Since I received the telemetry unit I can't get them to connect no matter what I try from all the forum posts. When I try to connect with the APM Planner software ver. 1.191 or 3DR Radio config util.…Continue
"I have a problem with my air/APM2.5 module not having any power and I think I just figured it out with the picture posted in the link. It looks to me like the APM 2.5 I received has the cable mount part reversed on the board when compared to…"
"I just got a 3dr radio 915
Its communicates while connected with the FTDI meaning solid green led/
But no communication on wireless meaning flash green led.
Does any body know whats the problem?
"I had a problem in the last 2 days also. We have a balloon launch in a few days and we really needed to get this fixed.
(yes...it is fixed)
Our problem turned out to be (as usual) a dumb stupid mistake. We have a Sparkfun data logger on the same…"
I have the same radios as yours. Based on your pictures above, I can see some wrong connections namely:
1. For the "air" module attached to the APM2, if you look at the reverse side of the board you will see the pin config. The…"
I'm with Chris and Monroe here. With those settings, that power configuration, and cabling, you should be seeing a solid green light on both units. The data you've provided suggest a problem on the board, possibly a bad solder to…"
"Thank you Steve. All the cables are correct. I did not doubt your technical abilities by asking, but like spelling errors, we cannot always see our own mistakes. I have more than once attached a cable shifted over one pin to the left and puzzled…"
"Depending on your peek servo draw, a 2A BEC might be underpowered, you might be at risk under the perfect situation, of brownouts. I'd avoid attacking hungry LED strips, VTX, or anything that might push you over the limits. However, this is…"
"I'm using a 3S Lipo, power is routed through a single Turnigy Plush 30A BEC - 2A/5V Ver.3.1 to the APM2 motor 1 connection with the standard servo type cable and then to the air module with the supplied cable. The power at the end of the…"
"Steve, given that you have early production versions, I'd suggest you get a RMA and return them for replacement. All the ones I've tried just work right out of the box, so it sounds like there's something wrong with yours. "