Contents1) Learn Basics More
255. A BASIC OF CONTROL VOLUME
256. EMITTER FOLLOWER
257. BASIC OPERATION OF ZENER DIODE
258. ZENER VOLTAGE CHECKER
259. ZENER VOLTAGE CHECKER II
260. BASIC PHOTO-TRANSISTOR OPERATION
261. VOLTAGE DROP CIRCUIT BY MEANS OF DIODES
262. EXPERIMENTATION OF CAPACITOR TEMPERATURE CHARACTERISTIC
263. DARLINGTON CIRCUIT (TOUCH SENSOR)
264. EDGE-TRIGGER CIRCUIT
265. RC TYPE DIFFERENTIATING CIRCUIT
266. SWITCH MATRIX CIRCUIT
267. MEMORY BACKUP CIRCUIT
268. POWER ON RESET CIRCUIT
269. CONSTANT-VOLTAGE CIRCUIT (FIXED OUTPUT)
270. CONSTANT-VOLTAGE CIRCUIT (VARIABLE OUTPUT)
271. A RECTIFIER CIRCUIT BY DIODE BRIDGE
272. AGC CIRCUIT USING A SINGLE TRANSISTOR
273. UPPER/LOWER LIMITER CIRCUIT USING OP AMPLIFIER
274. ABSOLUTE VALUE AMPLIFIER
275. WINDOW COMPARATOR
276. WINDOW COMPARATOR II
2) Amusement on Sound
277. MULTI-TONE SIREN
278. DIGITAL RHYTHM
279. TWO-IC ELECTRIC ORGAN
280. A WATER SERVICE PIPE SOUND
281. ELECTRONIC KLAXON
282. SOUND MACHINE III
283. SOUND WAVE VARYING WITH LIGHT INTENSITY
284. PLAYER ORGAN
285. SOUND OF PASSING SIREN
286. LIGHT SOURCE SENSING CIRCUIT BY SOUND
287. ELECTRONIC PIANO CIRCUIT
288. WHISTLE GENERATING CIRCUIT
289. SPACE GUN
290. CAR HORN
3) More Radio Circuits
291. MORSE CODE TRANSMITTER
292. BROADCASTING ORGAN
293. FM TRANSMITTER (FM WIRELESS MICROPHONE)
294.
295. REFLEX NERVE TEST GAME
296. SHOOTING GAME II
297. SHOT IN THE DARK II
298. SOUND QUIZ
299. STOP THE SEVEN
300. HIGH-POWER SWITCH
301. "LOCKOUT, MR. BLACKBEARD!" GAME
302. RUSSIAN ROULETTE
303. MOLE HITTING GAME
304. "JAN KEN" GAME
305. PING-PONG GAME
5) More Adventure in OP Amplifier Circuits
306. VOLTAGE CONTROLLED AMPLIFIER
307. V-F CONVERTER
308. F-V CONVERTER
309. F-V CONVERTER II
310. WHITE NOISE GENERATOR
311. SWEEP GENERATOR
312. MULTIPLE-FUNCTION IC PROJECT
313. SOUND ALARM
314. A SOUND OF RIPPLES
315. PHOTO ORGAN
316. VIBRATO ORGAN
6) More About Oscillation
317. PHASE SHIFT OSCILLATOR
318. WIDE RANGE AUDIO FREQUENCY OSCILLATOR
319. SAWTOOTH WAVE OSCILLATOR II
320. THREE PHASE OSCILLATOR
321. WIEN-BRIDGE OSCILLATOR
322. RAMP WAVE GENERATOR
323. DIGITAL SINE WAVE GENERATOR
324. FREQUENCY-VARIABLE SINE WAVE GENERATOR
325. SINE WAVE OSCILLATOR USING D-A CONVERTER
326. RC PHASE-SHIFT OSCILLATOR
327. TWO SINE WAVES WITH DIFFERENT PHASES
328. ONE-SHOT MULTIVIBRATOR USING IC 555
329. ONE-SHOT MULTIVIBRATOR USING J-K FLIP-FLOP
330. ONE-SHOT MULTIVIBRATOR USING OP AMPLIFIER
7) Shakehands of Analog and Digital
331. PULSE NUMBER MODULATION LIGHT DIMMER
332. PULSE WIDTH MODULATION LIGHT DIMMER
333. DC-DC CONVERTER USING THE C-MOS OSCILLATOR
334. DIGITAL LIGHT DIMMER
335. A-D CONVERTER
336. D-A CONVERTER
337. PHOTOMETER WITH DIGITAL DISPLAY
338. PULSE WIDTH MODULATION LIGHT DIMMER II
8) Getting Closer to Computer
340. FULL ADDER
341. DECIMAL TO BINARY ENCODER
342. BINARY TO BCD
343. OCTAL TO BCD
344. HEXADECIMAL TO BCD
345. 3-BIT SHIFT REGISTER
346. BCD-TO-DECIMAL DECODER
9) More Digital circuits
347. 4-INPUT DATA SELECTOR
348. AND/OR CIRCUIT USING OP AMPLIFIER
349. XOR USING OP AMPLIFIER
350. TIME SHARING DISPLAY OF LEDS
351. LED LIGHTING-DUTY VARYING CIRCUIT USING ONE-SHOT MULTIVIBRATOR
352. LED BLINKING-CYCLE VARYING CIRCUIT USING ASTABLE MULTIVIBRATOR
353. LCD STATIC DRIVE CIRCUIT
354. LCD DYNAMIC DRIVE CIRCUIT
355. TESTING LCD DISPLAY RESPONSE
356. LED DRIVE BY 4 SWITCHES
357. FLASHING LED BY PRESET NUMBER
358. DIGITAL TIMER (1 TO 7 MINUTES)
359. SOUND TIMER
360. PROGRAMMABLE TIMER WITH DOWN COUNTER
10) Amusement in Electronic Circuits
361. REVOLVING LIGHT
362. PHOTO SWITCH
363. DOOR CHIME
364. VISITOR SENSING CHIME USING PHOTO-TRANSISTOR
365. TOUCH VCO
366. SOUND TUNING CIRCUIT
367. CROSSING-BELL SOUND GENERATOR
368. TURN INDICATOR
369. STAIRCASE LIGHT SWITCHING CONTROL CIRCUIT
370. PSEUDO CANDLE CIRCUIT
371. LIE DETECTOR
372. LIGHT SENSING CIRCUIT
373. AUTOMATIC LIGHTING LED
374. SOUND SENSING LED
375. ILLUMINATION LAMP
376. INTERCOM
377. PIP SOUND INTERPHONE
378. ELECTRONIC VOLUME
379. PEDESTRIAN SIGNAL
380. TIME COUNTER
381. LED DISPLAY COUNTING UP/DOWN CIRCUIT
382. AN ELECTRONIC PENDULUM
383. STAIRCASE LIGHT SWITCHING CONTROL CIRCUIT-II
384. LAMP BRIGHTNESS CONTROL CIRCUIT
11) Testing and Measuring Circuits
387. BATTERY CHECKER
388. CONDUCTIVITY TESTER
389. IC OSCILLATOR/COMPONENT TESTER
390. VOLTAGE DROP ALARM
391. TRANSISTOR CHECKER
392. CURRENT SHUT-DOWN CIRCUIT
393. LOGIC CHECKER
394. LOGIC CHECKER II
395. THREE-STEP WATER LEVEL INDICATOR
396. TEMPERATURE ALARM
397. FUNCTION GENERATOR
398. TACHOMETER
399. BATTERY CHECKER II
400. DIGITAL ILLUMINOMETER
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