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This site is the primary source of information about Technology, Electronics, Telecom, Robotics, STEM and all things related with that subjects edited by Newton C. Braga.

Mr. Braga is also the owner of the Instituto Newton C. Braga or NCB, a publisher house for his book. As author and publisher he has more than 160 published bokks in many countries such as Brazil, USA, Mexico, Argentina, Russia, China, etc.

Many of his books are in English and can be bought in USA and many other countries such as Canada, England, etc. accessing our bookstore page by the link: .


Circuit Bench

  • Touch Switch (CB1352E)

    This circuit was obtained in an old documentation and is characterized by the high sensitivity...

  • Twin-T Oscillator (MSB031)

    This circuit generates sine low-frequency signals. The frequency depends on the twin-T network....