![SOLVED] MAV> link 1 down when attempting to communicate with Raspberry Pi - APSync / Companion Computers - ArduPilot Discourse SOLVED] MAV> link 1 down when attempting to communicate with Raspberry Pi - APSync / Companion Computers - ArduPilot Discourse](https://discuss.ardupilot.org/uploads/default/original/3X/c/a/cabc16cf34534da1faa86998b39d843c01afc3d9.png)
SOLVED] MAV> link 1 down when attempting to communicate with Raspberry Pi - APSync / Companion Computers - ArduPilot Discourse
Raspberry Pi to Pixhawk for object tracking drone link 1 down, garbage values appearing when the program is running. - Discussions - diydrones
![SOLVED] MAV> link 1 down when attempting to communicate with Raspberry Pi - APSync / Companion Computers - ArduPilot Discourse SOLVED] MAV> link 1 down when attempting to communicate with Raspberry Pi - APSync / Companion Computers - ArduPilot Discourse](https://discuss.ardupilot.org/uploads/default/original/3X/2/7/27e57ce9f61406e4d717de7311e0120d28748ad4.png)
SOLVED] MAV> link 1 down when attempting to communicate with Raspberry Pi - APSync / Companion Computers - ArduPilot Discourse
![Configuring The GPIO Serial Port On Raspbian Jessie and Stretch Including Pi 3 and 4 - Spell Foundry Configuring The GPIO Serial Port On Raspbian Jessie and Stretch Including Pi 3 and 4 - Spell Foundry](https://spellfoundry.com/wp/wp-content/uploads/2014/03/Sleepy-Pi-2-with-programming-cable.jpg)
Configuring The GPIO Serial Port On Raspbian Jessie and Stretch Including Pi 3 and 4 - Spell Foundry
![Pixhawk and Raspberry Pi 4 Mavlink Connection via USB ( Link 1 Down Error) - ArduCopter - ArduPilot Discourse Pixhawk and Raspberry Pi 4 Mavlink Connection via USB ( Link 1 Down Error) - ArduCopter - ArduPilot Discourse](https://discuss.ardupilot.org/uploads/default/original/3X/3/e/3e0af9b7f287083c19f8bd2fc1d73ccf57d17959.jpeg)
Pixhawk and Raspberry Pi 4 Mavlink Connection via USB ( Link 1 Down Error) - ArduCopter - ArduPilot Discourse
![SOLVED] MAV> link 1 down when attempting to communicate with Raspberry Pi - APSync / Companion Computers - ArduPilot Discourse SOLVED] MAV> link 1 down when attempting to communicate with Raspberry Pi - APSync / Companion Computers - ArduPilot Discourse](https://discuss.ardupilot.org/uploads/default/original/3X/c/2/c266e7fcaf5b8aaa4a30681e390b5a963d07b1e3.png)