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A Closer Look at WIZnet WizFi360 Module Contributed by WIZnet
The WizFi360 is a low-cost Wi-Fi solution which not only is Azure Certified and supports AWS SDK Examples, but also the official Wi-Fi Shield on Arm Open-CMSIS-pack and Keil Studio Cloud; and furthermore, comes in a Raspberry Pi Pico compatible board form-factor. In this article, we will explain the main features of WizFi360 modules and evaluation boards. What Is the WizFi360?
WizFi360 enables microcontrollers to connect to 2.4-GHz Wi-Fi using IEEE 802.11b/g/n standards. The module has been designed to provide designers with a simple Wi-Fi solution. For easy migration from ESP8266, WizFi360 supports Espressiflike AT command list. The following attributes of WizFi360 were extracted from its datasheet [1]:
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Wi-Fi 2.4G, 802.11 b/g/n Station/SoftAP/SoftAP+Station operation modes UART/SPI interface “Data pass-through” and “AT command data transfer” mode Baudrate up to 2 Mbps with 16 common values Support firmware upgrade by UART Download/OTA (via WLAN)
WizFi360-PA
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Industrial grade (operating temperature range: -40°C ~ 85°C) CE, FCC, KC, K-MIC(TELEC), RoHS, REACH certification
WizFi360 comes in two options: with onboard pattern antenna or u.fl connector. WIZnet also provides internet-offload (io) modules with various form factors (Figure 1). WizFi360io-C is an interface board with SMW200-06 connector and 5 V support, WizFi360io-H is a pin-header type interface board with 2.00 mm pin header. WIZnet also provides various evaluation boards for easy project prototyping (Figure 2). Arduino-compatible WizFi360EVB-Shield can be used for experiments, tests and verifications of WizFi360. Lately WIZnet released the RP2040-based WizFi360-EVB-Pico — a Raspberry Pi Pico clone but with Wi-Fi connectivity.
WizFi360-CON
WizFi360io-C
Accelerate Internet of Things Solutions
WizFi360 is a small but powerful module that supports SSL using MbedTLS library. With its help, users can easily connect WizFi360 to cloud or MQTTS broker. In October 2019, WIZnet announced it had joined Microsoft Azure Certified for Internet of Things (IoT), ensuring customers get IoT solutions up and running quickly with hardware and software that has been pre-tested and verified to work with Microsoft Azure IoT services.
WizFi360 in Various Ecosystems
DIY enthusiasts and hobbyists can easily develop their application for WizFi360 using WizFi360 Arduino library currently maintained by our friends in Kocoafab [2]. Furthermore, as WIZnet implemented Espressif-like AT commands, users may even use WiFiEsp library, for more details and guide refer to [3].
WizFi360io-H Figure 1: WizFi360 comes in two options: with onboard pattern antenna or u.fl connector. Also, WIZnet provides internet-offload (io) modules with various form factors.
48 embedded world Special 2022 www.elektormagazine.com
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