Institute Newton C. Braga

Circuit Bench

Clock Activated Relay (CB18617E)
This circuit uses a common digital clock to activate a relay at a programmed time. The circuit takes...
Long-lasting flasher LM3909 (CB25422E)
This circuit can flash for up to 30 months using alkaline batteries as shown in the table next to the...
2W FM Transmitter (CB17117E)
This transmitter has excellent range when using an external antenna (respecting legal...