maybe a bit worm
but running stable, not hot at all
after that it was only making heat xD
also the adc seem to have a reference voltage inside
the arduino one that's inside depends on vcc
this one does not
yes, the mega has 2 ref voltages
but they fluctuate with vcc
i think...
what is there by default?
whatever is usualy used fluctuates with vcc
so analog reads on analog sensors are constant
i'll thrown in a ldo
as long as you have precise resistor and not 10% ones
think 250mAh will be enough ?
it requires higher voltage to give 3.3
more like 4.4-4.5 V
the least
i use up/down switching for such things
but i doubt you need one at all
The minimum VIN must meet two conditions: VIN 2.3V and VIN VR + 3.0% VDROPOUT.
hmm, didn't print as i wanted, but it's vin >= 2.3v and vin >= (Vr + 3%) +Vdropout
3.5 is a safe spot for lipo
flash at 80?
there was one more reason
uninitialized interrupt handler pointer being called before I thought it would.
that was the other reason for that same error
function mesure 4.05V when it's showing 4.2 on my multimeter, but it's not meant to go that high so i suppose it's normal
@Makuna thanks @igrr thanks, i did see wire.pins in the library before, but i think it was marked as deprecated " void pins(int sda, int scl) attribute((deprecated)); // use begin(sda, scl) in new code
"
"
maybe it s worth keeping for cases like this
I'm getting frequently wdt resets with reset cause 4 running for example the westerner example code without any change. After a few requests from the browser it stops responding for a while and the wdt triggers, with reset cause 4. Any idea for the cause? I've already guarantee a good power supply with capacitors never vcc and gnd of the esp-01 connector
I failed googling "westerner example code", can you share a link?
right :) works fine on an esp12 here, but I'll check if there's any problem with esp01
can you do Serial.setDebugOutput(true); in your setup method after Serial.begin?
and then we should see if there's anything strange happening
Ok, thanks, I'll do it later today, I don't have the boards with me at the moment. My main concern is that I'm checking it's stability and have always problems like that (for example exception 28 running sming examples). I've already made a change in the power supply, now I'm using a 5v 1a adapter with a 3.3v 1A regulator, and capacitors near the esp-01 pins, with very short connections, but it is still not stable. Could be a problem with the esp-01 modules? I have also some esp-12 in my desk, I could try them to see if the behavior is simila, just have to build some adapter. I've already ordered some modules from olimex including the development board to be sure that there is no hardware issue
exception 28 in my experience was always related to power supply issues or lack of strapping resistors on gpio0 and gpio2. when I switched from esp01 to esp12 mounted on a yellow carrier board (the one sold with battery compartment attached), I no longer have any of those issues...
seeing that your power supply is okay you may want to make sure all the resistors are in place (GPIO 0 and 2, chpd, rest)
perhaps replacing the module is also an option.
@igrr , thanks for your help! What do you recommend for the pin connections, having them with a pull-up resistor to Vcc and use a jumper to connect them to ground when necessary? What resistor value are you using? Currently I have the reset pin "floating", could this be an issue? I was convinced it had some internal resistor, read it somewhere.
i use 10K and 4.7K
seen 3.3 used as well
olimex uses 12K on their pullups
soanything above 3Kohm will be fine
others can be around 10k
I've the CHPD pin directly connected to Vcc, do you think that is a problem? Olimex is using 12k as pull-ups for RST and CHPD, but 2K pull-up for GPIO14/SCL. And uses 2k resistors for GPIO0/GPIO2 jumpers. I could use this as a reference to see if it improves the ESP-01 stability: I'll try to put 12k for RST and CHPD and 2k for GPIO0 and GPIO2, do you agree?
Sorry, you have refered 2k for CHPD, so I'll also use 2K for CHPD, so only 12k for RST, all other with 2k?
as long as they are above 1K they will draw small enough current
lower value pullups require more time, energy to be pulled in the other direction (if not done by a switch)
i've ordered an oscilloscope and will look at those thigs exactly, as some I2C slaves have issues when lots of other things are going on in the chip
Yes, specially for I2C, it will be a tradeoff between speed and power. For now I just wanted a 'safe' (specially 'stable') hardware setup for testing the ESP-01 boards I have, until now I wasn't able to use them in a reliable way, even using the supplied examples from the Arduino porting (or the Sming examples, I get the same non stable behavior with Sming also). I am considering them for a product, but have to be sure of its stability and then to choose the more adequate framework to use (Arduino, Sming, Espresiff SDK...)
you think these : http://www.aliexpress.com/item/10pcs-lot-Winbond-SPI-Flash-Memory-W25Q32BVSSIG-W25Q32-W25Q32B-25q32-SOP-8-Free-shipping/32259577223.html would be good ?
any W25Q above 256K will do
yes have W25Q32 on my board :) they are little big bigger then the orginal one.
i run an 8MB chip
had to bend the legs a bit on the 201 board
no point to have above 4MB though
seems the bootloader can not address the flash above that
only 1 and 8
and I plan second partition there maybe
could be used for anything
store sketches for esp or arduino
or whatever
as said, only chip erase works there and it's a hardware command
the bootloader can't address that space
there are settings for larger flash to be set by the compiler
but espressif does not care
btw, adc is pretty accurate :)
still running and after some observations and calculations, what i see is what my meter shows as well
@Links2004 there is something that could be done but it needs understanding first
a small program can be uploaded in the memory and run from there
we can control the UART through the registers
we need to learn how to talk properly to the flash (I'm on it)
then that could maye used to reflash from uart or spiffs stored image
yeah, generally should be fine
some SPI and some support lib for the flash commands themselves
yes, exactly
but that's like nothing compared to what we are talking about
so i'm not quite sure how to get it all done
but know @igrr will help
anyone can
:D
so the ram load shut work until the ram is full.
32K there
for the program I think
should be plenty for uart to flash
no clue of the spiffs footprint yet
spiffs is actually not that hard to read
i can prolly hack a function to just read a file
eh, world is kinda small. I thought i knew that name ficeto. I had darky rom on my SGS
that is still kinda running
i'm the crazy dude that flashed the GT-I9000 bootloader on my T959D
So i could flash international rom on my telus phone xD
i'm not actively developping,but there are still folks that do, and i'm still hosting the forum and OTA and whatnot
hahahahah
no rom
devil
xD
when the SGS3 came out.. selinux came
so lots of gymnastics to get root going...
later they put some crp in the bootloader that screwed the phone if hacked
well, before my N5, i had the Galaxy S II (Telus version), galaxy nexus, Optimus G (That i kinda transformed into a nexus 5), nexus 5 (Mic broken), Xperia Z II, Nexus 5
flash counter reset device*
i still have my SGS around
I had lots of phones... worked on many
gave them to friends
can not sell a phone
i keep reading about voip support in those
saw some Sip functions in the rom
any info on those?
i tried to make root happen, but bootloader didn't like
that broke my TA partition
and it won't boot anymore
i got so fed up with it that I no longer write any root apps for android
try not to write at all for it.. :D
i hate java
only app i made is my apps to read data from the sensors i am making with the esp8266
gazillion screen sizes and capabilities
you can never know on what phone and OS your app will endup on
send a shot better
phone is not hooked
flashing a new rom, i'll send a shot when it's done
have not heard that in a while
i'm helping a friend trying to find why play services are crashing
might be more worthy than the app
same data, different format :P
just change for today's date
works fine out of the box
still running on the lipo.. 3.64V
found something esp8089 looks simulare to the esp8266 and has the sip stuff some code: https://github.com/george-hopkins/esp8089-spi/blob/master/ http://espressif.com/en/products/esp8089/
i do not sleep :D
mine is online 100%
mine does : wake up, take temperature and humidity, send data, get time, sleep until next XX:X5 or XX:X0 (i.e. : 15h20)
PROVIDE ( sip_alloc_to_host_evt = 0x40005180 );
PROVIDE ( sip_get_ptr = 0x400058a8 );
PROVIDE ( sip_get_state = 0x40005668 );
PROVIDE ( sip_init_attach = 0x4000567c );
PROVIDE ( sip_install_rx_ctrl_cb = 0x4000544c );
PROVIDE ( sip_install_rx_data_cb = 0x4000545c );
PROVIDE ( sip_post = 0x400050fc );
PROVIDE ( sip_post_init = 0x400056c4 );
PROVIDE ( sip_reclaim_from_host_cmd = 0x4000534c );
PROVIDE ( sip_reclaim_tx_data_pkt = 0x400052c0 );
PROVIDE ( sip_send = 0x40005808 );
PROVIDE ( sip_to_host_chain_append = 0x40005864 );
PROVIDE ( sip_to_host_evt_send_done = 0x40005234 );
hmm, so if this thing has sip, we could make wifi chip to spy on people :D
you can make really small device with that MCU
this is not that SIP (VoIP one), it's a shorthand for serial interface protocol
probably still possible to hook a microphone on these thing and stream everything xD
i imagine SIP is not that hard to implement... it's UDP and taxt based controll
esp8089 is used in a slave mode by the host processor (in some rockchip-based tablets)
it's the protocol that is used to communicate between the host and the slave
oh.... oh...
i think i know why...
while that SDIO is actually the other way arround
the esp acts as SDIO slave
since there are such WiFi adapters
that explains it
btw I noticed that my ESP-12Es reboot and flash better when EN pin is used for reset
and my ESP-12s do better using the RST pin
so i tied both together and pulled them up with single resistor and reset at the same time
anything wrong with that?
would it break sleep if I want it?
well, you need the rst pin tied to gpio 16 to sleep
i'm new to sleep :D
ESP.deepSleep((secondToSleep * 1000000), WAKE_NO_RFCAL);
that's it?
yup
tie the pin to a pull=up
pull-up*
oh yeah
no calibration
faster boot
which is useful for me xD
i'm still getting a few WDT with reset cause 2 every now and then
very good news in fact
lol they created a new github account for their app
essentially, this says : Fuck you all developers who want to use our tools on other device like the emw3162
hmm, seems like they fixed readvdd33 with station only mode :D