Arduino-Compatible Nano V3 - CH340 USB, ATmega328P Pre-Soldered mq-135 Force and weight sensors are

Force and weight sensors are commonly paired with an amplifier or conditioning board before they connect to a microcontroller

The main PCB control board is not waterproof and must be kept dry and protected from direct water exposure

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Humidity Sensor Module - HR202 x1: Humidity Sensor Module - HR202 x1

Arduino-Compatible Nano V3 - CH340 USB, ATmega328P Pre-Soldered mq-135 Force and weight sensors areArduino boards have different kinds that fit different applications. One variety of these boards is the Nano. This board is compact and used for small scale projects, but it also has the capabilities of an Arduino Uno. The primary differences between them are the size and the type of USB cable used for uploading programs. This board has an integrated CH340 chip, which is also used in ESP boards and clones of the Arduino Uno and Mega. It has 22 I O