Arduino module UNO R3Arduino Uno R3 is a microcontroller based development board. Arduino UNO and other boards can read inputs light on a sensor, a finger on a button, or a Twitter message and turn it into an output activating a motor, turning on an LED, publishing something online by utilizing this R3 kit. You can tell your Arduino UNO r3 what to do by sending a set of instructions to the microcontroller on the board. To do so you use the Arduino programming language

SNR: 90dB

Wide voltage power supply (6 ~ 30V)

water pump

Work Frequency: 50-1 KHz

making it ideal for rapid development

Sensor networks

Install Instructions

short press the "STOP" button to switch between ON and OFF

USB power bank or a mobile phone charger to supply the 5V support power

Electronic experiments

Features Of Nodemcu V3:

Embeds logic level converter circuits