Circuit Bench

Articles
Title
Auto Stabilized Zener using the 741 (CB1283E)
Variable Zener Variable from 2.5 to 10 V (CB1284E)
Adjustable Voltage Reference (CB1282E)
Freezer Alarm (CB1281E)
Linear Regulator For Solar Cell (CB1176E)
Level Indicator 741 (CB1279E)
Touch Key 555 (CB1278E)
CMOS Proximity Switch (CB1277E)
CMOS Logic Switch (CB1276E)
5 V Stabilizer with the 741 - I (CB1175E)
CMOS Touch Key with Lock (CB1275E)
FET Touch Relay (CB1274E)
One Minute TTL Timer (CB1273E)
CMOS Digital Timer from 0 to 99 Minutes (CB1272E )
One Hour Timer using the 555 (CB1271E)
Battery Regulator (CB1174E)
741 Timer Up To 10 Minutes (CB1270E)
Delay Up to 5 Minutes with Triac (CB1269E)
Microsecond CMOS Timer Up To Hours (CB1268E)
Nixie 10 Minute Timer with Nixier Tube (CB1267E)
Timer 555 from Microseconds to Hours (CB1266E)
12 V Source from Battery Charger (CB1173E)
555 in Cascade with Automatic Retrigger (CB1265E)
Long Timing For Motor (CB1264E)
Sequential Timer 555 (CB1263E)
Four-Transistor Timer (CB1261E)
RIAA Preamp (CB1260E)
Regulador Ajustable de Corriente (CB1484S)
Audio Mixer (CB1259E)
Preamplifier with NE542 (CB1258E )

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