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Watch-Man-Watcher

Watch-Man-Watcher

4251N5546N365N243732841-+IC5N1211414N41237O/P24376158IC6555T109124673gfedcba1331015IC874LS471211878914164514166IC774LS192324711145910115Q3Q2Q1Q0UPDNR+++++5VTELEPHONE LINESTIPRINGC10.47μ160VR133KR52.2KVR10KLDR1R610KR7220ΩLED1VR347KR8220ΩC70.1μ, 16VC60.01μC51000μ16VIC3 (N1-N3) = 74LS14IC4 (N4-N5) = 74LS00IC5 = LM358R9220ΩR11220ΩR10220ΩC80.1μS1R131K230V AC50HZR42.2KC416VC30.01μC233μ16VR31KT1BC548S1 = TACTLE SWITCHL1ALERTLAMP230V 60WBULBR12470ΩN/CD11N4001R210KVR11MN/ORL1DIS1LTS51ORSP550NLRL1 = 5V, 100Ω1C/O RELAYDISO/P24376158IC2555TTHRIC1MCT2ERESETWatch Man Watcher
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publish time: 2020-10-26
Circuit Everyday

This is a circuit that can be used at night in offices, stores, warehouses, etc., to check whether the corporate watchman is on duty.To operate, it USES an existing phone that is closest to the watchman position (for example, in an office or store).

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