WizFi (Wi-Fi Shield)WIZnetMuseum
In order to update the firmware, WizFi210’s mode should be "Program mode" by setting the pin 37 to High. Of course, set the pin 37 High for normal operation after updating, UART pin is used for firmware updating and TX(pin 40), RX(42) pins are connected to the PC through RS232 transceiver.
In recent years, Wi-Fi has experienced explosive growth in new applications such as telephony (smartphones) and audio/video distribution (Internet-connected DVRs). As the number of ‘hotspots’ and the coverage area grows, Wi-Fi is taking on aspects of a ‘utility’ that goes well beyond its humble cable replacement roots. It’s not hard to imagine that soon practically every phone and TV will have Wi-Fi built in as a standard feature.
Today all & sundry, devices included, have to be “connected”, 24/7, all year round. You may have a Facebook account, but what about your oscilloscope? Does your multimeter tweet enough? Is your soldering iron linked in? You may be a noncommunicative nerd but your bench power supply may be craving for social interaction. With the add-on board described in this article you can hook up anything to everything, with or without wires.