Summary of Contents for USR IOT USR-K2
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Page 1: Usr-K2 Hardware Manual
USR-K2 Hardware Manual USR-K2 Hardware Manual File version: 1.3.01 Jinan USR IOT Technology Limited 1 / 9 h.usriot.com... -
Page 2: Table Of Contents
USR-K2 Hardware Manual Content USR-K2 Hardware Manual ............................1 1. Product Overview ..............................3 1.1. Dimension ................................ 3 1.2. Pin Definition ..............................4 1.3. Ethernet interface LED ..........................5 2. Hardware Design ............................... 6 2.1. Typical Connection ............................6 2.2. -
Page 3: Product Overview
USR-K2 Hardware Manual 1. Product Overview 1.1. Dimension Module size: 33.03*19.01*19.15 mm, error ±0.2mm, pin size as follow: Figure 1 Dimension diagram Jinan USR IOT Technology Limited 3 / 9 h.usriot.com... -
Page 4: Pin Definition
10K Ohm pull-up resistor. Serial port transmitting pin(3.3V, TTL level) which needs to connect to external 10K Ohm pull-up resistor. Power ground 3.3V VCC LED_LINK+ Ethernet interface LED_LINK+ pin Jinan USR IOT Technology Limited 4 / 9 h.usriot.com... -
Page 5: Ethernet Interface Led
Green Indicating connection status Green LED will light after module connecting to network Yellow Indicating data transmission Yellow LED will blink when module has data transmission Figure 3 Ethernet interface LED Jinan USR IOT Technology Limited 5 / 9 h.usriot.com... -
Page 6: Hardware Design
4.RST: Resetting module and taking effect in low level. RST pin has connected to internal 10K Ohm pull-up resistor to 3.3V. When USR-K2 works in TCP Client mode, module will connect to TCP Server. After enabling Reset function, module will reset if TCP connection can’t be established after trying 30 times. -
Page 7: Uart Interface
When communicating to MCU with 3.3V, just connecting TXD of module to RXD of MCU and RXD of module to TXD of MCU. When communicating to MCU with 5V, switching circuit is necessary. Switching circuit diagram as follow: Jinan USR IOT Technology Limited 7 / 9 h.usriot.com... - Page 8 USR-K2 Hardware Manual Figure 7 Switching circuit Jinan USR IOT Technology Limited 8 / 9 h.usriot.com...
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Page 9: Contact
4. Disclaimer This document provide the information of USR-K2 products, it hasn’t been granted any intellectual property license by forbidding speak or other ways either explicitly or implicitly. Except the duty declared in sales terms and conditions, we don’t take any other responsibilities. We don’t warrant the products sales and use explicitly or implicitly, including particular purpose merchant-ability and marketability, the tort liability of any other patent right, copyright, intellectual property right.
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