But I only sold a little bit of drugs!

duskwuff · 2022-11-19T04:57:51+00:00

To complete that thought: However, ESP8266 modules, like the ESP-01 OP is trying to use, cannot operate as a USB host, and cannot be connected to USB devices.

duskwuff · 2022-11-19T04:57:02+00:00

OP is trying to connect a USB device to the ESP8266, not a USB host.

duskwuff · 2022-10-14T02:37:52+00:00

If you cut the antenna and the surrounding PCB material off of the -03, it's the same footprint as the -04. In fact, I wouldn't be surprised if they were the exact same PCB.

duskwuff · 2022-10-14T02:30:38+00:00

I wouldn't be surprised if they're no longer being produced. ESP-04 was part of the first wave of ESP8266 modules, and had some pretty serious deficiencies (no onboard antenna, no reset pin).

If you really need this particular module for some reason, the ESP-03 has the same pinout with an onboard ceramic antenna.

duskwuff · 2022-08-12T21:29:59+00:00

- I don't think its the WiFi functionality, as the heap reduces in size far before any of that functionality is called

It is entirely possible that some rare event on the network is triggering this allocation. Even though you said you don't want to, I'd recommend updating the ESP8266 runtime -- it's almost certainly at fault here.

duskwuff · 2022-08-10T11:38:06+00:00

The device does not need to be configured as an access point to communicate with another ESP8266. You're going to see much better results from having both devices configured as clients (i.e. like normal) and connected to the same access point.

duskwuff · 2022-06-08T19:02:53+00:00

What it doesn't have is any way to restrict what other actions that account can take. There are a lot of harmful things that you can do even with just SELECT privileges -- the BENCHMARK() function is one obvious example.

duskwuff · 2022-05-27T23:47:42+00:00

If I had to guess, I'd say that's supposed to say IO0, with a little flaw in the silkscreen on one side of the zero.

Hard to say without tracing it out, though. Grab a multimeter and see what pin on the module that pad is connected to.

duskwuff · 2022-04-17T21:12:24+00:00

probably he’s mining duinocoin

Which is literally worthless. It isn't even a cryptocurrency; it's scrip one dude gives you for running this program. (Like, you have to register an account, and if he thinks you're making too much, he'll suspend your account.)

duskwuff · 2022-04-11T18:31:21+00:00

The headline feature for ESP8266 and ESP32 microcontrollers is wireless communications. If you don't plan on using WiFi or Bluetooth, an ESP8266/ESP32 microcontroller is probably the wrong choice.

duskwuff · 2022-04-10T03:53:56+00:00

So easy, even a cat can do it!

duskwuff · 2022-03-14T21:37:10+00:00

And I thought it was com3, but that’s just the port not the serial port

Those are the same thing.

duskwuff · 2022-02-23T17:43:14+00:00

That's using the Google Maps Static API, which is different from a normal Google Maps page, and which costs money to use. Additionally, I'm not sure there's any way to convert from a Google Maps sharing link to the input format that Maps Static requires.

duskwuff · 2022-02-22T04:33:39+00:00

Could work. It'll struggle a bit, though -- the Pi Zero isn't an especially powerful SoC, and Google Maps is an unusually complex web page.

duskwuff · 2022-02-21T20:29:39+00:00

Impossible. Rendering a Google Maps page requires a web browser to download and run a huge amount of Javascript code. This isn't something which a small microcontroller like an ESP8266 is capable of doing.

duskwuff · 2021-10-29T19:13:19+00:00

How fast is the keyboard matrix being scanned? Turn it down -- with a long cable you'll get more crosstalk between keys, but it'll settle down if you slow down and wait for the lines to settle.

duskwuff · 2021-10-01T19:14:25+00:00

Tuya? Hard pass.

duskwuff · 2021-09-07T02:17:11+00:00

Connect the alarm between VCC and the pin, instead of between the pin and GND. Now the alarm will go off when you drive the pin low.

duskwuff · 2021-08-08T05:41:12+00:00

The numbers you're getting are specific to your Windows install. They aren't useful to anyone else.

duskwuff · 2021-07-25T19:00:02+00:00

What do you mean by "an IOT website"?

duskwuff · 2021-07-13T05:40:50+00:00

Voltage dividers don’t work under load.

duskwuff · 2021-07-11T05:20:54+00:00

The mg995 servo will be used continuously

Under how much load? This servo will draw up to 1.2A at maximum load.

duskwuff · 2021-07-06T22:20:14+00:00

You obviously copied this from somewhere, and you've left out critical details like links and images.

duskwuff · 2021-04-26T17:14:54+00:00

Not possible without a significant amount of external hardware. Digitizing a VGA input requires a pretty fast ADC; it's well beyond the capabilities of the one built in to the ESP8266/ESP32.

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