![Getting "not declared in this scope" errors only after build - PlatformIO IDE - PlatformIO Community Getting "not declared in this scope" errors only after build - PlatformIO IDE - PlatformIO Community](https://community.platformio.org/uploads/default/original/3X/a/d/ad349aa5ac810d3af2d2f4c63595a1356e8cf9a9.png)
Getting "not declared in this scope" errors only after build - PlatformIO IDE - PlatformIO Community
![TWBR' was not declared in this scope (example MPU6050) · Issue #15 · TKJElectronics/Example-Sketch-for-IMU-including-Kalman-filter · GitHub TWBR' was not declared in this scope (example MPU6050) · Issue #15 · TKJElectronics/Example-Sketch-for-IMU-including-Kalman-filter · GitHub](https://user-images.githubusercontent.com/45800532/103927757-27e1ac00-511b-11eb-86a2-f9e9ae8b835a.png)
TWBR' was not declared in this scope (example MPU6050) · Issue #15 · TKJElectronics/Example-Sketch-for-IMU-including-Kalman-filter · GitHub
![SOLVED] 'inet_addr_to_ipaddr' was not declared in this scope - Programming Questions - Arduino Forum SOLVED] 'inet_addr_to_ipaddr' was not declared in this scope - Programming Questions - Arduino Forum](https://europe1.discourse-cdn.com/arduino/optimized/4X/3/a/0/3a00bdf616594882625d3c0ae44af729a2828c74_2_690x388.jpeg)
SOLVED] 'inet_addr_to_ipaddr' was not declared in this scope - Programming Questions - Arduino Forum
![MPU_DMP6 with Arduino DUE (TWBR not declared) - MPU-6050 6-axis accelerometer/gyroscope (InvenSense) - I2Cdevlib Forums MPU_DMP6 with Arduino DUE (TWBR not declared) - MPU-6050 6-axis accelerometer/gyroscope (InvenSense) - I2Cdevlib Forums](https://www.i2cdevlib.com/forums/applications/core/interface/email/default_photo.png)