And the Arduino UNO’s current consumption lies between 45mA to 85mA. The current consumption may be anywhere between 15uA to 400mA. The current consumption of the NodeMCU will be between 15uA to 400mA. But it is always recommended to keep the input voltage between 7V to 12V to be on a safer side.Īlso Read - How to use Buzzer with Arduino Current consumption:
The Arduino UNO will also work with the input voltage between 6V to 20V. The voltage between 7V to 12V has to be applied to the power jack of the Arduino UNO. The input voltage of the Arduino UNO is between 7V to 12V. But always it is highly recommended to keep the input voltage between 4.5V to 10V. The NodeMCU will also work with a maximum voltage of 12V. The NodeMCU can be powered using voltages between 4.5V to 10V. The Input voltage is the same for both the microcontroller boards. The operating voltage of NodeMCU is 3.3v and the operating voltage of Arduino UNO is 5V. As per the data given in the above table. Now let's compare each feature of these 2 microcontrollers in brief.
Besides the chip, it contains other elements such as crystal oscillator, voltage regulator, etc. Whereas Arduino UNO uses an ATMega328P microcontroller. NodeMCU is a microcontroller development board with wifi capability. In this article we will be comparing the 2 microcontrollers. In the table below, we have given some common features of Arduino UNO and NodeMCU. We will discuss which is the best microcontroller in different applications. In this blog, we will be doing a comparison between Arduino and NodeMCU.
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