Elenco 500-in-1 Electronic Project Lab User Manual
Page 5

199. RANDOM ACCESS DISPLAY
121
200. DECADE COUNTER
121
201. BCD COUNTER WITH DISPLAY
122
202. OCTAL COUNTER WITH LINE DECODER
122
203. OCTAL COUNTER WITH DISPLAY
123
204. DECADE COUNTER WITH DISPLAY
123
205. DECADE COUNTER WITH DISPLAY II
124
206. BCD TO 7-SEGMENT DECODER
124
13) Amusement in Digital Land
207. VCO BY NOR GATE
125
208. PULSE-DELAYED CIRCUIT
125
209. NAND GATET ONE GENERATQR
126
210. TRANSISTOR TIMER
126
211. NOISE-SIGNAL DISCRIMINATOR
127
212. PULSE STRETCHER
127
213. BIDIRECTIONAL BUFFER
128
214. VARIOUS INVERTERS
128
215. ELECTRONIC SWITCH
129
216. TONE BURST GENERATOR
129
217. DIGITALTIMER
130
218. DIGITAL TIMER II
130
219. TEN COUNT BUZZER
131
220. PRESS FIRST
131
221. TARGETRANGE
132
222. CATCH THE EIGHT
132
223. SOS ALERT
133
224. WHEEL OF FORTUNE
133
225. LEAPIN LEDS
134
14)
Surprise and Fun Revisited
226. EXPERIMENT OF ELECTROMAGNETIC INDUCTION
134
227. ELECTRONIC CANDLE
135
228. CONSTANT CURRENT CIRCUIT
125
229. A PHONY COUNTER
136
230. ALPHABET FLASHER
136
231. WINKING LEDS
137
233. DELAYED TIMER II
137
234. VOICE LEVEL METER
138
225
CROSSING SIGNAL
139
236
OCTAVE GENERATOR
139
237. BUZZIN LED
140
238. SON OF BUZZIN LED
140
239. SOUND OUT TIMER
141
240. SOUND STOP
141
241. BIG MOUTH!
142
242. LIGHT OR SOUND
142
243. BE YOUR OWN MULTIVIBRATOR
143
244. ANTICIPATION
143
245. SET/RESET MATCH
144
15) Testing and Measuring Circuits
246. CIRCUIT CONTINUITY CHECKER
144
247. ACOUSTIC OHMMETER
145
248. AUDIO SIGNALTRACER
145
249. AUDIO SIGNAL GENERATOR
146
250. METAL DETECTOR
146