The more tokens you allocate, the more complex the JSON can be, but also the more memory is occupied. Each token takes 8 bytes, so sizeof (JsonParser<32>) is 256 bytes which is quite big in an Arduino ...

Tutorial 1:ESP32 WiFimanager- Reconnect Wi-Fi on loss of network---https://microdigisoft.com/esp32-wifimanager-reconnect-wi-fi-on-loss-of-network/ Tutorial 2:ESP32 Wi ...