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install the Gemma driver to your PC ...

Installing the Windows driver for Gemma

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You should already have downloaded and unzipped the driver.

a. Connect the Gemma to the Windows PC. The simplest part of the whole process. Use the USB cable supplied. It is obvious where it fits on the Gemma.

b. Follow the Windows Process. Depending upon the version of Windows you have, the mood your computer is in, and your luck, there are many possible things that may now happen.

In principle your computer will identify that you have connected something new ('a new device'), will recognise that it does not immediately know what it is ('an unrecognised USB device' or a 'Trinket') and will ask you to supply a suitable driver. You will then browse to where you stored the unzipped driver files, and Windows will gratefully install the software and tell you that all is now well.

Even with a smooth install it is not uncommon to have to plug and unplug the USB cable, or to try several USB ports, before Windows lists the device under Control Panel, Device Manager.

If all goes well then you can look in Control Panel, Device Manager to find Gemma (called a 'Trinket' or a LibUSB-Win32 Device/USBtinyISP AVR Programmer). Clicking on it will reveal the driver details. The perfect thing to see is "Device working perfectly" on the General tab, and Driver Provider Adafruit Industries on the Driver tab.

If you encounter problems here are our accounts of several successful installations of installing Gemma using Windows drivers, complete with notes on what gave us problems.

If our ideas do not work then go to this Adafruit page for more on Windows Gemma driver problems and solutions .

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