On Mar 1, 2011, at 2:58 PM, Bach wrote: > Hello, > > I just did a simple experiment of the tmote sky, or telosB, to measure its > current consumption when the radio transmission power is set at different > level. > I changed the makefile "CFLASS += -DCC2420 DEF RFPOWER” to different value > and > did observe the change in communication range, which means the transmission > power was changed. However, the total current consumptions were almost the > same > (both around 18mA). (The way I measure the current is by cascading a small > resistor to the power supply (10 ohm). )
What is your sampling frequency? You might just be observing the receive power draw, which is independent of transmit power, or the sum of receive and transmit, with transmit being a very small fraction (spending most time in receive). Phil _______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
