Search found 15 matches

by knightridar
Wed Nov 13, 2019 7:06 pm
Forum: Sample Code
Topic: Smooth an Array of Analog Values and Print them
Replies: 3
Views: 320

Re: Smooth an Array of Analog Values and Print them

https://esp32.com/viewtopic.php?f=2&t=1075&start=10

This is what I found hope it helps.
They claim 6 khz but results not so good.
by knightridar
Fri Nov 08, 2019 7:25 pm
Forum: ESP32 Arduino
Topic: ESP Now values not being received properly on receiver side.
Replies: 3
Views: 210

Re: ESP Now values not being received properly on receiver side.

Thanks for the PWM update. I got it from various websites and their images of pinouts. The values will not go negative. Since they are from ADC they will range from 0-4095. The total/numReadings will yield a result in that range. I used the <1,2,3,4,5> method via Arduino Pro Mini and HC-12 wireless ...
by knightridar
Fri Nov 08, 2019 5:44 am
Forum: ESP32 Arduino
Topic: Send analog values using espnow
Replies: 8
Views: 3420

Re: Send analog values using espnow

Hi this is the closest I've gotten so far:

https://esp32.com/viewtopic.php?f=19&t=13054

I have another example too that I'll look for but had trouble assigning it on receiving side.
by knightridar
Fri Nov 08, 2019 2:33 am
Forum: ESP32 Arduino
Topic: ESP Now values not being received properly on receiver side.
Replies: 3
Views: 210

ESP Now values not being received properly on receiver side.

I'm reading 4 analog values after smoothing the results from a multidimensional array. Based on the results of the analog values I output certain data variable values. These data variable values should get transferred to the receiver/slave ESP32 but they are not. I'm using the ESP-Now protocol to tr...
by knightridar
Fri Nov 08, 2019 1:51 am
Forum: ESP32 Arduino
Topic: External ADC Question
Replies: 6
Views: 428

Re: External ADC Question

I just posted some code for ADC readings for the ESP32. It takes values from an array and smooths them out. https://www.esp32.com/viewtopic.php?f=18&t=13053 I get good results after smoothing out the values and using 0.1 uF capacitors. See this in Espressif documentation: https://docs.espressif.com/...
by knightridar
Fri Nov 08, 2019 1:23 am
Forum: Sample Code
Topic: Smooth an Array of Analog Values and Print them
Replies: 3
Views: 320

Smooth an Array of Analog Values and Print them

This code can be useful if anyone wants to get a bunch of analog values and smooth out the results and then output them after smoothing them. The array helps to prevent repetition of code and so makes things more efficient. I have to thank user 6v6gt on the Arduino forums for helping to complete it ...
by knightridar
Thu Oct 24, 2019 5:25 am
Forum: ESP32 Arduino
Topic: ESP Now Master/Slave examples not working on ESP32-PICO-KIT D4 V4.1
Replies: 2
Views: 338

Re: ESP Now Master/Slave examples not working on ESP32-PICO-KIT D4 V4.1

Thanks you are absolutely right.

The pc I was using had 2 front usb ports it didn't work on.
The 3rd front USB port that you can quick charge from didn't give the same issue.
It worked fine.
by knightridar
Tue Oct 22, 2019 10:37 pm
Forum: Hardware
Topic: ESP32-PICO-KIT V4.1 Vin 7-12V which pin? 3.3V which pin?
Replies: 2
Views: 466

Re: ESP32-PICO-KIT V4.1 Vin 7-12V which pin? 3.3V which pin?

Got it thanks.
It wasn't clear if those 3v3 or 5v pins were just outputs or could be also used as inputs.
I will use them as both using this buck converter:
https://bit.ly/2G5QQNm
by knightridar
Tue Oct 22, 2019 10:04 pm
Forum: ESP32 Arduino
Topic: ESP Now Master/Slave examples not working on ESP32-PICO-KIT D4 V4.1
Replies: 2
Views: 338

ESP Now Master/Slave examples not working on ESP32-PICO-KIT D4 V4.1

ESP Now Master/Slave examples in Arduino IDE not working on ESP32-PICO-KIT D4 V4.1 I'm loading these into two different (master/slave) ESP32-PICO-KIT D4 V4.1 development kits and get the following error on the serial monitor in the Arduino IDE for both of them: ets Jun 8 2016 00:22:57 rst:0xc (SW_CP...
by knightridar
Sun Oct 13, 2019 9:17 pm
Forum: Hardware
Topic: ESP32-PICO-KIT V4.1 Vin 7-12V which pin? 3.3V which pin?
Replies: 2
Views: 466

ESP32-PICO-KIT V4.1 Vin 7-12V which pin? 3.3V which pin?

Hi, I just got ESP32-PICO-KIT V4.1. From digi-key: https://bit.ly/2IJNIZF I've downloaded data sheets for it from the Espressif website but am still confused. Where is the 7-12V input pin? What if I have a buck converter that steps down the voltage to 3.3V, where do I plug it in? The 3V3 pin? Thanks.

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