Everactive launches batteryless IoT devkit using Evernet low-power protocol

batteryless IoT devkit

Everactive has launched a batteryless IoT devkit to let engineers evaluate its ultra-low-power energy harvesting solution and the Evernet wireless protocol for the “Hyperscale” Internet of Things.

The kit is comprised of two environment sensors (ENV+ Eversensor) with a low-light photovoltaic harvester, one USB Evergateway, and an unlimited number of accounts to the Everactive developer console for data visualization.

ENV+ Eversensor
ENV+ Eversensor

The ENV+ Eversensor features temperature, humidity, and pressure sensors, as well as a 3-axis accelerometer, supports the Evernet IoT protocol, and instead of using a battery for power, the device relies on a photovoltaic cell that provides enough energy for continuous data streaming to the USB gateway at a rate of once every 15 seconds.

The public details about the development kit are rather light, but developers will have access to a developer console for data visualization, the ability to sandbox data & add virtual sensors, as well as access to an API, webhooks, and MQTT data integration.

Everactive Console
Everactive Console


Everactive claims its ultra-low-power (ULP) receiver delivers a 1,000x reduction in power consumption compared to some of the best COTS receivers available to date. The ULP receiver is said to consume only 200 nanowatts when active, while Bluetooth or Zigbee receivers typically consume significantly more.

ULP Radio solutions chart
Everactive’s ULP receivers comparison to published research results in terms of active power and sensitivity

It appears the low power is achieved with one radio handling network synchronization, coupled with an off-chip sub-GHz radio to transmit bidirectional data using a protocol based on 802.15.4. Most LPWAN standards require the chip to be in sleep mode most of the time, wake up regularly, and transmit data if needed, while the Everactive chip can stay awake at all times to perform time synchronization.

Evernet vs Zigbee BLE LoRaWAN
Evernet vs Zigbee vs BLE vs LoRaWAN vs NB-IoT vs Sigfox vs Symphony Link vs Mioty vs WirelessHART. Source: Everactive

The Evernet Sub-GHz network offers a range of up to 800 feet (around 250 meters), supports several thousand nodes per gateway, and can achieve up to 0.25 Mbps data rate per node. The company also highlights the need to move to batteryless solutions for large scale IoT networks, as otherwise trillions of wireless sensors would need trillions of batteries, and millions of battery replacements each day.

The batteryless IoT devkit is available for pre-order now for $599 with BATTERYLESS20 coupon and is expected to ship next month (November 2022). The press release may have a few more details.

Via Hackster.io

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