![Sensors | Free Full-Text | SLUA-WSN: Secure and Lightweight Three-Factor-Based User Authentication Protocol for Wireless Sensor Networks Sensors | Free Full-Text | SLUA-WSN: Secure and Lightweight Three-Factor-Based User Authentication Protocol for Wireless Sensor Networks](https://www.mdpi.com/sensors/sensors-20-04143/article_deploy/html/images/sensors-20-04143-g001.png)
Sensors | Free Full-Text | SLUA-WSN: Secure and Lightweight Three-Factor-Based User Authentication Protocol for Wireless Sensor Networks
![Multiple definition error: ".pio\build\uno\src\driver.cpp.o (symbol from plugin): In function `minusButton': (.text+0x0): multiple definition of `minusButton' .pio\build\uno\src\Button.cpp.o (symbol from plugin):(.text+0x0): first defined here". Anyone ... Multiple definition error: ".pio\build\uno\src\driver.cpp.o (symbol from plugin): In function `minusButton': (.text+0x0): multiple definition of `minusButton' .pio\build\uno\src\Button.cpp.o (symbol from plugin):(.text+0x0): first defined here". Anyone ...](https://preview.redd.it/7oqrclzf9rl91.jpg?vthumb=1&s=dfb5e5cf73866be83d07dd7a72a47f8d19d77395)
Multiple definition error: ".pio\build\uno\src\driver.cpp.o (symbol from plugin): In function `minusButton': (.text+0x0): multiple definition of `minusButton' .pio\build\uno\src\Button.cpp.o (symbol from plugin):(.text+0x0): first defined here". Anyone ...
![Multiple definition error: ".pio\build\uno\src\driver.cpp.o (symbol from plugin): In function `minusButton': (.text+0x0): multiple definition of `minusButton' .pio\build\uno\src\Button.cpp.o (symbol from plugin):(.text+0x0): first defined here". Anyone ... Multiple definition error: ".pio\build\uno\src\driver.cpp.o (symbol from plugin): In function `minusButton': (.text+0x0): multiple definition of `minusButton' .pio\build\uno\src\Button.cpp.o (symbol from plugin):(.text+0x0): first defined here". Anyone ...](https://preview.redd.it/a92yswrxdrl91.png?width=919&format=png&auto=webp&s=64210d6747c4de606ab8321dba7b4ab359372b04)