The Sensor Network Museumtm - Tmote Sky
Manufacturer documentation: Moteiv Tmote Sky
Ultra low power IEEE 802.15.4 compliant wireless sensor module based on a TI MSP430 and Chipcon CC2420 radio. Also named Telos B.
Features
- TI MSP430F1611 microcontroller at up to 8 MHz
- 10k SRAM, 48k Flash + 1024k serial storage
- 250kbps 2.4 GHz Chipcon CC2420 IEEE 802.15.4 Wireless Transceiver
- On-board humidity, temperature and light sensors
- Ultra-low current consumption
- Fast wakeup from sleep (<6usec)
- Programming and interface via USB
- Serial ID chip
- 16-pin expansion port
- 32x80 mm
Power Consumption - Typical Operation
| Tmote Sky a | |
|---|---|
| Battery Supply | 2xAA cells or USB |
| Minimum Vin | 2.1 V ( min. 2.7V during flash programming) |
| Battery Capacity | 2900 mAh |
| Regulated Supply | internal linear regulator for CC2420 radio at 1.8V |
| uC sleep with timer on | 0.0153 mW b |
| uC active, radio off | 5.4 mW |
| uC active, radio idle listening | 65.4 mW |
| uC active, radio TX/RX | 58.5 mW |
| Max. Power (uC active, radio TX/RX + flash write) | 69 mW |
a typical datasheet values as reported for the whole system (computed at 3.0V)
b wakeup from internal timer only