A deaf visual doorbell circuit

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A deaf visual doorbell circuit - schematic

acket road naughty electricity when connected F pity door button S1. Doorbell Ming I noon. ij this. irt, product f Bong tube Tl With 5011z rF radio frequencies title I turn on and off IE semi-conductive Si J Po, Bao and a half weeks off), which set telegraph transmission til 5 [m] llz Wklrr falling edge ici.. lC... {Single composition are more stable oscillator. After Meng monostable read by a call between a, Ma was determined to be 15 mouse monostable output pulse, the more the more it where Kai r ICl r, lcl. l oscillator composed song, then f IlCIL meter oscillation signal output to control the drive tube T-off. r is, i Division plt Following IU is 1C. a small light-emitting diode l write off, he lost the series in the end of the mountain K2 bulb along with flash light, to ICh, IC-I, one-shot or idle time ends at prior to this release for the doorbell button + U. send two transport tube Dll lC:. a P Wj marrow to a diode-indole step Blinking rate circuit is working properly driven bubble power. nine most a few up IOOW.

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