Solar radio circuit

Solar radio circuit Solar energy is an inexhaustible energy source. Devices that directly convert solar energy (or other light energy) into electrical energy are called solar cells. With the increasing awareness of energy saving and environmental protection, solar cells are b

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Six best smartphones of 2009: Apple iPhone 3GS

Six best smartphones of 2009: Apple iPhone 3GS According to foreign media reports, Gartner, an American market analysis agency, said that smartphones are the fastest-growing field in the mobile phone market this year. Sales in the third quarter of this year have increased fro

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Headlight Flasher

Headlight Flasher + September 98 Project: Headlight FlasherThis circuit was requested from an email. It will allow your car headlights to flash on and off at the same TIme or it will cause them to flash alternately. The circuit is based on the 555 TImer. It is used in the ast

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Manufacture of several wireless microphone circuits

Manufacture of several wireless microphone circuits This article introduces in detail some representative low-power transmission circuits in the 88-108MHz FM broadcast range that are easy to make successfully in amateur situations. Among them are simple single-tube transmissi

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3-phase brushless DC (BLDC) motor control solution

3-phase brushless DC (BLDC) motor control solution Motor control is not as simple as turning on or off a switch, especially the 3-phase brushless DC (BLDC) motors and permanent magnet asynchronous motors commonly used in industrial robots. How to reliably and stably control t

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