Hi all, i use the code from the example /* * LAB: 10 * Name: ESP32 ADC Calibration * Author: Khaled Magdy * For More Info Visit: www.DeepBlueMbedded.com */ #include "esp_adc_cal.h" #define AN_Pot1 37 int AN_Pot1_Result = 0; float Voltage = 0.0; void setup() { Serial.begin(115200); } void loop() { AN...

boarchuz wrote: ↑

Mon Mar 28, 2022 1:36 am

IO2 is pulled up, you will need it low to program successfully

Merci !!
Damn it - I spent 3 days until I came across information about .
Espressif can be proud - the module withstood 6 solderings with a hot air gun))

I am using a quarter wave antenna. I believe - it can be connected directly to ESP32­_PICO_­D4

ESP32­_PICO_­D4
I use a 1/4L antenna. Do I need an additional balun, or can it be connected directly to the module?
thanks for the information