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transmitter board

Dominik-Workshop

Lap timer, EKA 2 sem PWR

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Main components

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Part NumberDescription
NE555DPrecision Timers, 555 compatible, SOIC-8
TP40561A Standalone Linear Li-ion/LiPo single-cell battery charger, 4.2V ±1% charge voltage, VCC = 4.0..8.0V, SOIC-8 (SOP-8)
DW01AOvercharge, overcurrent and overdischarge protection IC for single cell lithium-ion/polymer battery

transmitter board schematic

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transmitter board board layout