January 3, 2010
about 3 years ago
Yes. This I2C Master Librarywas written because of this very problem while trying to interface to an MMA8451Q.
Just a note to Arduino users, Freescale’s MMA845x series accelerometers won’t work with the Wire library because these devices require the use of a repeated start.
about 4 years ago
You might want to consider updating the eagle part specs in your library. The datasheet shows a no pattern area under the connector, however the eagle part does not use a tRestrict region. I just noticed this when I did a polygon fill and it filled in the area underneath the connector.
about 5 years ago
Just bit of info about using the T-Mobile prepaid SIM cards (that’s what I bought also), if you’re going to do any testing with receiving/reading SMS messages you can call the T-Mobile voicemail number(from a regular phone) punch in the cellphone number and use the option to send a numeric page to the phone and the page comes across the phone as an SMS message but it does not deduct from the minutes on the plan……
Does anyone know if you have to have an antenna hooked up to the module to receive a signal? I forgot to purchase an antenna when I ordered the module and I didn’t want to damage the unit by powering it up without an antenna if one is needed. Thanks.
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