New Lolin D32 Pro with 4MB PSRAM
New Lolin D32 Pro with 4MB PSRAM
New Lolin D32 Pro with 4MB Flash + 4MB PSRAM (ESP32-WROVER)
https://www.aliexpress.com/store/produc ... 16057.html
The D1 Mini Pro has been upgraded too - it's now on a green PCB and Lolin branded, with 16MB flash and LiPo charger.
https://www.aliexpress.com/store/produc ... 92514.html
Looks like they are phasing out the Wemos brand in favour of Lolin.
https://www.aliexpress.com/store/produc ... 16057.html
The D1 Mini Pro has been upgraded too - it's now on a green PCB and Lolin branded, with 16MB flash and LiPo charger.
https://www.aliexpress.com/store/produc ... 92514.html
Looks like they are phasing out the Wemos brand in favour of Lolin.
Re: New Lolin D32 Pro with 4MB PSRAM
I suppose the spacing of the headers is the same as the older Wemos D1 Mini Pros... so that at least the shields should still work. Nice to see they are using the MicroPython pin numbering scheme now!
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Re: New Lolin D32 Pro with 4MB PSRAM
If they free of any hardware bugs then they look like some of the best ESP32 devs boards on the market.
Does anyone know if it is A jst sh plug the same as spark fun uses for there qwiic system??
Does anyone know if it is A jst sh plug the same as spark fun uses for there qwiic system??
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 connectors are SH1.0-4P and SH1.0-10P. Commonly used with RC gear.
The Sparkfun Qwiic connector appears to be compatible but the pin order is: GND,3v3,SDA,SCL.
The datasheet for the Wemos DHT shield says the pin order is different: GND,SDA,SCL,3v3.
To use Qwiic, you’ll need to reorder the pins in one of your tiny 4P jumper cables.
The I2C and TFT connectors are SH1.0-4P and SH1.0-10P. Commonly used with RC gear.
The Sparkfun Qwiic connector appears to be compatible but the pin order is: GND,3v3,SDA,SCL.
The datasheet for the Wemos DHT shield says the pin order is different: GND,SDA,SCL,3v3.
To use Qwiic, you’ll need to reorder the pins in one of your tiny 4P jumper cables.
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- Joined: Mon Nov 20, 2017 10:18 am
Re: New Lolin D32 Pro with 4MB PSRAM
Is the polarity on the battery connector the same as Adafruit as there doesn't seem to be a standard and each manufacture just wires which ever way they want. I did let the magic smoke out of a board by not checking first.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 connectors are SH1.0-4P and SH1.0-10P. Commonly used with RC gear.
The Sparkfun Qwiic connector appears to be compatible but the pin order is: GND,3v3,SDA,SCL.
The datasheet for the Wemos DHT shield says the pin order is different: GND,SDA,SCL,3v3.
To use Qwiic, you’ll need to reorder the pins in one of your tiny 4P jumper cables
It is a pity that the jst sh connectors for the I2C are doing the same thing as not having a standard making it easy for beginners to smoke up some of there goodies
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 translate is your friend.
https://macsbug.wordpress.com/2017/05/0 ... f-lolin32/
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 translate is your friend.
https://macsbug.wordpress.com/2017/05/0 ... f-lolin32/
Re: New Lolin D32 Pro with 4MB PSRAM
Does the D32 have a microSD slot? That would be a super useful feature for me! I hope there is some improvement with the battery drain in deep sleep.
Edit: yes it is, sweet! This could be an awesome board for remote data logging! I've been keen to try out Micropython for data logging.
Edit: yes it is, sweet! This could be an awesome board for remote data logging! I've been keen to try out Micropython for data logging.
Grow something!
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
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
Re: New Lolin D32 Pro with 4MB PSRAM
The battery circuitry seems to be the same with the D32 and D32 Pro:
https://wiki.wemos.cc/_media/products:d ... v1.0.0.pdf
https://wiki.wemos.cc/_media/products:d ... v2.0.0.pdf
https://wiki.wemos.cc/_media/products:d ... v1.0.0.pdf
https://wiki.wemos.cc/_media/products:d ... v2.0.0.pdf
Re: New Lolin D32 Pro with 4MB PSRAM
Thanks for clearing that up - I literally just discovered that before I came back to this thread!mcauser wrote: ↑Thu Jun 14, 2018 7:17 amThe 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
Grow something!