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ESP32 How to run on 80MHz instead of 240Mhz
Posted: Thu Apr 14, 2022 9:33 am
by stefan.erni
Hi Ben
To save power from the battery, a very simple way is to reduce the clock frequency in general.
With the ESP32 it would still be possible to work with 80MHz
and power consumption would drop significantly.
How can I change the clock of the ESP32 to 80MHz with Flowcode?
regards
Stefan
Re: ESP32 How to run on 80MHz instead of 240Mhz
Posted: Thu Apr 14, 2022 12:40 pm
by stefan.erni
Hi Ben
For the ESP32 it's in the config file but Flowcode has no option for 80MHz.
regards
Stefan
Info about it:
- 80Mhz_2022-04-14_13-35-37.jpg (60.46 KiB) Viewed 1683 times
- 80MHz_2022-04-14_13-37-03.jpg (30.09 KiB) Viewed 1683 times
Re: ESP32 How to run on 80MHz instead of 240Mhz
Posted: Thu Apr 14, 2022 1:01 pm
by LeighM
It's a combo box, you can type in your own speed
Re: ESP32 How to run on 80MHz instead of 240Mhz
Posted: Tue Apr 19, 2022 9:14 am
by stefan.erni
Hi Leigh
Thanks a lot for the info.
I had to enter 80 few times and then it worked.
My program needs power on 5Volt PSU as follows:
With 80MHz: normal 50-60mA, Bluetooth sending 90-100mA
With 240MHz: normal 70-90mA, Bluetooth sending 110-120mA
Comport and Bluetooth is working nice with both speed.
It's about 20% less, its something but not enough so I have to look further how can I reduce the power consumption
regards
Stefan