The Sensor Network Museumtm - Mica2Dot


Manufacturer documentation: Crossbow Mica2Dot

Based on Atmel AVR and Chipcon CC1000.


  • >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

 Mica2Dot a
Battery Supply1 coin cell
Minimum Vin2.7 V b
Battery Capacity560 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
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