电工基础2026-03-04

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电工基础2026-03-04

FIG.11:Show a long-range timer relay switching circuit which spans 1minute to 20 hours in three ranges using a three-step,two-deck mechanical rotary switch.

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电工基础2026-03-04

All errors in circuit diagrams , documents and layout are corrected. the circuit as shown belos is functional and working.Note the and easily destroyed by wrong connection,shorts ,over voltage or too

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