SERGEY DOROFIENKO
RUSSIAN FEDERATION, THE • + Follow
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Components
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20 kOhm (0805) |
x 1 | |
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8.2 kOhm (0805) |
x 1 | |
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1 kOhm (0805) |
x 1 | |
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47 Ohm (0805) |
x 2 | |
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22 uFx16V caseB |
x 1 | |
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1N4148 |
x 1 | |
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BC847 (1F) |
x 1 | |
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BC857 (3F) |
x 1 | |
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NE555 |
x 1 | |
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LED red 5mm |
x 40 | |
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bat/snap (9V) |
x 1 | |
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Button |
x 1 |
Description
Живое Сердце
Переключением светодиодов управляет генератор, выполненный на микросхеме универсального таймера U1. Рабочая частота генератора определяется номиналами резисторов R1, R2 и конденсатора C1. Транзисторные ключи VT1, VT2, коммутирующие светодиоды, предотвращают перегрузку выходного каскада микросхемы U1. Диод V1 предохраняет устройство от выхода из строя при неправильном подключении источника питания.
Dec 09,2019
787 views
Живое Сердце
787
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2.50 (1)
Published: Dec 09,2019
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- James Ancsanyi Apr 26,2020
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2.50
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