Institute Newton C. Braga

Isolated Shields For Arduino and Other Microcontrollers (MEC031E)

Circuit Bench

Wien bridge oscillator (CB21864E)
This Vienna bridge multi-band oscillator circuit was found in a 1974 Ferranti transistor manual. The...
Metal detector (CB7888E)
This circuit was found in a 1970s RCA publication. Transistors support modern equivalent types....
Sound Voltmeter (CB25975E)
This circuit was found in the September 1996 issue of Electronics Now magazine. The sound provided has...