- Tue Apr 19, 2016 2:35 am
#45761
I dont know if i understood you correct: It is recommended to exchange the 100nF cap with a 100uF cab between Vdd and GND of the ESP?
- Tue Apr 19, 2016 8:45 am
#45774
Oh ! I see :
In one of your earlier schematic, the C2 was 100uF, and on latest it is now 10uF.
You should keep the value at 100uF or even more if you can.
This is the "power reserve" which will prevent spikes.
In one of your earlier schematic, the C2 was 100uF, and on latest it is now 10uF.
You should keep the value at 100uF or even more if you can.
This is the "power reserve" which will prevent spikes.
- Tue Apr 19, 2016 8:59 am
#45777
Okay, i will do that. I just changed the value to the value which was used in the datasheet for the voltage regulator HT7333.
Edit: I changed my schematic again: https://www.docdroid.net/bn6yQzS/schema ... 6.pdf.html
So final thoughts, is this going to work?
Oh ! I see :
In one of your earlier schematic, the C2 was 100uF, and on latest it is now 10uF.
You should keep the value at 100uF or even more if you can.
This is the "power reserve" which will prevent spikes.
Okay, i will do that. I just changed the value to the value which was used in the datasheet for the voltage regulator HT7333.
Edit: I changed my schematic again: https://www.docdroid.net/bn6yQzS/schema ... 6.pdf.html
So final thoughts, is this going to work?
- Tue Apr 19, 2016 11:12 am
#45791
Often a MCU like the esp8266 is protected in two ways a small 100nf cap for very short spikes and a large cap for a power reserve to prevent voltage drops or quick rises during power surges. You need one for each job so often two are always used with the 100nf as near to the MCU as can be.
