This is a general warning if you want to use it on your CX20 with a APM_v252_V5.0 APM. The wire which came with the board is the wrong way around as explained in this video by bang6996 You UART port when looking on top of it +V5 (VCC), TX, RX, GND On the UART side plug of the wire - You need to change around the Red and Black wires - The yellow RX can remain where it is - The green TX wire needs to move over, next to the new spot where the red wire is - Only works out of the box on CX20 version 3.12 - Needs a hex edit for custom firmware 3.15 and 3.21 to activate the UART port https://www.youtube.com/watch?v=MbqfpGElSyI http://quadcopter-robotics.blogspot.nl/2015/05/upgrading-firmware-to-315-cheerson.html It connect perfectly fine in missionplanner on PC, haven't been able to connect it to Android Droidplanner or Andropliot yet...

This is a general warning if you want to use it on your CX20 with a APM_v252_V5.0 APM. The wire which came with the board is the wrong way around as explained in this video by bang6996 You UART port when looking on top of it +V5 (VCC), TX, RX, GND On the UART side plug of the wire - You need to change around the Red and Black wires - The yellow RX can remain where it is - The green TX wire needs to move over, next to the new spot where the red wire is - Only works out of the box on CX20 version 3.12 - Needs a hex edit for custom firmware 3.15 and 3.21 to activate the UART port https://www.youtube.com/watch?v=MbqfpGElSyI http://quadcopter-robotics.blogspot.nl/2015/05/upgrading-firmware-to-315-cheerson.html It connect perfectly fine in missionplanner on PC, haven't been able to connect it to Android Droidplanner or Andropliot yet...

This is a general warning if you want to use it on your CX20 with a APM_v252_V5.0 APM. The wire which came with the board is the wrong way around as explained in this video by bang6996 You UART port when looking on top of it +V5 (VCC), TX, RX, GND On the UART side plug of the wire - You need to change around the Red and Black wires - The yellow RX can remain where it is - The green TX wire needs to move over, next to the new spot where the red wire is - Only works out of the box on CX20 version 3.12 - Needs a hex edit for custom firmware 3.15 and 3.21 to activate the UART port https://www.youtube.com/watch?v=MbqfpGElSyI http://quadcopter-robotics.blogspot.nl/2015/05/upgrading-firmware-to-315-cheerson.html It connect perfectly fine in missionplanner on PC, haven't been able to connect it to Android Droidplanner or Andropliot yet...

its work great!!! nice range.. all good ;)

its work great!!! nice range.. all good ;)

its work great!!! nice range.. all good ;)