Aptinex IOT RelayNODE RN4CE8 ESP8266 WIFI 4 Channel Relay Module MQTT
Price is below average
Current Price
$19
Average
$20.33
Min Price
$19
Max Price
$22
Price dynamics
7%
Price will be lower
in next 2 weeks
in next 2 weeks
According to the data, price will be lower in next two weeks, so not waste your money and track better price!
Product review & video
4 Channel Relay Module with ESP8266 controlled from "Node-RED" For a long time I wanted to try these modules especially the 4-channel module Relay I will try this version available at ICSTATION.com The interesting 4 outputs to Relay and an ESP8266 only have 2 I / O available, now we will see thoroughly Weeks later, Here is the module ideal power supply 12VDC the module ESP8266 -01 pins for programming in case of updating the original firmware We will feed at 12VDC, and it has good power isolation (Relay) we see an additional integrated, it is a N76E003AT20 microcontroller from Nuvuton Direct He is in charge of the control of the LEDs, pushbuttons and the activation of the outputs to Relay S1 button, for operating mode configuration S2 button, to restore factory settings In this case we will test, The ESP8266 in AP mode "ACCESS POINT" and from my PC I will connect and send the TCP / IP f
