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1 Channel 3.3V Low Level Trigger Relay Module Optocoupler Isolation Terminal BESTEP for Arduino - products that work with official Arduino boards

4.3630

$2.99 / $3.65

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$1.50 / $3.65

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Description:

Normally open interface maximum load: AC 250V/10A, DC 30V/10A.

SMD optocoupler isolation, strong driving capability, stable performance; trigger current 5mA.

Fault-tolerant design, the relay will not move even if the control line is broken.

Power indicator (green), relay status indicator (red).

The interface is designed humanized, and all the interfaces can be directly connected by wiring terminals, which is very convenient.

Two module interface:

1. DC+: Connect the power supply positive pole (voltage 3.3V).

2. DC-: Connect the power negative pole.

3. IN: Low level (3.3V) control relay pull in.

Relay output terminal:

1. NO: Relay normal open, the relay suspends before pulling in, and then short-connect with the COM.

2. COM: Relay common interface

3. NC: Relay normal close, short connected with COM before pulling inand suspended after pulling in.

Package Included:

1 x 1 Channel 3.3V Relay Module

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1 Channel 3.3V Low Level Trigger Relay Module Optocoupler Isolation Terminal BESTEP for Arduino - products that work with official Arduino boards

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BG332555385 VIP1
IT
22/07/2024

prodotto perfetto come da descrizione spedizione gratuita velocissima

Perfect product as described, fast and free shipping

Perfect product as described, fast and free shipping
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Rinkoon VIP3
MA
13/06/2019

منتوج جيد جدا

منتوج جيد جدا

منتوج جيد جدا
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Q:
This doesn't come with any schematics. On the input side there are markings for VCC, In and GND but there's no indication as to whether a high level or low level turns the relay on. It's worse on the output side. There, there are just three cryptic markings which I am unable to decipher. The minimal written documentation on the site doesn't clarify things.

This doesn't come with any schematics. On the input side there are markings for VCC, In and GND but there's no indication as to whether a high level or low level turns the relay on. It's worse on the output side. There, there are just three cryptic markings which I am unable to decipher. The minimal written documentation on the site doesn't clarify things.
This doesn't come with any schematics. On the input side there are markings for VCC, In and GND but there's no indication as to whether a high level or low level turns the relay on. It's worse on the output side. There, there are just three cryptic markings which I am unable to decipher. The minimal written documentation on the site doesn't clarify things.

A:

It'sa changeover relay, so you could say both high and low turn the relay on, depending what "On" means to you. IN terms of energising the relay coil, in accordance with normal practice, the In line is active LOW. On the output side, the centre terminal is common and "BESTEP" side is normally open.

It'sa changeover relay, so you could say both high and low turn the relay on, depending what "On" means to you. IN terms of energising the relay coil, in accordance with normal practice, the In line is active LOW. On the output side, the centre terminal is common and "BESTEP" side is normally open.

Answered by mk_glover on 11/02/2020Helpful (0)
0

Q:
WHAT IS THE RANGE OF Vcc voltage

WHAT IS THE RANGE OF Vcc voltage
WHAT IS THE RANGE OF Vcc voltage

A:

my experience is that more than 5V is required on Vcc to make the relay pull in. Not very satisfactory in my opinion.

my experience is that more than 5V is required on Vcc to make the relay pull in. Not very satisfactory in my opinion.

Answered by BG424294474 on 27/09/2023Helpful (0)
0

Q:
What is the optocoupler chip? Is it 817C?

What is the optocoupler chip? Is it 817C?
What is the optocoupler chip? Is it 817C?

A:

Yes, it is indeed an 817C.

Yes, it is indeed an 817C.

Answered by mk_glover on 24/04/2020Helpful (0)
0

Q:
Hello, Does anyone know what is the minimum current necessary to activate the relay? Thanks in advance

Hello, Does anyone know what is the minimum current necessary to activate the relay? Thanks in advance
Hello, Does anyone know what is the minimum current necessary to activate the relay? Thanks in advance

A:

trigger current 5mA.

trigger current 5mA.

Answered by Latic Purdah on 19/06/2019Helpful (0)
0

Q:
Hey, will a Raspberry Pi (that has a 3.3V output) be able to control a 240VAC device with this?

Hey, will a Raspberry Pi (that has a 3.3V output) be able to control a 240VAC device with this?
Hey, will a Raspberry Pi (that has a 3.3V output) be able to control a 240VAC device with this?

A:

sorry,I didn't use it with Raspberry Pi, so not sure for that

sorry,I didn't use it with Raspberry Pi, so not sure for that

Answered by Waddleeeenn on 05/03/2019Helpful (0)