3pcs 1 Channel 3.3V Low Level Trigger Relay Module Optocoupler Isolation Terminal Reviews

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3pcs 1 Channel 3.3V Low Level Trigger Relay Module Optocoupler Isolation Terminal

US$7.99

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5 out of 5

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ligiomakVIP1
IT
02/11/2020

I'm using it with nodeMCU and it works great. Simply, make sure to link it to the right pin. This relay is also small enough

I'm using it with nodeMCU and it works great. Simply, make sure to link it to the right pin. This relay is also small enough

I'm using it with nodeMCU and it works great. Simply, make sure to link it to the right pin. This relay is also small enough
1

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BG431645331VIP1
PE
24/09/2022

Good and fast

bueno y rapido

Good and fast
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