Support
Something not working?
Plynx is made by one person. Write and you reach him, not a queue.
Try these first
Four causes account for most of what goes wrong. Each takes under a minute to rule out.
The board prints “Connecting to…” forever
Wrong server or port, the Plynx library not installed, or an old Blynk 1.x library shadowing it. Check all three, then the serial monitor at 115200.
“Invalid auth token”
The token in the sketch does not match the one in the project settings. Copy it again. With auto setup there is no token to copy at all.
The board connects but a widget does not move
The widget is bound to the wrong pin type or number. V1 (virtual) is not D1 (digital), and a widget on the wrong type looks connected while doing nothing.
It worked, then stopped after a reboot
The board comes back knowing nothing. Ask for the current values with Plynx.syncVirtual(Vn) inside PLYNX_CONNECTED().
Longer versions of these live in Getting started, and each widget page carries the problems specific to it. The FAQ answers what Plynx is and is not.
Still stuck
Write to the developer
For anything at all: a bug, a question, a feature you wish existed, or a project you built and want to show.
plynx.cc@gmail.comReport a library bug
If the problem is in the Arduino library, an issue on GitHub keeps the sketch, the board and the serial output together where others can find them.
Open an issueWhen you write, these four lines save a round trip: the board you are using, how it connects (WiFi, Ethernet, Bluetooth), what the serial monitor prints at 115200, and whether the app shows the board as online.