Button Widget suggestion

[PlastiBots]

It would be nice to have a confirmation option for the button widget. For example, click a button and have a message pop-up “Are you sure you want to do this”. With a Yes / No. Customizing the message would be a bonus as well.

[Pavel]

Something like this “secured” button, yeah? Like it!

[PlastiBots]

Lol… Yeah… something like that!

[Barbera]

It 's been a long time since this thread, but I have not found this function implemented. It would be useful as a security ie you can open the front door. Better yet, instead of yes / no you could choose to influence the insertion of a password.
It could be either a new special button widget, or a new feature in the current widget button.

[Gunner]

While we (fellow Blynk users) don’t yet have a button that you can’t push, without a key that you can’t have, without a password… that you forgot…

We do have code solutions that should work for you:

Push Button Code Lock with Blynk Control

Here is a little bit of code to make a single push button combonation lock. Basically I want to lock my shed with a electronic dead bolt lock, and all I want on the outside is a single push button to unlock it. The ESP will be running the code, but not be dependent on Blynk to be connected so that It works even if the connection is broken. The idea is that you can do a simple combination push code with the single button. My example below is simple in that you must hold the button down for BUTT…

[SOLVED] Virtual button pressed for X seconds

Hey all. I need help with something. I want to press a virtual button and, after a certain amount of time, execute an action. For some reason, the action is executed immediately and not after the specified time. Here is my current code: BLYNK_WRITE(V9) { mashButton = param.asInt(); while (mashButton = 1) { unsigned long mashButton_time = millis(); if ( millis() > (mashButton_time + mashButton_delay)) { tone(alarm, 2000); } } } The variables mashButton and mashButton_del…

[Barbera]

Limited solution than to use a password or pin.
I was looking for a more elegant than the one I implemented solution, which consists, as security, to press simultaneously two buttons that activate relay 2 with the contacts in series to activate the electric lock.

[Toro_Blanco]

@Barbera Just an idea, not sure if it would work as you need.

Maybe instead of two buttons that control two relays that need to be activated at the same time, you could use one of those buttons as an “ARM” for the other button that controls one relay. Then in your code use an “&” in an if statement so that the button controlling the relay would only work if the other button was active. Then as the last step in the IF, have it write the “ARM” button state LOW to unarm it. That way you have to arm the relay button after each time it is pressed.

Pseudocode below, will need to be changed into working code.

Two Button Widgets, One attached to say virtual pin 1 (push button to activate relay) and the other to virtual pin 2 (switch to ARM).
IF (V1=HIGH & V2 = HIGH)
activate RELAY
Blynk.virtualWrite(V2, LOW);
else
do nothing

You could even work some kind of timer in there so if you arm the button, but do not press the relay button, it will unarm itself after a certain amount of time.

[Barbera]

Very good, I think this is good, it is an improvement over as I thought.
Thanks