Доброго времени суток!
Сделал AV кабель для соединения видео передатчика TS835 и GoPro Hero3+ с возможностью зарядки. Получилось две схемы и обе работают (есть видео и происходит зарядка). Стало интересно какая из схем будет правильной с точки зрения радиоэлектроники. В первой схеме задействованы сразу два GND контакта, во второй только один, который связан с зарядкой.
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