Help me to send this analog data to blynk

[John93]

Please don’t create multiple topics on the same subject, keep the discussion in one place.

Why when connect with blynk, different value obtained from basic code

I try to do simple coding, receive data from sensor and send to blynk app. When I do without connection of blynk, the serial monitor show range of result from 500-600. As I connect with blynk, 0 value remains. Can you help why? #define BLYNK_TEMPLATE_ID "TMPLUbWIVa-J" #define BLYNK_DEVICE_NAME "IoT Sound Monitoring" #define BLYNK_AUTH_TOKEN "X1M4kjMcKWngRCBVHyaWFZecNuVt47cY" #include <WiFi.h> #include <WiFiClient.h> #include <BlynkSimpleEsp32.h> char auth[] = BLYNK_AUTH_TOKEN; char …