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FAQ about increase analog pins for nodemcu using 16 channel analog?
How many analog pins does the NodeMCU ESP8266 have?
It has multiple digital and PWM pins. You can interface SPI, Serial, I2C, and One-wire supported devices just like the Arduino boards. If you compare the NodeMCU ESP8266 with the ESP32 WiFi + Bluetooth Module and Arduino boards you will find that the NodeMCU ESP8266 WiFi module has got only one Analog Pin A0. ...
What is a NodeMCU microchip?
It is a microchip that requires 2 to 4 Digital Pins and 1 Analog Pin to convert up to 16 Analog Pins. It may sound complicated at first, but once we know how it works, it will be easy for application. The NodeMCU micro-controller is similar to Arduino micro-controller board. ...
How to select which analog channel to open using NodeMCU?
To determine which Analog channel to be opened, Micro controller such as NodeMCU needs to send Binary command (a combination of ON/OFF or High/Low) over the Digital Pins to the module so that it allows the selection of the channel to be activated at the specific time. ...
How can I increase the number of analog pins in Arduino?
You can use the ADS1015 or ADS1115 analog to digital converter to increase the number of Analog pins. You can use Arduino with Nodemcu ESP8266 to increase the number of Analog pins, which I will not recommend. ...
