3/31/2024 0 Comments Arduino usb host shield schematic![]() ![]() The sketch allows sending of any command via the Serial monitor for doing testing. Update: I changed the sketch and schematic / pic to include the RTS / CTS flow control. Keep reading for the schema, pic and sketch. I am posting an early version of the sketch just so i can get a good example and a picture / schematic out so expect updates later. After switching to the NewSoftSerial library everything started working and I had no trouble doing a DIR and creating a new file on the flash drive. The first attempt was to use the AFSoftLibrary and it just did not work properly causing some strange looping of the Setup() method. I chose the NewSoftSerial library to give access to the VDIP1. To get around this limitation there are a number of libraries that allow serial communication over non-serial pins. Because the Arduino only has one TX / RX serial pin if you connect it using them you cannot communicate with the computer over the built in USB UART on the Arduino. ![]() I got my VDIP1 USB Host controller from Saelig today and was able to get it hooked up and reading a Flash drive in a couple hours. ![]()
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