The Drop - The Energy Harvester Radio Kit

The first energy harvesting totally battery-less radio application, thanks to the best-in-class power consumption devices currently available in the market.

The DROP is an evaluation kit that includes two different energy harvesting boards, a Solar board (SBN) and the Peltier board (PBN). These boards are equipped with a 2.4GHz radio (802.15.4 ZigBee ready) that permit data transmission wirelessly. A third node (UBN), connected through the USB to a Windows PC, allow reception of all data sent by the other two harvestesting nodes, as illustrated below.

The Drop - The Energy Harvester Radio Kit

All these boards were developed using selected components from Atmel and Linear Technology to demonstrate their low power consumption and their ability to harvest energy via the appropriate transducer.


If you want evaluate or buy TheDrop Radio Kit you can contact our local Arrow Sales office or send an email to

Part Numer: THE-DROP 1.1
Price per unit: 199€

Key features of Atmel

ATMEL ATXMEGA128A3 Microcontroller
Low power, high performance 8-bit AVR microcontroller

  • Very ultra low power modes
  • Run mode 600uA at 2MHz (1.8V)
  • Operating voltage: 1.6V-3.6V
  • Run mode 600uA at 2MHz (1.8V)
  • Event system and DMA
  • Fast 12 bit ADC
  • Usarts, I2C, SPI, Timers, ... 

Datasheet: ATXMEGA128A3

ATMEL AT86RF230 RF Transceiver
Low-power 2.4GHz transceiver designed for low cost IEEE802.15.4, ZigBee, RF4CE, SP100, WirelessHART™ and ISM applications

  • Very ultra low power modes
  • Operating voltage: 1.8V - 3.6V
  • TX mode +3dBm - 16.5mA
  • TX mode -3dBm - 13.5mA
  • Very ultra low power modes
  • Footprint with RF231 and RF212
  • Support for IEEE802.15.4™, ZigBee®, 6LoWPAN, RF4CE
Datasheeet: AT86RF230


High-performance, low-power 32-bit AVR RISC-based microcontroller.
  • 256KB flash memory,
  • 32KB SRAM
  • full-speed (12 Mbps)
  • USB Mini-host + device, and I2S.
  • The MCU achieves 83 Dhrystone MIPS (DMIPS) at 60MHz and consumes only 23mA at 3.3 volts.
Datasheet:  AT32UC3B0256

Key features of Linear Technology

Power management products that convert energy from PhotoVoltaic (Solar)( LTC 3105EDD) and Thermal (TEC, TEG, Thermopiles, Thermocouples) sources (LTC3109EUF ) provide high efficiency conversion to regulated voltages or to charge batteries and super capacitor storage elements.


  • Low Start-Up Voltage: 250mV
  • Wide VIN Range: 225mV to 5V
  • Power Good Indicator
  • Smal Packages
Datasheet: LTC3105


  • Operates from Inputs as Low as ±30mV
  • Less Than ±1°C Needed Across TEG to
    Harvest Energy
  • Proprietary Auto-Polarity Architecture
  • Selectable VOUT of 2.35V, 3.3V, 4.1V or 5V
  • Power Good Indicator
Datasheet: LTC3109


For more information contact your Arrow Customer Representative.

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