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Engine Relay Board Hookup Guide-AT89S8253. You can find three primary parts for a engine relay board.

As gear like engines and relays need high present, microcontrollers cannot drive them. To be able to drive them, we require unique present motorists. Motor relay board comes to the photo as a result of these demands. Engine relay board drives engines and relays by providing enough present. It could drive one relay and four DC engines or one stepper motor at a time. The engine relay board eases the job of interfacing motor that is external AC products with all the ATmega32 microcontroller. This has ULN2003 motorists for high applications that are current motor driving and relay driving circuits for AC unit interfacing.

Relay Motorist

With the supplied relay circuit, 230V products may be managed. This area is effective for automating the off and on.

Engine Driver

The DC motor could be managed making use of this part, there was 4 ULN2003 driver managed lines for driving engines and every provides enough present to regulate the DC engine.

Exterior Interfaces

* Terminal block (3pin) –for connecting relay IN and OUT * Terminal block(7pin) – for linking 4 lines of engine, 1 for energy and 2 pins for ground

Linking the Board

* switch on the board SW1 that is using LED will glow. * Connect the slot connector to your standard port. * Shunt the jumpers in J4. * Use jumper caps to pick pins that are port. (suite…)