Wednesday, 23 April 2014

(Ab)using CurrentCost dev boards part 4

Last time around, I'd managed to get as far as starting and stopping the transmitter. I also alluded to the fact that it was slightly more difficult than I'd expected! I also needed to tap the receiver in order to see what's going on! First thing, in order to be able to see that we've transmitted valid data, we need to be able to receive. The CurrentCost EnviR base is already set up correctly for receiving, which should make life easier. So, we need to take the receiver apart and see what we can find.

Hacking a ScoutGuard camera - part 3

In the previous posts [1] [2] I mentioned that the ultimate goal was to load modified firmware on to the device and one possible route would be via JTAG. It was hoped that the test points in the bottom left corner would provide JTAG access: