8 relay control board using NodeMCU for IoT applicationsDesigned by Sumukh's DIY electronics in India
Why to use relay boards The board can be used or IoT applications which involve switching devices as primary application. The relay board has the wifi on board so it will minimize the number of wir...Read More…
Why to use relay boards The board can be used or IoT applications which involve switching devices as primary application. The relay board has the wifi on board so it will minimize the number of wires in your IoT project. Total 8 GPIOs are used for controlling 8 relays. The unused pins are soldered to headers and kept open for other applications and connecting different sensors. The basic pin diagram of NodeMCU can be found below under the documentation link.
NodeMCU can be programmed using Arduino as well. Use this relay board and make your IoT simpler and compact like never before
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