Fermion: MEMS NH3 Sensor

1. Getting Started

2. Example Code for Arduino-Read Sensor Raw Value

This tutorial provides a step-by-step guide on how to read raw sensor values using Arduino, including necessary hardware and software preparation, wiring instructions, and sample code for data acquisition.

Parameter	Specification
Gas detected	NH3
Detection range	1-300ppm
Operating voltage	3.3-5V
Operating current	<20mA
Output signal	Analog voltage
Load resistance（RL）	4.7KΩ
Sensitivity	R0(in air)/Rs(in 50ppm NH3) ≥ 3
Operating temperature	-10-50℃
Operating humidity	15-90%RH (non-condensing)
Lifespan	≥5 years (in air)
Dimension	13×13 x 2.5mm/0.0.51×0.51x0.1”

Num	Label	Description
1	A	Analog Voltage Output
2	VCC	+
3	GND	-

Fermion: MEMS NH3 Sensor

Specification

Pinout