Insight needed; BLYNK_WRITE won't update variable

[Tuyp]

@Toro_Blanco

If it manages to connect to BLYNK, you should see the value printed to serial monitor. Then move the slide and see if it prints the new valve.

So you’re saying I’m not connecting right? I did managed to send values to the blynk app tough… so I know I did made a connection at some point… (this is a new project by the way, I’m having a working project | a beer brewery | on another arduino and it works just fine. I just never had to send data back to the hardware before…)

I’ve tried it before when I came across this link ([SOLVED] Blynk app says "device is offline" - #3 by sanjaysy), alas, did not work… tried it again tough just to try to pinpoint to the source of the problem with you all on this tread. Resulting serial:

rl��r��c�n�����p�|����x��ǒ��p�nn��;�n����e�b�cl`e$`e�rl��r��c�n�����p�|����x��ǒ��p�nn��;�n����e�b�cl`e$`e�p�n�������l�����b�n��n�$��b��>~�n�����l`e���#�n�rnr���;����{r�ےn��b��`eĞ�l�����x��r��n�b�[43] Connecting to Tuypgroup
[3544] Connected to WiFi
[3544] IP: 192.168.178.179
[3544] 
    ___  __          __
   / _ )/ /_ _____  / /__
  / _  / / // / _ \/  '_/
 /____/_/\_, /_//_/_/\_\
        /___/ v0.5.2 on Arduino

[3550] Connecting to blynk-cloud.com:80
[3645]�rl��r��c�n�����p�|����x��ǒ��p�nn��;�n�����b�$	rrp�n�������l�����b�n��n�$��b��<~�n��Ì�l`e���#�n�rnr���;����sr�ےn��b��`eĞ�l�����x��r��n�b�[43] Connecting to Tuypgroup
[1543] Connected to WiFi
[1544] IP: 192.168.178.179
[1544] 
    ___  __          __
   / _ )/ /_ _____  / /__
  / _  / / // / _ \/  '_/
 /____/_/\_, /_//_/_/\_\
        /___/ v0.5.2 on Arduino

[1550] Connecting to blynk-cloud.com:80
[1634]�rl��r��c�n�����p�|����p��ǒ��p�nn��;�n����e�b�$errp�n�������l�����b�n��n�$��b��>~�n�����l`e���#�n�rnr���;����{r�ےn��b��`eĞ�l�����8��r��n�b�[43] Connecting to Tuypgroup
[1543] Connected to WiFi
[1543] IP: 192.168.178.179
[1543] 
    ___  __          __
   / _ )/ /_ _____  / /__
  / _  / / // / _ \/  '_/
 /____/_/\_, /_//_/_/\_\
        /___/ v0.5.2 on Arduino

[1549] Connecting to blynk-cloud.com:80
[1641]�rl��r��c�n�����p�|����x��ǒ��p�nn��;�n����e�b�$	rrp�n�������l�����b�n��n�$��b��>~�n�����l`e���#�n�rnr���;����{r�ےn��b��`eĞ�l�����x��r��n�b�[43] Connecting to Tuypgroup
[544] Connected to WiFi
[544] IP: 192.168.178.179
[544] 
    ___  __          __

I did move the slider, the app said “device is offline”