About

Gender

Male


Please tell us a bit about your UAV interest

model airplane


Activity Feed

Andrew law left a comment for Tom Gibson
"Hi Tom,
thank you for your quick response. what i am trying to do is to implement an external GPS onto APM2 via the I2C port that locates closet to the on-board GPS. the reason for this is because the ext. GPS i have only takes 3.3V or else it…"
Aug 21, 2012
Andrew law commented on Chris Anderson's blog post Tutorial: Connecting other GPS modules to ArduPilot
"i have a similar question as Richard, i am working with the Venus GPS by Skytraq
https://www.sparkfun.com/products/9133
however it doesnt come with EM406 connector, is it safe to connects its GND/TX/RX/3.3V (VIN) to the pins right behind the…"
Aug 14, 2012
Andrew law replied to Andrew law's discussion APM2 telemetry using xbee pro S2B
"great news!
APM2 successfully communicate wirelessly even with 2.4GHz xbee pro 2
after they were connected in mission planner they didnt seem to transferring anything so I re-upload the firmware to the APM2. the mission planner not only showing…"
Aug 10, 2012
Andrew law replied to Andrew law's discussion APM2 telemetry using xbee pro S2B
"i realized i made a silly mistake where i forgot to undo the loopback wire on the APM2 side. so i am guessing when mission planner tries to connect to APM2 the signal comes right back, hence "no heatbeat packets received".  after taking it off and…"
Aug 9, 2012
Andrew law replied to Andrew law's discussion APM2 telemetry using xbee pro S2B
"sorry  forgot to mention the RSSI led on both side of the xbee is on when i click connect in mission planner
and the switch on the xtremebee is on slave"
Aug 8, 2012
Andrew law posted a discussion
I am having some difficulties setting up telemetry for an UAV and hope to start this post to pool some ideas.i am using APM2 with the latest firmware ArduPlane V2.50 uploaded to APM2 using mission planner 1.2.4 mav 1.0 on the APM2 side i uses the…
Aug 8, 2012