of a constant temperature refrigerator.

87. Grain moisture detector

88. High-precision temperature frequency conversion circuit

89. High-precision contactless thermostat controller

90. Automatic power-off charging controller

9 1. Three-channel infrared remote control transmitter

92. High-performance water level indicator

93. The electric fan sleep wind controller

94. No-load power saving device for electric welding machine

95. Optocoupler electric heating control circuit

96. Audio double limit temperature control switch

97. Line breakpoint acousto-optic detector

98. Cable breakpoint tracker

99. Multi-core cable breakpoint tester

100. Line scanning transformer short circuit tester

10 1. Additional circuit for measuring capacitance with multimeter

Acousto-optic logic pen composed of 102.555 circuit

103. One of the electronic boosters of megohmmeter

104. Electronic booster of megohmmeter II

105. Optical coupler detector

106. Simple capacitance test bridge

107. Bidirectional thyristor detector

108. self-made transistor characteristic curve plotter

109. Battery internal resistance tester

1 10. moisture detector for grain, oil and meat

1 1 1.r, l and c multi-purpose measuring instrument

1 12. Telephone maintenance signal source

Chapter 3 Application of 555 Circuit as Monostable Circuit

3. Basic circuit of1monostable circuit

1. Manually start the monostable circuit.

2. Pulse start monostable circuit

3. Various deformations of monostable circuits

4. Basic application circuit of monostable circuit

5. Improve the application effect and working reliability of monostable circuit.

3.2 The actual circuit of monostable circuit

1. Optically controlled electronic bird circuit

2. Light-controlled music birthday candle circuit

3. Light-controlled automatic curtain circuit

4. AC power failure voice alarm power socket

5. AC incoming call music report circuit

6. "Ding Dong" sound alarm circuit for AC incoming call.

7. Optical coupling clock timing power socket

8. Reflective infrared control delay switch circuit

9. Infrared reflection time-limited control water-saving valve

10. Interrupt the infrared switch circuit

1 1. Sound control analog meow circuit

12. Electric fan temperature control circuit

13. automatic control circuit for cooling fan of amplifier circuit

14. Voice-activated light delay switch circuit

15. Voice control, touch delay light switch circuit

16. Touch timing desk lamp circuit

17. Touch the step relay

18. Touch alarm circuit

19. Touch the Ding Dong doorbell circuit.

20. Touch the bicycle "bell"

2 1. electric fan safety protection device

22. One of the dogs is called burglar alarm.

23. Touch the dog and call the burglar alarm II.

24. Touch delay identification door lock alarm

25. Touch delayed voice alarm

26. Touch the electronic flute alarm

27. Induction dog barking alarm circuit

28. Induction burglar alarm control circuit

29. Human body induction anti-theft alarm circuit

30. Voice alarm circuit triggered by magnetic switch

3 1. Anti-theft monitoring automatic alarm telephone circuit

32. Multifunctional alarm monitoring experimental circuit

33. Switch triggered alarm control circuit

34. Highly sensitive voice triggered alarm circuit

35. Micro-vibration high loudness alarm

36. Voice triggered dog barking alarm circuit

37. Dog barking circuit triggered by footsteps

38. Deaf people use flashing doorbell.

39. Meeting room smoke monitoring alarm

40. Mobile liquid level alarm

4 1. Balcony burglar alarm lamp

42. Self-resetting leakage protector

43. Time-adjustable intermittent cycle timer

44. Timing control circuit with second-order accuracy

45. Ringing automatic delay control circuit

46. Voice-activated delay light switch

47. Timing program controller

48. Programmable timing program controller

49. Telephone call timer

50. Audio and timing control automatic shutdown circuit

5 1. Multifunctional safety power socket

52. Adjustable delay start relay

53. Infrared reflection delay light switch

54. Infrared remote control delay light switch without special remote control.

55. Infrared reflective lighting delay switch

56. Thermoelectric control automatic energy-saving lamp

57. One of the delay lights controlled by pyroelectric module.

58. Second delay lamp controlled by thermoelectric module

59. Timing pager circuit

60. Two-stage timer circuit

6 1. Automatic lighting circuit for night telephone

62. Taxi reminder

63. Bus closing reminder

64. Fax machine protection circuit

65. Telephone anti-theft junction box

66. Reflective infrared detection control circuit

67. High sensitivity charge detection circuit

68. Product output counter

69. Speaker polarity identification circuit

70. Continuous photography flash automatic control circuit

7 1. Automatic bathroom door control switch

72. Touch to turn on the light and delay to turn off the light switch.

73. Music doorbell and burglar alarm circuit

74. Automatic flushing controller for public toilets

75. Power load indicator and overload power-off controller

76. Household electrical overload controller

77. Fully automatic AC voltage regulator

78. High voltage delay control circuit of electron tube amplifier

79. Automatic faucet for limited water supply

80. Electronic pulse meter circuit

8 1. Automatic protection circuit for overvoltage and undervoltage of power supply

82. No power consumption static touch delay lamp circuit

The fourth chapter is the application of 555 circuit as R-S trigger.

4. Basic circuit of1r-s flip-flop

The basic working principle of 1 R-S flip-flop

2. Typical application of R-S trigger

4.2 Application example of trigger

1. Simple touch electronic switch circuit

2. Touch timing dual-purpose lamp switch circuit

3. Touch the double lamp switch circuit

4. Chess game timer circuit

5. One-key bistable relay circuit

6. Touch bistable relay circuit

7. Interval thermostat with upper and lower limits

8. Constant temperature control circuit

9. Semiconductor refrigeration temperature controller

10. Upper and lower thermostat

1 1. Replace refrigerator with thermostat.

12. music information automatic liquid level control circuit

13. Water level automatic control circuit of tap water tower

14. automatic control circuit of deep well water tower

15. Automatic protection circuit for power supply overvoltage

16. Overcurrent protection circuit

17. Overload protection circuit

18. Electronic fuse type current limiter

19. automatic controller for charging cadmium-nickel battery

20. High-performance street lamp control switch circuit

2 1. Automatic controller for intermittent operation

22. Single-key multi-control switch

23. Battery status monitor

The fifth chapter is the application of 555 circuit as Schmidt trigger.

5. Basic circuit of1Schmitt trigger

Basic composition and working principle of 1. Schmidt circuit

2. The typical application circuit of Schmidt circuit.

5.2 Practical Circuit of Schmidt Trigger

1. Automatic tracking control circuit of solar cooker

2. Automatic control circuit for ventilation and heat dissipation of electronic equipment

3. Two examples of power load overload protection circuits

4. Car engine water shortage alarm

5. There is no reminder on the phone.

6. Automatic control teaching demonstrator

7. A road lighting control switch circuit.

8. Road lighting control switch circuit II

9. Automatic switch circuit for street lamp control

10. Power-saving control circuit of light-controlled timing street lamp

1 1. neon light control power-saving switch circuit

12. Optical coupling water alarm

13. Illuminance measuring instrument

14. Optically controlled alarm

15. Simple water level controller

16. A simple fast charger

17. Simple and fast charger II

18. Simple power limiter

19. No-load power-saving device for AC welding machine

20. Standby power saving device for household appliances

2 1. Household gas leak alarm

22. Bus door closing indicator

23. Car overtaking headlight controller

24. Two examples of automobile flash controller

25. Intermittent operation control circuit of automobile wiper

26. Car temperature controller

27. Shaft temperature detection alarm

28. Password electronic lock

29. Transformer-free DC regulated power supply

30. Audio equipment automatic shutdown circuit without signal

3 1. amplifier automatic turn-off circuit without signal

32. Automatic control circuit of household ventilator

33. The newspaper reading column lamp automatic control circuit

34. Touch switch control circuit

Chapter VI Integrated Application Circuit of 555 Circuit

1. Acousto-optic indicating logic pen

2. Circuit on-off tester

3. Contactless audio pencil

4. Capacitance tester

5. Capacitance screening instrument

6. Digital capacitance meter

7. Simple digital frequency meter

8. Multifunctional measurement and control instruments

9. Multifunctional Circuit Tester

10. Sleep automatic wake-up device

1 1. Sleep wake-up device with increased volume.

12. Close the door when the volume increases.

13. Optical coupling experimental circuit

14. An infrared controlled automatic hand dryer

15. infrared control automatic hand dryer II

16. infrared controlled automatic hand dryer (3)

17. infrared automatic faucet

18. control circuit of timing cycle exhaust fan

19. Simple analog natural wind circuit

20. Household power inverter

2 1. Second adjustable timer

22. Alternative timing controller for washing machine

23. Electric blanket power-saving controller

24. Automobile wiper speed regulating circuit

25. A sound control switch with good anti-interference performance.

26. Reaction ability tester

27. Road construction safety sign lamp

28. Light-controlled flashing road sign lamp circuit

29. Voice-activated delay lamp circuit

30. Multi-control lighting circuit

3 1. Long-life road construction warning light controller

32. Telephone desk lamp circuit

33. An infrared remote control dimming circuit

34. Infrared remote control dimming circuit II

35. Lantern Festival controller

36. Color-changing advertising lighting controller

37. triumphant electronic decoration

38. Infrared reflection burglar alarm

39. Infrared reflective pathfinder for the blind

40. Infrared reflection automatic clock report

4 1. infrared reflection anti-collision alarm for reversing

42. Infrared control electronic mousetrap

43. Electronic cat-like mousetrap

44. Electronic mousetrap

45. Multi-frequency ultrasonic insect repellent

46. High-power ultrasonic insect repellent

47. Electronic fly killer

48. Electronic cockroach killer

49. Efficient moth-killing lamp

50. Electronic firefly circuit

5 1. Multi-channel monitoring alarm circuit

52. Touch multi-channel alarm

53. Multi-channel temperature detector

54. Induction high-voltage alarm

55. Household gas leak alarm

56. Power overvoltage protection circuit

57. Household electrical safety devices

58. Self-resetting household electrical safety device

59. Motorcycle burglar alarm

60. Outdoor TV antenna burglar alarm

6 1. Child loss prevention alarm

62. Infrared reflective electronic crutches for the blind

63. Patients with coronary heart disease fainted for help.

64. Advanced password electronic lock circuit

65. A driving device for preventing pets from being injured.

66. The electronic simulated bird of Phoenix spreading its wings and flying

67. Electronic analog zoo toy circuit

68. Electronic shooting game machine circuit

69. Simulated rocket launches electronic game machines.

70. Toy machine gun sounder

7 1. Infant attention trainer

72. Automatic music player

73. Ding Dong doorbell circuit

74. Acousto-optic electronic doorbell circuit

75. Motion direction indicator

76. Accelerated motion display circuit

77. Deceleration movement display circuit

78. Electronic Christmas tree circuit

79. Ozone generator

80. Multi-frequency electric pulse therapeutic instrument

8 1. Multifunctional electric pulse therapeutic instrument

82. One of the sensor circuits consisting of 555 circuits.

83. The second sensor circuit consists of 555 circuits.

84. Efficient switching regulated power supply

85. Audio source changeover switch

86. Double 5-speed electronic switch

87. Interrupt the infrared remote control switch

88. Four-channel infrared remote control switch

89. Time-sharing proportional radio remote control switch

90. Decorative painting with additional audio circuit

9 1. Rebuilding electric oven with pressure cooker

92. Binary-decimal counting dual display demonstration circuit

93. Bidirectional voltage comparator

Appendix 1 555 Quick Table of Unstable Circuits Classification

Appendix 2 555 Classification of monostable monostable circuits

Appendix 3 555 Circuit Bistable Circuit Classification Quick Table