ESPecially Easy AVR Programming

Description

Using the ESP-Link Project (https://github.com/jeelabs/esp-link) as the software, I tried to see if I could squeeze an ESP8266-based AVR programmer into a square inch for the #The Square Inch Project! With a standard 6 pin ISP header, it's ready to interface to all your existing projects, and the onboard 3.3V / >3.7V selector switch means you can power the ESP8266 using your project's power.

After a successful routing, the boards have been sent off to OSH Park and will hopefully be back in time for the deadline... fingers crossed!

Components

1 × ESP8266 -12 Module

1 × LM1117 Power Management ICs / Linear Voltage Regulators and LDOs

1 × RGB Led Status Indicator

1 × FTDI Serial Header For ESP8266 programming

1 × AVR ISP Header For AVR Programming

Discussions

alpha_ninja wrote 12/07/2015 at 01:20

Just a friendly reminder to please upload your design documents by 23:59 UTC on Dec 8, 2015 to be in the running for #The Square Inch Project!

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alpha_ninja wrote 12/02/2015 at 00:44

This is your one-week reminder to upload design documents: https://hackaday.io/project/7813-the-square-inch-project/log/28566-design-deadline

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Stefan Lochbrunner wrote 10/25/2015 at 12:22

This sounds pretty cool but I don't quite understand how the ISP protocol is implemented since the ESP-Link project only mentions programming AVRs with a serial bootloader.

Btw: In the schematics it looks like GPIO14/SCK is connected to Reset/GPIO16 which isn't the case, is it?

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[deleted]

[this comment has been deleted]

Stefan Lochbrunner wrote 10/25/2015 at 17:21

Thanks for the reply, writing your own module clarifies things a lot. From the description it sounded like it should work right out of the box with ESP-Link. It'd be great if you could make your firmware work with ESP-01 modules as well, using RX & TX as GPIO.

I should have guessed it was one of those late night schematics ;)

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jareklupinski wrote 10/26/2015 at 13:44

Hmmmmmm, it could work with the ESP01s, they do have the right number of pins :) I'll port it over when I get this contest 'squared' away :P

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Stefan Lochbrunner wrote 10/26/2015 at 20:07

Sounds great, I'm looking forward to it :)

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Stefan Lochbrunner wrote 10/31/2015 at 15:39

I think this might be helpful to people wanting to use this programmer (or ESP-Link in general) with software other than Avrdude: https://hackaday.io/page/1304-virtual-serial-port-tunnel-to-use-with-esp-link

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ESPecially Easy AVR Programming

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