Yet another ESP8266 goodie

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dlh
Posts: 395
Joined: 15 December 2006, 12:12 PM
Location: ~Cincinnati

Re: WIFIO DOA?

Post by dlh »

dkinzer wrote:I've attached some photos of a prototype of a carrier board for the ESP-12E and ESP-12Q with which I've been experimenting.
Where did you find a detailed footprint for these modules? And how do you tell which are E, F, Q, etc.? There do not seem to be any obvious identifying labels.
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dkinzer
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Posts: 3120
Joined: 03 September 2005, 13:53 PM
Location: Portland, OR

Re: WIFIO DOA?

Post by dkinzer »

dlh wrote:Where did you find a detailed footprint for these modules?
I couldn't find specifications and settled for measurements. The pins are on 2mm centers in rows 14mm apart. The half-holes on the end are on a line 2mm from the closest side pin and centered between the rows (thereby being on a 2mm grid).
dlh wrote:And how do you tell which are E, F, Q, etc.?.
I don't know if there are distinguishing markings. The fundamental difference is the size of the Flash chip. I don't have an F on hand so I can't tell you for certain that the pin layout matches the others but I would be surprised to discover otherwise.
- Don Kinzer
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dlh
Posts: 395
Joined: 15 December 2006, 12:12 PM
Location: ~Cincinnati

Re: WIFIO DOA?

Post by dlh »

dkinzer wrote:I couldn't find specifications and settled for measurements.
I found them with adapter boards on EBay.
http://www.ebay.com/itm/291610145979
And, bare adapter boards.
http://www.ebay.com/itm/262117051076

And, it looks like Espressif sent the ESP32 beta boards in a breadboard friendly format. Here's hoping the final version is equally easy to work with. Maybe they'll be at CES.
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