Dragino Technology Co., Limited www.dragino.com sales@dragino.com TEL:86610829 FAX: 86647123 Wireless IoT Module Manual Version: 1.1 PART No: HE-A2 Hardware Version: A2 Version 1.0 1.
Dragino Technology Co., Limited www.dragino.com sales@dragino.com TEL:86610829 FAX: 86647123 Index 1. Description ...................................................................................................................................................... 3 2. Specification .................................................................................................................................................... 3 3. Applications .......................................................
Dragino Technology Co., Limited www.dragino.com sales@dragino.com TEL:86610829 FAX: 86647123 1. Description HE is a high performance, low cost 150M, 2.4G WiFi module. It is compatible with 802.11b/g/n. provide Ethernet, USB, UART and GPIOs interface. HE use small outline package, it is used widely in WiFi solutions. HÉ means “core” in Chinese. Intend of HÉ module is to be used as the core of the IoT, WiFi solution. HE is based on Open Source OpenWrt system.
Dragino Technology Co., Limited www.dragino.com sales@dragino.com TEL:86610829 FAX: 86647123 4.
Dragino Technology Co., Limited www.dragino.com sales@dragino.
Dragino Technology Co., Limited www.dragino.com sales@dragino.com TEL:86610829 FAX: 86647123 5. Pin Definition 5.1 Pin Definition Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Signal GND 2.0V_Out GPIO24 GND P0_TXP0_TX+ GND P0_RXP0_RX+ GND P4_TXP4_TX+ GND P4_RXP4_RX+ GPIO21 GPIO22 GPIO18 GPIO19 Direction Output In/Out Out Output Input Input Out Output Input Input In/Out In/Out In/Out In/Out HE WiFi IoT Module Datasheet Function Ground 2.
Dragino Technology Co., Limited www.dragino.com sales@dragino.com TEL:86610829 FAX: 86647123 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 GPIO20 GPIO23 GND VDD33_IN VDD33_IN GND GND GPIO28 LED6_P4 LED1_USB LED0_WLAN LED2_P0 GND UART_RX UART_TX GND 2.
Dragino Technology Co., Limited www.dragino.com sales@dragino.com TEL:86610829 FAX: 86647123 6. Software Source Software of HE module base on OpenWrt Linux, OpenWrt trunk source code can be used for HE. We also provide two of customized software as a quick start. Mesh IoT Firmware: This firmware has enhanced network support such as WiFi Mesh, 3G. It also supports the basic Arduino Bridge features and remote upgrade.
Dragino Technology Co., Limited www.dragino.com sales@dragino.com TEL:86610829 FAX: 86647123 8. FCC Statement FCC standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
