Search found 7 matches

by femtopy
Thu Sep 30, 2021 5:12 am
Forum: ESP32 boards
Topic: How ESP32 keeps the time.localtime() without battery?
Replies: 9
Views: 5894

Re: How ESP32 keeps the time.localtime() without battery?

I used to have similar application on my Raspberry Pi and found the OS syncs the time every now and then as long as it has the internet connection. I remember the OS saves that sync time. If I power down the RPi, remove the Ethernet cable, then re-power maybe 10min later, the time is off. Once I rec...
by femtopy
Mon Aug 30, 2021 8:48 am
Forum: ESP8266 boards
Topic: ssd1306 not working??
Replies: 10
Views: 7597

Re: ssd1306 not working??

I just tried his code on my Pico with SSD1306 using Thonny and the error is due to the missing id.
by femtopy
Sun Aug 29, 2021 9:19 pm
Forum: ESP8266 boards
Topic: ssd1306 not working??
Replies: 10
Views: 7597

Re: ssd1306 not working??

You're missing the first parameter, which tells the class what type of board. Try the following:

i2c = I2C(0, scl=Pin(5), sda=Pin(4), freq=400000)
by femtopy
Wed Aug 18, 2021 12:46 am
Forum: Pyboard D-series
Topic: Pyboard D-series with STM32F767
Replies: 2
Views: 11888

Re: Pyboard D-series with STM32F767

Thanks!
by femtopy
Sun Aug 15, 2021 6:05 pm
Forum: Pyboard D-series
Topic: Pyboard D-series with STM32F767
Replies: 2
Views: 11888

Pyboard D-series with STM32F767

Does anybody know when they restock the Pyboard D-series with STM32F767?
by femtopy
Mon Jun 07, 2021 5:43 am
Forum: Raspberry Pi microcontroller boards
Topic: uf2 file
Replies: 2
Views: 2686

Re: uf2 file

Thanks. It looks like all I got to do is open a PuTTY.
by femtopy
Mon Jun 07, 2021 5:04 am
Forum: Raspberry Pi microcontroller boards
Topic: uf2 file
Replies: 2
Views: 2686

uf2 file

Is there something wrong with the uf2 file? First, the filename does not match the one shown in the procedure. Second, I drag the uf2 file to the RPI-RP2, it seems to get copied and reboots but nothing happens. Don't see anything. If I unplug/replug the Pico while pressing the BOOTSEL buttonm the uf...