Search found 294 matches

by mcauser
Thu Jun 14, 2018 7:19 am
Forum: ESP32 boards
Topic: New Lolin D32 Pro with 4MB PSRAM
Replies: 9
Views: 325

Re: New Lolin D32 Pro with 4MB PSRAM

by mcauser
Thu Jun 14, 2018 7:17 am
Forum: ESP32 boards
Topic: New Lolin D32 Pro with 4MB PSRAM
Replies: 9
Views: 325

Re: New Lolin D32 Pro with 4MB PSRAM

The D32 does not have an onboard MicroSD slot. The new D32 Pro does. It's one of those half height ones, like on the pyboard.
You can still connect an external MicroSD board to the D32.

The wiki page is up now: https://wiki.wemos.cc/products:d32:d32_pro
by mcauser
Wed Jun 13, 2018 12:15 am
Forum: ESP32 boards
Topic: New Lolin D32 Pro with 4MB PSRAM
Replies: 9
Views: 325

Re: New Lolin D32 Pro with 4MB PSRAM

Judging from photos alone, the battery connector seems to be the same polarity as the Adafruit boards. The polarity seems consistent with previous Lolin boards. I'll confirm once mine arrive on the slow boat. There's a good blog post with details about the retired Lolin 32 charge circuitry. Google t...
by mcauser
Tue Jun 12, 2018 9:43 pm
Forum: ESP32 boards
Topic: New Lolin D32 Pro with 4MB PSRAM
Replies: 9
Views: 325

Re: New Lolin D32 Pro with 4MB PSRAM

It appears to be the same battery connector they used for the D1 mini power shield, Lolin 32, Lolin 32 Lite, Lolin D32 and D1 mini pro v2. On the wiki it’s described as "PH2-2.0mm battery connector". I believe that is a JST connector, same used on the Adafruit Feather boards. The I2C and TFT connect...
by mcauser
Tue Jun 12, 2018 12:56 pm
Forum: ESP32 boards
Topic: New Lolin D32 Pro with 4MB PSRAM
Replies: 9
Views: 325

New Lolin D32 Pro with 4MB PSRAM

New Lolin D32 Pro with 4MB Flash + 4MB PSRAM (ESP32-WROVER) https://www.aliexpress.com/store/product/LOLIN-D32-Pro-V1-0-0-wifi-bluetooth-board-based-ESP-32-esp32-Rev1-ESP32-WROVER/1331105_32883116057.html The D1 Mini Pro has been upgraded too - it's now on a green PCB and Lolin branded, with 16MB fl...
by mcauser
Tue Jun 12, 2018 4:01 am
Forum: ESP8266 boards
Topic: Differences between CH340 & CP210X Boards
Replies: 9
Views: 326

Re: Differences between CH340 & CP210X Boards

Also a little off topic - on OSX I have to drop the baud rate on CH340 boards as it seems the OSX driver is buggy.
No issues with the CP210X driver.
by mcauser
Tue Jun 05, 2018 8:06 am
Forum: ESP32 boards
Topic: ESP32 external psRAM module
Replies: 5
Views: 226

Re: ESP32 external psRAM module

@Roberthh My Lolin is an original Rev0. No RAM for me! Nice hack! @pythoncoder that's what I wasn't sure about. Can SPI Flash be used as RAM or is SPI RAM a completely different tech. Further Googleing suggests they are indeed completely different techs. Searching for "SPIRAM" on AliExpress gave me ...
by mcauser
Tue Jun 05, 2018 12:12 am
Forum: ESP32 boards
Topic: ESP32 external psRAM module
Replies: 5
Views: 226

ESP32 external psRAM module

I've got one of these little $2 W25Q128 16MB SPI NorFlash modules: https://www.aliexpress.com/item/1pc-W25Q128-NorFlash-Storage-Module-128Mbit-Flash-SPI-Interface-Control-Module/32852244173.html https://i.imgur.com/qBzDAnl.jpg Could it be used to add psRAM support to my old Lolin32 (with ESP-WROOM-3...
by mcauser
Mon Jun 04, 2018 12:46 am
Forum: Other Boards
Topic: Black STM32F407VET6 + STM32F407ZET6 dev boards
Replies: 64
Views: 17230

Re: Black STM32F407VET6 + STM32F407ZET6 dev boards

@KevinA those zips you referenced are 404ing. I downloaded a similar .rar file for the "black" VET6 and ZET6 boards and the vcc-gnd VET6 board. Decompressed they are around 4gb each. They each have lots of different examples. Mostly in Chinese, but you can get a rough idea of what is going on and Go...
by mcauser
Thu May 31, 2018 12:34 am
Forum: Hardware Projects
Topic: In Search of a Hardware Project
Replies: 3
Views: 206

Re: In Search of a Hardware Project

Have you seen the M5 Stack?
http://m5stack.com/
It combines a ESP32 with 2.0" 320x240 TFT, 1W speaker, MicroSD, Grove I2C and has a bunch of stackable modules, GSM, GPS, LoRa, 9DOF etc.