The Energy Harvesting Reference Design illustrates how to use an Si1012 wireless microcontroller in an extremely low power wireless sensor application. The system consists of two hardware components: a Wireless Sensor Node powered by a solar cell, and an EZRadioPRO USB dongle. Energy produced by the solar cell is stored in a thin-film battery. The sensor node measures temperature, charge level on the thin-film battery and light level. This data is then sent wirelessly to a USB adapter connected to a Personal Computer where it is displayed graphically.
Sensor board: Si1012 wireless SoC and solar cell USB wireless dongle: C8051F342 microcontroller and Si4431 radio chip Programmable carrier frequency range: 240 to 960MHz ISM band Sensor Node current (not transmitting): 50nA Energy storage life (no light): 7 days Working light level: 200 to 10000lx Application: Batteryless remote sensing for the Internet-of-Things (IoT)
Supplied with
EZRadioPRO USB Dongle, ToolStick Base Adapter, 1m USB extension cable, Wireless Development Suite (WDS) software