Mikroe RELAY 2 click Manuale utente

2 3

2. Soldering the headers

3. Plugging the board in

Once you have soldered the headers your

board is ready to be placed into the desired

mikroBUS™socket. Make sure to align the cut

in the lower-right part of the board with the

markings on the silkscreen at the mikroBUS™

socket. If all the pins are aligned

correctly, push the board all

the way into the socket.

Turn the board upward again. Make sure

to align the headers so that they are

perpendicular to the board, then solder the

pins carefully.

Turn the board upside down so that

the bottom side is facing you upwards.

Place shorter pins of the header into the

appropriate soldering pads.

Before using your click board™, make sure

to solder 1x8 male headers to both left and

right side of the board. Two 1x8 male headers

are included with the board in the package.

4. Essential features

Relay is an electrical switch used to terminate

or establish circuit using a low power signal

from a microcontroller. Relay provides

complete electrical isolation between the

microcontroller and controlled circuits. The

LCA717 have optically coupled outputs that

use the patented OptoMOS technology. Solid

state relays enable fast, silent and bounce-

free switching. On this click board™, each

relay has a corresponding onboard signal

LED to indicate whether it’s on or o.

Relay 2 click carries two LCA717 single-pole,

OptoMOS® solid state relays and two screw

terminals for connecting the wiring. These

relays have a load current of 2A, low maximum

on-resistance of just 0.15 Ohms, and a

blocking Voltage of 30V. They are controlled

by the microcontroller through RL1 and RL2

pins, which are in place of default mikroBUS™

AN and PWM pins. The board is designed to

use a 3.3V power supply only.

1. Introduction

RELAY 2 click manual

ver 1.00

0100000080283

click

BOARD™

www.mikroe.com

RELAY 2 click

RST

SCK

MOSI

MISO

+3.3V

GND

PWM

INT

SCL

SDA

+5V

GND

MIKROBUS

DEVICE CONN. GNDGND

CN1

CN2

GND

380

GND

380

LD1

10K

GND

LD2

3 4

Relay1

LCA717

3 4

Relay2

LCA717

VCC-3.3VCC-3.3

GND

LD3

2K2

8. Code examples

MikroElektronika oers free tech support

(www.mikroe.com/support) until the end of

the product’s lifetime, so if something goes

wrong, we’re ready and willing to help!

Once you have done all the necessary

preparations, it’s time to get your click board™

up and running. We have provided examples

for mikroC™, mikroBasic™ and mikroPascal™

compilers on our Libstock website. Just

download them and you are ready to start.

.com

6. Dimensions

MikroElektronika assumes no responsibility

or liability for any errors or inaccuracies

that may appear in the present document.

Specication and information contained in

the present schematic are subject to change

at any time without notice.

mm mils

LENGTH 42.9 1690

WIDTH 25.4 1000

HEIGHT* 12.2 480

5. Schematic

9. Support

* without headers

10. Disclaimer

If you require a relay which can handle higher

currents and voltages, see the original Relay

click: www.mikroe.com/click/relay

25.4 mm / 1000 mils

42.9 mm / 1690 mils

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