Page 1 of 1
Fake ESPWROOM32?
Posted: Sun Feb 13, 2022 12:41 pm
by jeseras
Hello,
Buy about 100 of ESP32's on Aliexpress and several of them come written with FCCID:2ACC7-ESPPWROO32
They work, but not exactly the same. For example, WiFi has less range.
They are not manufactured by Espressif.
I can't find any information about it on the internet. Has it happened to someone? Or do you know anything about these fake ESP32s?
Thank you.
Re: Fake ESPWROOM32?
Posted: Mon Feb 14, 2022 1:27 am
by ESP_Sprite
Yeah, those seem to be fakes, as in, that FCC code leads nowhere. The initial code is close to Espressifs grantee code (2AC7Z vs 2ACC7) but the actual code comes up with an unrelated German company. The model number is not something Espressif has (note the double P in the model number), and doesn't seem to have anything associated in the FCC database. Given that I'm not aware of any fake ESP32 chips being reported anywhere, the chip in there is likely original, but the module seems to be put together by a third party (which by itself is perfectly fine) but seems to hint at being our product (which is questionable) and which has a fake FCCID stamped on the package (which is misleading at best). Given that the antenna and RF design is entirely unknown, I'm not surprised to learn they have less reach than official modules. Sorry, that's about all I can say about them.
Re: Fake ESPWROOM32?
Posted: Wed Feb 16, 2022 12:46 pm
by jeseras
Thank you.
I have bought from different Aliexpress suppliers and half of them have sold me these fake ESP32.
Honestly, I'm surprised no one has noticed yet.
They work but the WiFi problem is something that worries me.
Re: Fake ESPWROOM32?
Posted: Sat Feb 19, 2022 5:09 pm
by programmer
What is the driver of this esp32 and what is the name of board in arduino? nodemcu-32 or other, please.
Re: Fake ESPWROOM32?
Posted: Tue Feb 22, 2022 6:43 pm
by jeseras
In my case, it comes assembled on a board similar to the nodemcu. I in arduino select the board "doit esp32 devkit v1". But it has another problem, and that is that the first time you record you must keep the flash button pressed.
Re: Fake ESPWROOM32?
Posted: Thu Nov 03, 2022 4:28 am
by Uxia Victoria
Hi, I have the trouble, I bought another ESP32, because mi DOIT ESP32 KIT V1 is damaged.
In my country I can't find another ESP-32 with NODE MCU format, but I found a Wemos D1 R32, with Arduino board format.
Its code is like this post: ESPPWROO32.
I was trying to program in both "Cores" but this chip probably is single core because I had many Core 1 register dump.
I used this code:
Code: Select all
TaskHandle_t Task1;
void setup()
{
xTaskCreatePinnedToCore(
loop2,
"Task_1",
1000,
NULL,
1,
&Task1,
0);
Serial.begin(115200);
}
void loop()
{
Serial.println("Core # -> " + String(xPortGetCoreID()));
delay(1000);
}
void loop2(void *parameter)
{
for(;;)
{
Serial.println("\t\t\tCore # -> " + String(xPortGetCoreID()));
delay(1000);
}
vTaskDelay(10);
}
Maybe this is another problem with this "fake chip".
Regards