ESP32 Tutorial 55 - How to measure 12V, 24V or 100V DC voltage | SunFounder's ESP32 IoT Learning kit

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Robojax

Robojax

Күн бұрын

Пікірлер: 24
@comandit
@comandit 9 ай бұрын
Like + comment because this guy personally helped me with a problem on a +2y video, what a chad
@flakmoppen
@flakmoppen 17 күн бұрын
This series is just amazing. I bought a esp32 board like yours a couple of weeks ago, and your videos have been an incredible source of information. Many thanks my dude.
@robojax
@robojax 17 күн бұрын
You are welcome. Glad you like them!
@oapke124
@oapke124 9 ай бұрын
Nice video bro! It helps a lot. Can you please publish the code asap, where can i find it?
@muhamadandymaulana
@muhamadandymaulana 2 ай бұрын
Thanks for the explanation, very helpfull for me😊
@robojax
@robojax 2 ай бұрын
My pleasure 😊
@muhamadandymaulana
@muhamadandymaulana Ай бұрын
​@@robojaxhow to calculate the value of resistor R2 with a program in arduino ideas
@jrapplefan2231
@jrapplefan2231 9 ай бұрын
Also, what is the precision of the reading ?
@robojax
@robojax 9 ай бұрын
10mV
@muhamadandymaulana
@muhamadandymaulana 17 күн бұрын
I want to ask, why when tested the voltage read on the sensor is the maximum voltage?. I tested the sensor with a 5V voltage source, why does the sensor read 100V?.
@robojax
@robojax 16 күн бұрын
if we don't know what is the maximum, then the board will burn if you connect higher voltage. So have to know the max voltage to put proper resistor.
@muhamadandymaulana
@muhamadandymaulana 16 күн бұрын
@robojax What I mean here is, why is it that when I give a power supply of 5 V, why does the sensor read a voltage of 100 V?
@ТаалайбекУтуров
@ТаалайбекУтуров 3 ай бұрын
will it work for 220V or higher?
@florianosabatini4016
@florianosabatini4016 3 ай бұрын
Hi, I have 5 Volts and I need to reduce to
@florianosabatini4016
@florianosabatini4016 3 ай бұрын
I forgot to say that the source of the 5 volt is an UPS of 25 volts already reduced with a voltage divider.
@robojax
@robojax 3 ай бұрын
Hi, Even though I have explained it fully, but you can use this calcualtor ohmslawcalculator.com/voltage-divider-calculator#google_vignette
@florianosabatini4016
@florianosabatini4016 3 ай бұрын
@@robojax I know it and the relative values of resistances are correct. I’m only asking about the absolute values of the resistance. Is 1000 ohms to low to use as R1 or it could be ok?
@ibrahimaliabbasi5188
@ibrahimaliabbasi5188 9 ай бұрын
nice
@jrapplefan2231
@jrapplefan2231 9 ай бұрын
Could we read AC voltage with a small different circuit ?
@robojax
@robojax 9 ай бұрын
if you can convert AC to DC with some circuit, yes it should work.
@rtaufiqer
@rtaufiqer 7 ай бұрын
is there any updates fotr codes
@robojax
@robojax 7 ай бұрын
Hi, I am sorry for the delay, the link to the code is added in the description.
@Thor-dy1xu
@Thor-dy1xu 9 ай бұрын
Where' the 'code' ?
@robojax
@robojax 9 ай бұрын
Will be published soon.
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