Thursday 11 July 2019

Control With Authentication For Up To Four Devices

Circuit diagram of device control with authenticationThis circuit can be used to control up to four electrical devices through a cellphone or computer. The main advantage is that you can login from anywhere to control the device(s). If you try to login using invalid credentials 10 times, the system gets locked for the next three minutes. Both NodeMCU v0.9 and NodeMCU […]

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