![]() The schematic suggests that the VBus line connect directly to a 5V source on the board so I have no idea why I would be seeing 3.38V instead. The description for the Shield states that the Shield should be providing a full 5V to the VBus line. I suspected that my mice were not receiving the proper voltage so I directly probed my VBus line and the Vdd for the optical chip in the mouse and found out that they are only at 3.38V (which is logic level for the optical sensor as well as the power supply for the MAX3421e in the shield). However, I hook up a second mouse and I only get the button presses, no movement data. I can print out button presses for the left, right, and middle buttons as well as dx and dy for movement. I have successfully gotten one mouse up and running. I'm currently doing a project connecting various optical mice to an Arduino Uno through the SparkFun USB Host Shield. ![]() Please allow extra time for delivery to western states.First time posting so I apologize if I'm not using proper format. Additional delivery time may result for some deliveries. ![]() * Freight delivery times stated are for average volume items with total order weight under 5kg for metro areas in eastern states. Freight will be charged at checkout for these items. Same/Next day: 0 - 2 working days** Delivery Chargesįree delivery exclusions apply to some bulky and large items. Standard/Road Freight: 2 - 5 working days* Your order can be delivered to anywhere throughout mainland Australia by standard (road) freight delivery. ![]()
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