Esp01 8266 ONLY WORKS PLUGGED INTO PROGRAMMER

Thread Starter

SuperStuntman766

Joined Jul 30, 2020
3
Hi there, what do I need to do to get this thing online with a 3.3 volt stand alone power supply? Works perfectly plugged into programmer but doesn’t connect on stand alone power. I have tried VCC and CH pins to power and soft resets to ground.
 

KeithWalker

Joined Jul 10, 2017
3,603
You have given us very little information to work with! When you say "it works", what is it programmed to do? Are there any other devices connected to it? What is your 3.3V source? Have you made any voltage measurements? Is the ESP8266 chip mounted on a development board? If so, which one?
 

Thread Starter

SuperStuntman766

Joined Jul 30, 2020
3
I gave very sufficient information on what is happening and components involved. If you want to contribute please be educated and maybe offer solutions instead of false observations about my post.
For everyone else I ended up putting 3.3k pull up resistors on ch_pd , rst, gpi0 and gpi 02 and everything is working great. Chime in if you know a better way.
 

Reloadron

Joined Jan 15, 2015
7,855
I have no clue what ESP8266 module you are using, could be one like this or one like this? No clue what IDE you are using and no clue what your code looks like? However,, if you have things now working apparently using a pull-up resistor solved your problem. I have used both that I linked to and prefer the second link. Anyway, if it works as you now have it configured, it works. Neither of the links I provided needed an external pull-up.


Ron
 

KeithWalker

Joined Jul 10, 2017
3,603
I gave very sufficient information on what is happening and components involved. If you want to contribute please be educated and maybe offer solutions instead of false observations about my post.
For everyone else I ended up putting 3.3k pull up resistors on ch_pd , rst, gpi0 and gpi 02 and everything is working great. Chime in if you know a better way.
I am glad you got it working on your own, because without more information I don't think anyone here would even try to guess at a solution.
Note: you asked me to be educated - I earned my Electronic and Light Electrical Engineering degrees at Oxford, England.
You stated that I made false observations about your post - I made no observations because you didn't include enough information to base any observations on.
Have a nice day. :)
 

geekoftheweek

Joined Oct 6, 2013
1,429
Same information here http://cholla.mmto.org/esp8266/esp12/ as well as many other places on the internet. Always search out basic connections for your new devices.

I am glad you got it working on your own, because without more information I don't think anyone here would even try to guess at a solution.
Note: you asked me to be educated - I earned my Electronic and Light Electrical Engineering degrees at Oxford, England.
You stated that I made false observations about your post - I made no observations because you didn't include enough information to base any observations on.
Have a nice day. :)
I'll agree to some extent, but to those of us who have worked with the devices running when connected to the programmer and not running when disconnected is an obvious sign of a connection issue. All ESP modules in bare form have specific pull ups and downs that have to be connected to enter programming modes and run modes. I missed the thread until now unfortunately...
 
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