![ldr - Arduino analog pin doesn't read correctly without connecting to gnd and Vcc of arduino - Electrical Engineering Stack Exchange ldr - Arduino analog pin doesn't read correctly without connecting to gnd and Vcc of arduino - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/cL8ag.png)
ldr - Arduino analog pin doesn't read correctly without connecting to gnd and Vcc of arduino - Electrical Engineering Stack Exchange
Arduino — Introduction to Pins. The Arduino Uno is one of the most… | by Aditi Shah | Vicara Hardware University | Medium
![Add or increase Analog Pins for NodeMCU or Arduino using 16 channel analog multiplexer module - YouTube Add or increase Analog Pins for NodeMCU or Arduino using 16 channel analog multiplexer module - YouTube](https://i.ytimg.com/vi/We_kBjiUkXU/maxresdefault.jpg)
Add or increase Analog Pins for NodeMCU or Arduino using 16 channel analog multiplexer module - YouTube
![Increase Analog Pins for NodeMCU using 16-Channel Analog Multiplexer Module – A blog about DIY solar and arduino projects Increase Analog Pins for NodeMCU using 16-Channel Analog Multiplexer Module – A blog about DIY solar and arduino projects](https://i1.wp.com/solarduino.com/wp-content/uploads/2020/06/16-analog.png?resize=802%2C472&ssl=1)