Connect to Mult-Wifi (Hidden SSID) using Blynk on esp8266

[khoih]

It’s good that you’ve done some research before posting. You can sharpen the most powerful tool in learning (searching, researching) by using the correct search topics. For example in this forum you can see MultiWiFi MultiBlynk topics:

AutoReConnect to Multiple WiFi APs and Multiple Blynk Servers (local/cloud-based)

Just post some examples to AutoReConnect to Multiple WiFi APs and Multiple Blynk Servers (local/cloud-based) in GitHub with some contribution by @Madhukesh AutoReconnect to demonstrate the usage of WiFi and Blynk AutoReConnect feature for ESP8266, ESP32 Why do we need this AutoReconnect? Imagine you have a system with mission-semi-critical functions, measuring water level and control the sump pump or doing something much more important using extensive GUI, such as medical equipments, security…

Blynk WiFiManager for ESP8266/ESP32 (including ESP32-S2, ESP32-C3) with Multi-WiFi and Multi-Blynk. Fix SSL issue for Blynk Cloud Server now

Update Apr 8th 2020 Releases v1.0.10 WiFi Password max length now is 63, according to WPA2 standard Permit to input special chars such as % and # into data fields. Thanks to brondolin to provide the amazing fix. See Issue 3. Update Apr 9th 2020 Releases v1.0.11 Severe connecting bug. Please don’t use v1.0.11 New powerful-yet-simple-to-use feature to enable adding dynamic custom parameters from sketch and input using the same Config Portal. Config Portal will be auto-adjusted to match the numb…

and many many more discussing similar things.

RE: Hidden WiFi SSID, there are many limitations as you can’t scan and show hidden SSID (that’s the main purpose). You have to know exactly the hidden SSID/PW to input.