Chapter 7. Commercial FAQ
7.12 Do your products have rmware? Can I customize my module/chip
ash before the product leaves the factory? How much does this pro-
cess cost? How long does it take? How can you help me do this?
Espressif Systems has developed a set of AT commands that can be used for Espressif products to
easily interface with other products. Most of our modules have a standard AT rmware by default.
For more information, please go to our Sales Questions and ll in the required details. Our business
support team will contact you as soon as possible. Additionally, in order to simplify and shorten our
customers’manufacturing process, we also provide customized manufacturing services. You can go to
our Manufacturing Services and check all the available ash projects. For more information, please go
to our Sales Questions and ll in the required details. Then, our business support team will get in touch
with you as soon as possible.
7.13 Which of your products support HomeKit? Where can I get the
Espressif HomeKit SDK?
You can refer to the Espressif HomeKit SDK . Please note that the Espressif HomeKit SDK is available
to MFi licensees only, and you need to provide your Account Number (6 digits) for verication purposes,
when requesting the SDK .
7.14 What is your company’s address?
Espressif Systems (688018.SH) is a public multinational, fabless semiconductor company established in
2008, with oces in China, the Czech Republic, India, Singapore and Brazil. Please click here to check
the details of Espressif’s global oces.
7.15 How can I contact your technical team?
Please click here and tell us your problems or questions. We will try to help you as soon as possible.
7.16 How can I get in touch with your company?
In order to better understand your questions and needs, please click here and ll in the required infor-
mation. Then, we will get in touch with you as soon as possible.
7.17 How can I tell if an Espressif module is in mass production or an NPI
product?
On each Espressif module, you can nd a specication identier (4 digits to 9 digits) in the lower left
corner of the module marking. All Espressif mass production modules have a specication identier
starting with XX or Mn (n can be 0, 1, 2, …. for example, M0). The rest of them are NPI products.
Find more information about Espressif Module Packing Information here.
Espressif Systems 173
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