DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with
HW-307A 5V
$3.20
Sale price
$3.20
Regular price
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DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with
$3.20
Sale price
$3.20
Regular price
Module size:
1: 50*25 * 18.5MM
2-way: 50*41 * 17.5MM
4-way: 75*51 * 16.5MM
8-way: 142*52 * 18MM
Module interface:
1. DC +: connect to the positive pole of the power supply (the voltage is in accordance with the requirements of the relay)
2. DC-: connect to the negative pole of the power supply
3. IN: high or low Levcon level control relay snap
Relay output:
1. NO: the relay is normally open. The relay is suspended before being sucked and shorted with COM after being sucked
2. COM: relay common interface
3. NC: Relay normally closed interface, relay shorted with COM before snap-in, suspended after snap-in
high and Low Level trigger selection terminal:
1. When wire jumper and LOW are shorted, it is triggered at LOW level;
2. When the wire jumper and high are shorted, it is triggered at a high level.
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