Institute Newton C. Braga

Isolated Shields For Arduino and Other Microcontrollers (MEC031E)

Circuit Bench

Connecting the Telephone Line to a Sound Equipment (CB16970E)
This adapter circuit was found in a 1990 documentation. It is possible to connect a telephone line...
PLL AM receiver (CB8633E)
This receiver circuit was found in a Hands On Electronics from the 90s. The circuit uses a PLL...
Dual Power Supply with 9 V Battery (CB1344E )
The operational amplifier of this low current source may be any of the JFET type. The output...