Возможно дело в линейном регуляторе LM2937L ? (конденсаторы рядом с ним на 220 мкф 16в)
как его можно проверить?
Померили напряжение на потенциометре газа.
2.67В - 2.4В
Заблокировали курок минут на 20
2.35В - 2.65В
красным указаны контакты потенциометра на котором проводились измерения (газ)
на линейном регуляторе стабильно на выходе 3.3-3.29 вольта
Погодите! а где вы BEC то установили? На фото его не видно.
Вижу только LDO стабилизатор LM2937. Если питание с аккумулятора идет напрямую на этот стабилизатор, то вам и одной липошки для питания хватило бы, т.е. 7,4 В.
Бек на входе питания (в отсеке для батареек)
проблема актуальна…
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