Circuit Bench

Articles
Title
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 )
Dimmer with the SC141B (CB1257E)
Charge Monitor and Alarm (CB1256E)

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