Data Sheet
Project Listings
67. Direct Current and Alternating Current 48
68. Safety Circuit 49
69. Controlling Electrical Appliances 49
70. Individually Controlled Electrical Appliances 50
71. Switches on Appliances 50
72. LEDs are less “Buggy” 51
73. Triple Input ‘AND’ Gate 51
74. Triple Input ‘OR’ Gate 52
75. Series-Parallel Circuit Paths (I) 52
76. Series-Parallel Circuit Paths (II) 53
77. Three-person Rocket Launch 53
78. Circuit Breakers 54
79. Reed Switches in Laptops 54
80. Reed Switches for Speed Sensors 55
81. AND Gate and OR Gate Logic 55
82. More AND/OR Gate Logic 56
83. Applications of the Press Switch 56
84. LED Efciency 57
85. Instant ON 57
86. Batteries 58
87. Direction that Current Flows 58
88. Forward & Reverse Bias 59
89. More AND/OR Gate Logic 59
90. Measuring Current 60
91. Calculating Internal Resistance of the LEDs 60
92. Revisiting Kirchhoff’s Current Law 61
93. NOT Gate 61
94. Measuring Voltage 62
95. Internal Resistance of the LED Modules 62
96. Conservation of Energy 63
97. Different Color LED Turn On Voltages 63
98. Fire Drill Alarm 64
99. Resistors in Parallel 64
100. Sound Waves 65
101. Visual and Audio Alarm 65
102. Speakers 66
103. The Capacitor 66
104. Charging the Capacitor 67
105. NPN Transistor – a Current Switch 67
106. Delay Circuit 67
107. NPN Transistor Basics 68
108. Voltage Divider 68
109. Electricity Storage 69
110. Capacitor Discharge 69
111. Capacitor Basics 70
112. Capacitance 70
113. Measure of Electric Charge - The Coulomb 71
114. Measure of Capacitance - The Farad 71
115. Approximation for Capacitance of a Capacitor 71
116. Photoresistor 72
117. Photoresistor Basics 72
118. Resistance of a Photoresistor 72
119. Latency of a Photoresistor 73
120. Wake Up Alarm 73
121. Advantages of Photoresistors 74
122. Disadvantages of Photoresistors 74
123. Reverse Control using Photoresistors 75
124. Street Lights 75
125. Audio Compressors 75
126. The Colorful LED 76
127. Angular Light Intensity 76
128. 4-Band Resistor 76
129. Load on Emitter 77
130. RC Circuit 77
131. Resistor in RC Circuit 77
132. Delayed Lights 77
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