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I'm not a developer of Embedded system. My project is use AR9344 to setup a system in long haul clock convey purpose. I already have ART2 kit in hand, I want to make sure whether I could use USB device mode to config a Board based on AR9344(not fully comply to the DB120). Because there is no...
I understand your consideration. The company always build right in use item to facilitate the customer. I use the buzzer array the bombard a heated gas to excite it to radiate. The best frequency is 40Hz(maybe it's not the resonant frequency of the buzzer, but it's very near the F0). Giving the...
Dear goldsmith and sky_123
so your advice is first rectify the AC to DC, then invert it to 40hz signal, then rectify it to Square wave. The other method is transform the AC to 12V then drive a MOSFET with either a 555 ic at 40Hz or a TLP250 opto coupler which as a totem pole internally.
My...
Hi,goldsmith
Actually, I'm a antenna designer.The project is a buzzer array work on 40Hz. The passive electromagnetic buzzer should be drived with the external signal with 40hz 110V AC, and the preferred waveform is not sine wave but half square wave. The question is if the power is 60hz 110v...
Dear professionals
I need to build a power tranducer to drive a eletromagnetic buzzer.The residential electricity in USA is 110V 60Hz, I need the output to be 110V 40hz in square wave with with limited output current.
How can I get the transducer, please help, thank you in advance. **broken link...
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