ESP202/ESP8266 device don't responce
oh3gdo
Posts: 5
Hey, here seems to be quite much ESP8266 discussions.
I bought from dx.com one ESP202 device to try. It is similar than ESP8266.
I put LD33 3.3V power and I used my TTL/RS232 -converter to conncet it to PC terminal.
I conncet some resistors etc.
[img]D:\sch\2016\ESP202/ESP202.jpg[/img]
The power supply took 2-3mA current. ( It should take 250mA).
I tried AT<CR><LF> with 115200 baud and also 9600 baud plus any other baud.
No responce.
Then I changed TX and RX bits. Now the small led blinks according my baudrate.
It did so with any baud.
I suspect that there is a led at TX-bit. It was however wrong way.
Well it seems that this device is broken, but I have never seen broken new electronic device.
There seems to be quite few ESP202 discussion in the Internet.
In dx.com there is none.
Chip can you help?
Regards
Pekka
I bought from dx.com one ESP202 device to try. It is similar than ESP8266.
I put LD33 3.3V power and I used my TTL/RS232 -converter to conncet it to PC terminal.
I conncet some resistors etc.
[img]D:\sch\2016\ESP202/ESP202.jpg[/img]
The power supply took 2-3mA current. ( It should take 250mA).
I tried AT<CR><LF> with 115200 baud and also 9600 baud plus any other baud.
No responce.
Then I changed TX and RX bits. Now the small led blinks according my baudrate.
It did so with any baud.
I suspect that there is a led at TX-bit. It was however wrong way.
Well it seems that this device is broken, but I have never seen broken new electronic device.
There seems to be quite few ESP202 discussion in the Internet.
In dx.com there is none.
Chip can you help?
Regards
Pekka
Comments
It seems that my image do not show
It is here :
http://remotesmart.wikidot.com/esp202
Pekka
Welcome to the forums.
I'm not sure we can help you with this product, but you should check back here in a few weeks as you might find a Parallax version of the ESP8266 with full documentation and support
I will wait
Pekka
A Parallax version of the ESP8266 sounds like a really good idea.
Please tell us more!
Is this the hookup you are using :
http://smart-prototyping.com/ESP8266-based-WiFi-module-ESP-202.html
Although some users have had success with directly pulling up pins (GPIO0 and GPIO2) with 3.3V I've found that it's better to do it via 2K2 resistors. I was having problems flashing the units until I did this.
Thanks,
Walter
These are amazing devices. I've been playing around with a couple for a project but have been extremely frustrated with the support -- or non support -- of these devices.
The only flashing that I've been able to successfully do is with the BASIC interpreter at http://www.ESP8266Basic.com. Although the functionality is bare bones it seems to be enough for my project.
So register my vote for a Parallax version with the usual excellent support.
Walter
Thanks for advice !
I will try this.
I was sure that sombody can help me.
Pekka
http://forums.parallax.com/discussion/157430/low-cost-wifi-module-esp8266/p6
Using Dr Acula and others posts from the discussion I was able to get the ESP8266 module working reasonably well.
And I'm seconding the motion. But the current issue of Make magazine contains a write up of what they feel are all of the best boards there. No Props however.
It does include a good starter for the ESP8266. And mentions that you can go here for how to properly flash the thing.
I got my ESP202 working.
I put information to here http://remotesmart.wikidot.com/esp202
It works with my UDP program from other computer.
There seems to be quite few real information about the popular item.
Maybe I will made remote outside temperature meter.
My bluetooth remote temperature device works, but it has quite small range.
I need temperature from my garage.
Well I have it allready, but not logging one.
Here is data from my Bluetooth device:
http://remotesmart.wdfiles.com/local--files/tammikuun-pakkaset/January2016.jpg
Pekka