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I've not tried this but you can also do this in the setup: Serial.begin(57600); while (!Serial) {} //wait for serial which is supposed to delay the whole program until the serial monitor is connected if usb is connected. getting the T3 to autoreboot when opening a serial connection from...

changing uart to serial and changing the band to what my radios were operating at was all I needed to do to get it going I stuck a delay(10000) in the startup before the serial.printline("Starting.....") to give me a good 10 seconds to connect the serial port. Once I'd got it going I messed...

Thanks John, I wondered if that might be the case. unfortunately I don't have a scope, so trying to rely on serial output for debugging, except I'm not getting serial output. ended up just changing uart to serial and got going that way.

cwleveck do you have a blog? I'd be keen to see photos and keep an eye on your progress.

so I got a couple of the little RFM12BS radios to play with, and wired them up as per the https://github.com/tht/T3Libs readme on two different T3s uploaded the example sketch in the library and opened the serial window, but got nothing on either of the two t3s (connected to two different PCs)...

I'll look at testing as above later,(edit - oh you were wanting tests with T2, nevermind there hten) not sure if this is related, but I've noticed a significant (several seconds) delay on my win7(pro) 64 box while doing stuff in the arduino IDE, ie. clicking the sketch and tool menus, serial...

OOOhh I've just noticed something: if I upload the code to the T3 and read the serial, it all works fine. after this upload and first run, I get this stuck heading problem. any ideas? edit: using reset it will work, but just plugging it into the USB (or bat power) it wont. Edit2: on a hunch...

still sometimes having problems with the compass reading the same heading no matter which way it's facing. wonder if it's a problem with the compass initialisation. when this happens it's not an exactly the same reading, there's a little bit of jitter, but spinning the compass around does not...

stuck the compass away from the rest of the electronics, didn't seem to make much difference, threw a delay in the loop and suddenly started to get better readings. was previously attempting to read the compass as fast as the loop allowed, about 3ms. also found that I needed to stick an abs() in...

Oh good catch! it's only the 2xaa bat wire but still might be enough to be messing with things, would also explain why it's intermittent. oh hell yes. I'm pretty pleased with that little project too. note that it's only the red front bit in these pictures that I've printed on this, redesigning...

Thanks John. Yeah I guess cutting away the molding on the usb jack could work too. It seems I'm often getting the same reading from the compass all the while it's spinning around in circles. I'm wondering if it maybe too close to the rest of the electronics and maybe getting caught in an em...

This rainbow mess of wires is my current T3 project: Initialy I had problems with the reversing track coming off the wheels when doing full speed turns on grippy surfaces, the tracks were too loose, so I printed a new front axle holder with two hex screws which push agansed the front axle and...

Also, the pictures only show if you're registered and logged in! Edit: Oh you noted that, heh. *duh*