The Sensor Network Museumtm - Mica2

Mica 2

Manufacturer documentation: Crossbow Mica2

Based on Atmel AVR and Chipcon CC1000.

Features

  • >1yr battery life on AA batteries
  • 433, 868/916, or 310 MHz multi-channel radio transceiver
  • Light, temperature, RH, barometric pressure, acceleration/seismic, acoustic, magnetic, GPS, and other sensors available

Power Consumption - Typical Operation

 Mica2 a
Battery Supply2xAA cells
Minimum Vin2.7 V b
Battery Capacity2000 mAh
Regulated Supplyno
uC sleep with timer on0.054 mW
uC active, radio off36 mW
uC active, radio idle listening66 mW
uC active, radio TX/RX117 mW
Max. Power (uC active, radio TX/RX + flash write)165 mW
a typical datasheet values (power consumption computed by individual summation of system core, flash memory and radio component values at 3.0V).
b operation from rechargeable cells (Vcc=2.4V) unreliable