MicroPython Forum (Archive)

You can use ESP32-PICO-D4 packaged on a small 13x19mm module as a general purpose microcontroller running MicroPython. WiFi and BT are not enabled until you enable them explicitly and you can even fully disable WiFi/BT at build time. There is also a TinyPICO MicroPython board project using ESP32-PIC...

External RAM cannot be used as task stack memory ( puxStackBuffer & pxTaskBuffer ) unless SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY esp-idf option is enabled (which should not be enabled for MicroPython). Because some bits of the ESP32 code environment cannot be recompiled with the cache workaround, norma...

Lobo if I used the above work around that I mentioned would this use DMA to transfer the bytearray?? tft.tft_writecmddata() does not use DMA for transfer. But it uses a very efficient routine, writing directly to SPI hardware and the transfer speed is practically the same as with DMA. In case the b...

OutoftheBOTS_ wrote: ↑

Fri Oct 19, 2018 8:19 pm

I did put in a feature request to Lobo to add that I can write a buffer from RAM to the screen window but as far as I am aware this hasn't been implemented.

I didn't forget about it, it is in my work queue (which. I'm afraid, is not of a FIFO type).

You can create ony one ADC instance on any pin. If you don't need it anymore, free it with adc.deinit(), than you can use the same pin again (for adc or any other purpose).
Read the ADC Wiki for more details.

RTC memory seems not to work on Odroid Go with ESP32 LoBo v3.2.24 Values set with rtc.write_string() are deleted after soft reset. Does the Odroid Go has NVRAM? It has 4MB PSRAM... Is it battery buffered RAM ? Any how to read/write it from micropython? RTC memory is preserved only after deepsleep r...

This forum has a Search button, why not use it to search for "HD44780" ?

jickster wrote: ↑

Sat Oct 06, 2018 5:26 am

Updating the firmware of micropython cannot be done while running micropython.

On ESP32 boards it is an easy process and it is implemented in my MicroPython port.