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Project # Description Page #
102 Batteries in Series 5
103 Batteries in Parallel 5
104 Spacey Fan 6
105 Two-Transistor Light Alarm 6
106 Light-Controlled Alarm 6
107 Automatic Street Lamp 7
108 Voice-Controlled Rays of Light 7
109 Blowing Off the Electric Light 7
110 Adjustable Tone Generator 8
111 Photosensitive Electronic Organ 8
112 Electronic Cicada 8
113 Light & Sounds 9
114 More Light & Sounds 9
115 More Light & Sounds (II) 9
116 More Light & Sounds (III) 9
117 More Light & Sounds (IV) 9
118 Motor Speed Detector 10
119 Old-Style Typewriter 10
120 Space War Sounds 11
121
Space War Sounds Controlled by Light
11
122 Space War Radio 12
123 The Lie Detector 12
124 NPN Amplifier 13
125 PNP Amplifier 13
126 Sucking Fan 14
127 Blowing Fan 14
128 PNP Collector 14
129 PNP Emitter 14
130 NPN Collector 15
131 NPN Emitter 15
132 NPN Collector - Motor 15
133 NPN Emitter - Motor 15
134 Buzzing in the Dark 16
135 Touch Buzzer 16
Project # Description Page #
136
High Frequency Touch Buzzer
16
137
High Frequency Water Buzzer
16
138 Mosquito 16
139 High Sensitivity Voice Doorbell 17
140 Louder Doorbell 17
141 Very Loud Doorbell 17
142 Doorbell with Button 17
143 Darkness Announcer 17
144 Musical Motion Detector 17
145 Radio Music Alarm 18
146 Daylight Music Radio 18
147 Night Music Radio 18
148 Night Gun Radio 18
149 Radio Gun Alarm 18
150 Daylight Gun Radio 18
151 Blow Off a Space War 19
152 Series Lamps 19
153 Parallel Lamps 19
154 Fire Fan Symphony 20
155 Fire Fan Symphony (II) 20
156 Fan Symphony 20
157 Fan Symphony (II) 20
158 Police Car Symphony 21
159 Police Car Symphony (II) 21
160 Ambulance Symphony 21
161 Ambulance Symphony (II) 21
162 Static Symphony 22
163 Static Symphony (II) 22
164 High-Power Symphony 22
165 High-Power Symphony (II) 22
166 Water Detector 23
167 Salt Water Detector 23
168 NPN Light Control 24
169 NPN Dark Control 24
Project # Description Page #
170 PNP Light Control 24
171 PNP Dark Control 24
172 Red & Green 25
173 Current Limiters 25
174 Current Equalizing 25
175 Battery Polarity Tester 25
176 Blow Off a Doorbell 26
177 Blow Off a Candle 26
178 Blow On a Doorbell 26
179 Blow On a Candle 26
180 Screaming Fan 27
181 Whining Fan 27
182 Light Whining 27
183 More Light Whining 27
184 Motor Than Won’t Start 27
185 Whiner 28
186 Lower Pitch Whiner 28
187 Hummer 28
188 Adjustable Metronome 28
189 Quiet Flasher 28
190 Hissing Foghorn 29
191 Hissing & Clicking 29
192 Video Game Engine Sound 29
193 Light Alarm 30
194 Brighter Light Alarm 30
195 Lazy Fan 30
196 Laser Light 30
197 Water Alarm 31
198 Drawing Resistors 31
199 Pitch 32
200 Pitch (II) 32
201 Pitch (III) 32
202 Flooding Alarm 32
203 Make Your Own Battery 33
PROJECT LISTINGS
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