Search found 19 matches

by PsuFan
Sat May 02, 2020 6:41 pm
Forum: Drivers for External Components
Topic: Do ILI Chip Displays Allow You To Change Bits Per Pixel?
Replies: 1
Views: 310

Do ILI Chip Displays Allow You To Change Bits Per Pixel?

I am working on a little weather station with an ESP8266. I populating the screen with sometimes only 2, 3, 4 colors requiring 2 bits per pixel. Why am I forced to send 16 bits per pixel? Do any chips like the ILI9341 I am using or others support defining pallet colors and just sending bits that rep...
by PsuFan
Fri May 01, 2020 1:40 pm
Forum: ESP8266 boards
Topic: How much memory should a ESP8266 D1 Mini have available?
Replies: 4
Views: 335

Re: How much memory should a ESP8266 D1 Mini have available?

LOL, thanks. I do have some ESP32 on the way. I saw they were using them to drive a ili9341 TFT. It does work pretty well with a 8266 until I tried to send all or even half the screen at the same time lol. I think it's 153K, so even the 32 can't send the whole thing.
by PsuFan
Fri May 01, 2020 1:42 am
Forum: ESP8266 boards
Topic: How much memory should a ESP8266 D1 Mini have available?
Replies: 4
Views: 335

Re: How much memory should a ESP8266 D1 Mini have available?

Yeah thanks. Is the 33K normal? Is there a way to configure what is available to memory and what is available to storage?
by PsuFan
Thu Apr 30, 2020 7:34 pm
Forum: ESP8266 boards
Topic: How much memory should a ESP8266 D1 Mini have available?
Replies: 4
Views: 335

How much memory should a ESP8266 D1 Mini have available?

If I flash v1.12 stable onto a 4M D1 mini and import gc, gc.mem_free() how much should I have? It responds 32,944 which is ~33k available? Where's the other 3.5m? Also tried to flash with flash_size=4MB but same result (auto detected 4MB too).

Thanks,
PsuFan
by PsuFan
Fri Nov 15, 2019 9:55 pm
Forum: ESP8266 boards
Topic: Multiple networks in boot.py
Replies: 4
Views: 2417

Re: Multiple networks in boot.py

Here's v2! This supports scanning and connecting to hidden networks via MAC identification. Although the stock MicroPython software does NOT return hidden networks in scan(). I do not recommend blindly trying to connect to hidden networks, as connect() writes to the limited write flash memory. I rec...
by PsuFan
Wed Nov 13, 2019 3:50 pm
Forum: General Discussion and Questions
Topic: connecting to hidden WLAN
Replies: 3
Views: 1026

Re: connecting to hidden WLAN

Did you try .connect()ing after you changed the AP to hidden?

I'm trying to figure out why scan() returns no hidden networks...
by PsuFan
Sat Oct 19, 2019 2:23 pm
Forum: ESP8266 boards
Topic: ESP12F Minimum Serial Wiring
Replies: 11
Views: 2203

Re: ESP12F Minimum Serial Wiring

I have confirmed that even the first schematic I posted is perfectly stable with a good power supply. I still haven't been able to boot with the serial adapter power or 2x Energizer Ultimate Lithium batteries that run at 3.4v. Still seeing a huge voltage drop on the batteries. Not seeing a ton of am...
by PsuFan
Sat Oct 19, 2019 3:32 am
Forum: ESP8266 boards
Topic: ESP12F Minimum Serial Wiring
Replies: 11
Views: 2203

Re: ESP12F Minimum Serial Wiring

Finally got it booted, wasn't giving it enough power Scotty. Even the AA batteries that were powering a D1 mini aren't powering this thing. Still haven't found the boot baud...
by PsuFan
Fri Oct 11, 2019 11:05 am
Forum: ESP8266 boards
Topic: ESP12F Minimum Serial Wiring
Replies: 11
Views: 2203

Re: ESP12F Minimum Serial Wiring

Yeah it's definitely unstable but itself which is lame. Why make a chip that makes you have to solder on all this extra stuff to work.

Rst cap to vcc or ground?