Datasheet PM2105L (Cubic) - 6

Dimensions and Connector 1. Dimensions (Unit mm, tolerance ±0.2 mm) 2. I/O Connector Pinout No. Pin Description
1 NC NC 2 5V Power input (+5V) 3 SCL I²C clock (3.3V/5V) 4 SDA I²C data (3.3V/5V) 5 NC Vacant (Do not connect) 6 TXD UART-TX output (0-3.3V) 7 RXD UART-RX input (0-3.3V) 8 GND Power input (ground terminal) The interface connector is located at the side of the sensor. Corresponding female plug part number is SM08B- GHS-TB from JST. The pitch is 1.25mm. The connection cable with female connector at both ends can also be customized. www.en.gassensor.com.cn 5/19 Document Outline Description Features Working Principle Specifications Dimensions and Connector 1.Dimensions (Unit mm, tolerance ±0.2 mm) Typical Application Circuit Case 1.UART3.3V Application Product Installation User Attention UART Communication Protocol 1. General Statement 2.Format of Serial Communication Protocol 3.Command Table of Serial Protocol Note: Example: 4.3 Set up and Read Particle Calibrated Coefficien Note: Description: 4.4 Close/Open Laser Diode Note: Note: Example: Note: Example: I²C Communication Protocol 1. Brief Introduction 2. Communication Common Description 3. Protocol Detailed Description 3.1Send Command Data 3.2Read Command Data Packing Information