Electronics Projects Vol. 4
2: Circuit diagram alt;agt;( the auto wah unit. Hg. 1: The first generation office call bell system. PARTS LIST D1-D7 CI-C4 LI-L3 RLI-RL3 IN400! diode 500aquot; F, 25V electrolytic capacitor 230V. ... one of the call switches is held depressed, an electric bell or a buzzer can be connected across the normally-open contacts of this relay.
| Title | : | Electronics Projects Vol. 4 |
| Author | : | |
| Publisher | : | EFY Enterprises Pvt Ltd - 2009-11-01 |
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