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I was working on a project and had been having a problem sending data to a uC from a laptop using the EZL-90 as the communicating device between the two. I had a wireless connection established, but every time I sent characters through Hyperterminal I received no response back from the uC. I know the code works as it has before, but I had made some changes to the parameters of the EZL-90 since that point in time and could not figure out the proper connection method. I noticed that there were firmware updates on the website for this product. I downloaded the avrw14e.bin file using the w21flash program. It said it successfully downloaded, but now I have not wireless connection at all. Presently, the only program that I can communicate with the module is the latest EZserialConfig_40g
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