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Energy Harvesting Microcontrollers are changing the world in so many amazing ways - the way our homes are built, how we go about exercising and planning our diets to how we shop for stuff, and everything in between. In this post, we check out some of the coolest use-cases for energy harvesting microcontrollers across various sectors and industries. 

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Beyond Batteries: How Energy Harvesting Microcontrollers are reshaping IoT

Senior Content Manager

Abishek Swaminathen

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We live in perilous times - there’s simply no two ways about it. Never before has the world faced such gargantuan challenges as it does today. We live on the precipice of a great crossroads moment in history - the choices we make in this time are going to have a huge impact on the future of our planet and all life on it. 

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Solving Our Biggest Global Challenges With Batteryless IoT Technology

<div class="raw-html-embed"><iframe width="100%" height="100" frameborder="no" scrolling="no" seamless="" src="https://elevenlabs.io/player/index.html?publicUserId=6c21a9b7ad57703231dc05932a21048d408feec7404ccb881f833127d05d8391&amp;projectId=PEQDaPRkJ7lrxeNlVTUz&amp;small=true&amp;textColor=rgba(0,%200,%200,%201)&amp;backgroundColor=rgba(245,%20245,%20245,%201)"></iframe></div><p>From healthcare to agriculture and everything in between, there is no field of human enterprise today that has not benefited in some way from this IoT revolution. IoT sensors confer a huge array of capabilities to systems in which they are deployed, enabling functionalities and features that were previously unheard of.&nbsp;</p><p>In this post, we’ll explore a trend that is quite possibly the biggest thing to happen in the world of IoT in its brief history - batteryless IoT.&nbsp;</p><h2>IoT technology in a nutshell</h2><p>IoT technology essentially works by taking a bunch of sensors which are all designed to gather various kinds of data from their environments and connecting them together as part of a highly capable network.&nbsp;</p><p>This is the basic schema that underlies pretty much any IoT solution - the nature of data gathered and the sophistication of the backend systems might change - but this is the basic blueprint.&nbsp;</p><p>This is probably the simplest way to understand why IoT technology is finding the sort of universal acclaim and acceptance that it is - deploying large numbers of sensors within any environment allows us to track various parameters within that environment in real-time. Armed with these large data-rich sets, we are then able to tweak the various decisions that are made at various levels of the system’s operational hierarchy.&nbsp;</p><p>Let’s take the example of a smart building - these buildings are equipped with sensors that are able to track variables like temperature and ambient humidity in real-time, allowing for automated climate control that makes for incredible energy savings. This is a classic example of using big-data to design better systems and in turn, cut down on resource expenditure.&nbsp;</p><p>This model can be scaled up or down and made to order based on the particular use-case. The sky is truly the limit for the kinds of applications that can be spawned from this basic framework. Today, the market bears testament to this immense range of IoT technology - we have all sorts of cheap, robust sensors that are purpose-built to track various kinds of parameters. The key point here is that we have been able to bring the average <a href="https://www.iofficecorp.com/blog/cost-of-iot-sensors"><u>price</u></a> of these sensors <a href="https://www.onio.com/article/financial-side-of-batteryless-sensors.html"><u>down</u></a> by quite a significant chunk from where they were just a decade ago.</p><h2>Powering a trillion sensors</h2><p>Today, IoT is going <a href="https://www.onio.com/article/batteryless-microcontrollers-future-of-iot.html"><u>batteryless</u></a>. This is monumental for a number of reasons which we’ll look at a little later. Until recently, the IoT industry was left with no choice but to use tiny batteries to power node devices. However, this came with a laundry list of problems - firstly, there was the <a href="https://www.onio.com/article/environmental-cost-of-batteries.html"><u>environmental</u></a> impact. Batteries are notoriously harsh on the ecosystem and to make matters worse, they also have a spotty human rights record. Perhaps most importantly however, they presented a huge logistical challenge. Batteries were a huge limiting factor on where sensors could go. There was also the cost of maintenance and battery replacements which ate into profit margins.&nbsp;</p><p>When <a href="https://www.onio.com/article/what-is-energy-harvesting.html"><u>energy harvesting</u></a> powered sensors first entered the market, they were seen as nothing short of revolutionary. Energy harvesting essentially means collecting stray electromagnetic energy from the surroundings and converting into usable wattage. As of today, there are a number of different energy harvesting methods used in IoT products - RF energy harvesting, solar energy harvesting, piezoelectric energy harvesting etc. Energy harvesting allows small IoT devices to be self-powered and completely eliminates the need for batteries.&nbsp;</p><p>Batteryless sensors come with a serious list of advantages over their traditional, battery-powered competitors. Firstly, they are cheaper to build around - because they eliminate the need to design around a battery, they account for a significant cutdown on bill of material costs. They’re also much easier to maintain because they don’t require battery replacements. This allows for a wider range of use-cases, allowing for sensors to be deployed in remote or hard to reach locations - places where battery replacements would simply be untenable - like inside the human body or large-scale factory equipment.&nbsp;</p><p>This was a huge bottleneck that IoT technology had to contend with in its early years. Innovations were stymied by this battery bottleneck and the technology couldn’t really be developed to its full potential. Energy harvesting based solutions changed this landscape and flipped it on its head - with batteryless IoT, a large part of the challenges that held IoT’s growth thus far would be circumvented. With batteryless, the Internet of Things could now truly spread its wings and take off.&nbsp;</p><h2>Green IoT</h2><p>We are in the midst of an ecological crisis today. Human population on earth is well past the 8 billion mark and it’s not going to slow down anytime soon. Water pollution, soil desertification, air pollution, climate change, food shortage, deforestation and mass extinction are just some of the issues that we face as a global unit.&nbsp;</p><p>There seems to be a good level of awareness among today’s public that decisive action is required from us if we are to meet these challenges and overcome them.&nbsp;</p><p>In this context, batteryless IoT has emerged as a powerful tool in our hands. In addition to being a much more eco-friendly option, batteryless sensors are also being used as part of other solutions aimed at promoting sustainability and reversing environmental damage.&nbsp;</p><p>As we scramble to find newer and more optimised ways of structuring the environment around us, batteryless IoT is going to play an increasingly important role in our lives. Let’s take the example of smart homes from a sustainability perspective - a home equipped with a batteryless IoT solution would have various kinds of dedicated sensors that work together with a backend artificial intelligence to track all sorts of parameters such as ambient temperature, humidity, movement etc. This allows the system to detect aberrational patterns and actuate interventions that promote sustainability.&nbsp;</p><p>For example, <a href="https://www.onio.com/article/global-energy-crisis-underway-iot-can-help.html"><u>energy</u></a> shortage is a major challenge that we are facing today. Most energy in the world is still produced from oil and gas. A lot of the energy that we generate goes to waste, as it is transmitted from the plant to our homes. Batteryless IoT can be used in smart homes along with other smart, IoT-equipped devices such as smart lights etc to track power consumption in real time and cut down on avoidable energy waste.&nbsp;</p><p>The same principle can also be applied in industrial settings to make sure that we don’t lose precious resources any more than we have to.&nbsp;</p><h2>Looking ahead</h2><p>Batteryless IoT is taking off in a massive way and it looks like this trend isn’t going anywhere anytime soon. Today, batteryless sensors are being featured in all kinds of solutions like health monitors, smart farms, <a href="https://www.onio.com/article/what-is-predictive-maintainance.html"><u>predictive maintenance</u></a> systems, smart homes etc.&nbsp;</p><p>Energy harvesting has emerged as the gold standard for powering IoT node devices and this is allowing batteryless IoT to grow even faster than expected. As more research is done on energy harvesting solutions, we’ll probably be able to take even larger devices off the grid - we don’t know how long it will take but it’s definitely a sign that bodes well for the future of life on this planet.</p>

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Over the past decade, we’ve all seen how dramatically IoT-enabled connected technologies have changed the entire tech landscape. Today, IoT sensors are being deployed in all kinds of objects, bringing about an age of unprecedented connectivity and seamless data-transfer. 

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Batteryless IoT - What It Is And Why It Matters

<h2>The Environmental Consequences of Batteries in IoT Devices</h2><p>IoT devices are transforming our world. But behind this revolution is a significant environmental concern: batteries. Did you know that around 28 billion batteries, weighing a staggering 1.7 million tonnes, are discarded globally each year? These numbers, drawn from the US Environmental Protection Agency, highlight the vast environmental footprint of batteries. From mining metals like cobalt and lithium to end-of-life disposal challenges, batteries have a problematic life cycle.</p><p>Commonplace lithium batteries entail harmful extraction processes that demand vast amounts of water and energy. Furthermore, the key metals in these batteries are finite resources. For instance, the global demand for cobalt is predicted to surpass supply by 64 kT in 2030. Recycling solutions seem promising for large batteries, but smaller ones, frequently found in consumer electronics, face disposal issues as they predominantly end up in landfills.</p><p>The bottom line is evident: batteries are detrimental to the environment, endangering habitats and compromising the health of communities worldwide. As a result, removing them from IoT devices becomes a pressing priority.</p><h2>The ONiO Solution: Going Green</h2><p>Enter ONiO.zero, a transformative solution that aims to replace battery-powered microcontrollers in IoT devices. By doing so, it significantly reduces the environmental burden posed by batteries. As per ONiO's analysis, the environmental savings accrued from powering IoT devices with ONiO.zero instead of lithium batteries are compelling.</p><p>But the benefits don't stop at direct environmental savings. By promoting the adoption of self-powered IoT systems, ONiO also envisions vast indirect environmental advantages:</p><div class="raw-html-embed">

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                                        <b>Smart Buildings &amp; Homes:</b> Energy-saving measures in smart buildings can reduce emissions by as much as 88 MTon of CO2-equivalent annually in Europe.
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                                        <b>Freight Transport &amp; Logistics:</b> Transforming this sector with ONiO's battery-less tags can result in a CO2 reduction of 22 MTon annually in Europe.
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                                       <b>Precision Agriculture:</b> Utilizing ONiO's technology in precision agriculture might save up to 39 MTon of CO2-equivalent emissions per year in Europe.
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                                </ul>                          </div><p>Collectively, these three sectors alone could save 149 MTon CO2-equivalent annually in Europe. Extrapolate this potential to a global scale, and the impact is monumental.</p><h2>In Conclusion</h2><p>ONiO champions the cause of energy harvesting technologies that eliminate the need for batteries in small IoT devices. Besides direct environmental benefits, these technologies can catalyze the wider adoption of IoT solutions, enhancing efficiency and sustainability across sectors. Imagine a world where we save enough lithium for 13 million Tesla cars and cut CO2 emissions equivalent to all cars in Germany – that's the potential ONiO brings.</p><p>You can download the full whitepaper here for those keen on diving deeper.</p><div class="raw-html-embed"><a href="https://hubs.ly/Q020dXXB0" class="resource resource--black"> <span class="d-block resource__heading">Download the Whitepaper</span> <span class="d-block resource__icon"> <span class="iconLink iconLink--arrow iconLink--arrow--oval iconLink--arrow--small"><svg width="21" height="21" viewBox="0 0 21 21" fill="none" xmlns="http://www.w3.org/2000/svg" class="svg">
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In an era of technological wonders, the incessant quest for sustainable innovation often remains overshadowed by immediate advancements. But, as the digital revolution paves the way for the Internet of Things (IoT), there emerges a silent environmental adversary: batteries. The seemingly small components that power countless devices play a daunting role in environmental degradation. Here's an in-depth look into the alarming consequences of batteries in IoT and the potential path towards a greener horizon.

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A great deal of Green!

Runar Finanger

ONiO is an IoT company specializing in crafting self-powered microcontrollers that run on nanowatts harvested from their surroundings.

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ONiO is a fabless IoT company specialising in batteryless microcontrollers that run on energy harvesting. We are deeply committed to crafting viable clean-energy solutions for IoT devices, breaking them free from the battery. ONiO.zero can use virtually any RF, thermal, solar, piezo signal as a power source. 

ONiO

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Get clued in No battery No waste Smaller Bill Of Material Zero battery. Zero maintenance.   IoT Unshackled Redefining Retail with
Batteryless ESLs The future is self-powered  What's next?  Energy Harvesting Everything IoT About ONiO Join us ONiO - The future is batteryless Get started What is energy harvesting? Join our team of innovators Invest in us Learn More Learn More  ONiO.zero is an easy to use batteryless, wireless microcontroller powered entirely by ambient energy. That's what we call sustainable technology. Instead of playing with pennies - we turned to the dollar. We integrated radio, mcu, memories and PMIC in a single package.  Slashes number of service requests. Essentially, zero maintenance required. Now that’s something your customer wants to hear.  IoT liberated from the battery. There’s just no telling how far IoT can go when you break the chains of the battery. Our batteryless ESLs – the perfect blend 
of sustainability, efficiency, 
and technology. ONiO.zero is the first of its kind wireless microcontroller powered entirely by energy harvesting.

ONiO is a fabless IoT company specializing in batteryless microcontrollers that run on ambient energy. ONiO.zero can use virtually any RF, thermal, solar, piezo signal as a power source. Our aim is to unshackle one IoT device at a time from the battery, en route to a 100% battery-free IoT future. Our product offers manufacturers a more minimalist, user-friendly, economical and environmentally sustainable power solution for IoT devices. 

  Looking for a green deal? Our valued partners Q1 2017 Q2 2018 Q3 2021 2023 Domain experts Devoted and engaged Related Pages About Us Products Invest in us Engage with ONiO Funding Timeline Register your interest Who are we looking for ?  [object Object] Brilliant minds and good ideas need to come together if we are to solve big problems. We understand this! We respect and value the domain expertise and industry experience that an investing partner will bring to the table. When you invest in ONiO, you are not just investing in our product but in us. As an investor, you will be an integral part of the ONiO family – your strategic inputs, network, industry expertise and passion for what we’re doing will be welcomed and cherished.

For us, it’s more than just numbers on a sheet of paper.  SME Instrument, Innovation Norway, and Forskningsrådet have helped mitigate the risks of undertaking broader and more ambitious development efforts. Besides the evident financial support, ONiO is honoured to be selected as one of the most innovative companies in Europe. Register your interest to take part in our forthcoming Series A funding round. Contact us for more information. Pre Seed Seed Bridge Series A Do you love taking on new and exciting challenges? Do you share our passion for environmental sustainability and technology? Are you willing to take risks in the pursuit of something incredible? Then, you’re our kind of investor!

When you invest in ONiO, you are not just investing in our product but in us. As an investor, you will be an integral part of the ONiO family – your strategic inputs, industry expertise and passion for what we’re doing will be welcomed and cherished.

ONiO - Invest in us

<p><strong>OSLO, NORWAY, July 07, 2021 -</strong> At ONiO, we are committed to advancing semiconductors and championing sustainability. Much as we’d all like to live in a greener world, good intentions are simply not enough. We’re not going to build a more sustainable world unless we harness the power of our tech tools and channel them in the right way.</p><p>This is exactly what we’ve been trying to do at ONiO at every step of the way -find the best ways to use the immense potential of IoT technology towards creating more positive outcomes for ourselves and our planet.</p><p>That’s why we’re super pumped to announce the launch of our batteryless Electronic Shelf Labels (ESLs). Excuse us for saying so ourselves, but these futuristic little things are nothing short of groundbreaking - they are 100% self-powered and need zero batteries.</p><p>Here’s why that’s pretty neat - traditional shelf labels typically use two coin cells each. A typical convenience store uses about 6000 of these - that’s 12,000 coin cells regularly being dumped into oceans and landfills just from one convenience store! Scary right? That’s why we think our batteryless ESLs are revolutionary - with these labels; there’s just no question of batteries. In one fell swoop, they prevent hundreds of thousands, if not millions of batteries from ending up as toxic waste.</p><blockquote><p>At ONiO, we always knew that meaningful sustainability requires more than just talk; it's about setting tangible goals and meeting them. By offering retailers a viable and reliable batteryless option, we’re essentially doing just that - taking a decisive step towards a world with little less toxic waste!<br><br>- Kjetil Meisal, CEO</p></blockquote><p>It doesn’t stop there either - because they don’t need battery replacements, these labels save retailers a whole bunch of time and money while also making for an engaging and futuristic in-store experience for the customer. Because they’re batteryless, they allow for a sleeker design which in turn slashes BOM costs.</p><p>Our ESLs are built around the incredible ONiO.zero, the world’s most energy efficient batteryless microcontroller. ONiO.zero harvests ambient energy from radio waves and light. This signifies that these innovative devices will operate effectively even in low-light environments, such as the bottom store shelves, all while eliminating the inconvenience associated with battery replacement.</p><p>Alright here’s more - these ESLs also integrate seamlessly with our all-inclusive gateway solution giving you full warehouse coverage.</p><p>We think ONiO’s batteryless ESLs are nothing short of a landmark in sustainable tech - A no-nonsense eco-solution that actually brings value to the table for both retailers and consumers. Retailers can now enjoy a more sustainable, reliable solution, while customers benefit from real-time pricing and inventory updates. In short, what we’re trying to say is, everybody wins!</p><p>For more information about ONiO's batteryless ESLs, visit onio.com or contact Pedro Guimaraes.</p><div class="raw-html-embed"><a href="https://youtu.be/T_9ZYJWSIlU" class="resource resource--black"> <span class="d-block resource__heading">Watch the<br>Demo Video</span> <span class="d-block resource__icon"> <span class="iconLink iconLink--arrow iconLink--arrow--oval iconLink--arrow--small"><svg width="21" height="21" viewBox="0 0 21 21" fill="none" xmlns="http://www.w3.org/2000/svg" class="svg">
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</svg></span> </span> </a></div><h3><br>About ONiO</h3><p>Headquartered in Oslo, Norway, ONiO is an innovative fabless IoT company focused on developing advanced batteryless microcontrollers powered by ambient energy. Our mission is to revolutionize the IoT landscape by delivering clean-energy solutions that liberate devices from the constraints of traditional batteries. ONiO.zero, our line of versatile batteryless general-purpose microcontrollers, can efficiently harness power from a wide range of sources, including RF, thermal, solar, and piezo signals.</p><p>At ONiO, we envision a future where IoT devices are 100% battery-free, contributing to a more minimalist, user-friendly, cost-effective, and environmentally sustainable ecosystem. By providing manufacturers with groundbreaking power solutions, we strive to transform the way IoT devices are designed, deployed, and maintained, one device at a time.</p><p>For more information, please visit our website at www.onio.com, join our community, and follow us on social media to stay up-to-date with the latest product developments and company news. Together, we can build a more sustainable future through innovative IoT technology.<br>&nbsp;</p><p>&nbsp;</p>

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ONiO Unveils Batteryless Electronic Shelf Labels (ESLs), Ushering in a New Era of Retail Technology

ONiO.zero Get started with ONiO.zero Want to talk? Why we made ONiO.zero Benefits Energy Harvesting Key Features Want to talk? Environmental Benefits ONiO.zero A miniaturised green powerplant One Chip Many Benefits Small Chip. Smaller BOM. Zero battery. Zero maintenance. IoT Unshackled Ambient Energy More with batteryless MCU Radio Peripherals Memory Energy source Operation conditions Material Savings (Kilo Tons) The planet says Thank you! Scarce Supply Unsustainable ONiO.zero is a tiny wireless microcontroller that is designed to replace the battery in the devices around you. ONiO.zero is one small step into the promising world of self-powered sensing, heralding a greener future. Think of it this way - ONiO.zero is a micro-powerplant that sits unobtrusively in your device, powering it for life! Not only do you get better performance, more flexibility and substantial usability gains - It’s also way easier on your pocket. Instead of playing with pennies - we turned to the dollar. We integrated radio, mcu, memories and PMIC in a single package.  Slashes number of service requests. Essentially, zero maintenance required. Now that’s something your customer wants to hear. IoT liberated from the battery. There’s just no telling how far IoT can go when you break the chains of the battery. Grafted on a 4mm² piece of silicon, you have electrical circuitry to accumulate even the smallest amounts of energy. This nano sized power house enables you to execute programs, connect to external sensors, and communicate wirelessly. A goldmine waiting to be tapped. ONiO.zero is a milestone in utilising renewable energy to power microelectronics -  a future where RF, solar and thermoelectric energy is harnessed and put to work for us! Based on expected number of IoT devices in 2035 Batteries are bad for the planet - period. There’s no two ways about it.They destroy habitats, pollute our waters and decimate the health of entire communities!Energy harvesting and self-powered sensing have got to be the way forward for the Internet of Things. RISC-V 16/32-bit architecture (RV32EMC). High code density with compressed instructions. 3.3V 32MHz, 1.0V 6MHz, 0.8V 1MHz. 450-800mV Asynchronous operation from ROM/RAM. Crystal-less BTLE transmitter. Programmable output power (-40 to 0dBm). PA supports operation down to 850mV - 0dBm.  Industry Standard I2C, SPI and UART. Asynchronous AES module for encryption/hash generation. GPIO with asynchronous interrupt/wake up. Programmable current source. Biasing external sensors. 1KB of mask ROM (stdlib, math etc). 2KB RAM. 8/16/32KB ULP Flash. 100k Writes. Read supported down to 850mV. Internal RF Rectifier:
Multi frequency 800/900/1800/ 1900/2400MHz bands (ISM and GSM) supported. 
Internal Power Factory:
Voltaic cells down to 400mV (DC) Solar, piezoelectric and thermal (1.8V to 3.6V) Operating voltage: 450mV - 3.3V. Operating frequency: Asynchronous to 32MHz. Operating temperature: -40 to 85°C (Industrial grade). ESD protection HBM > 2kV; latchup > 100mA. Demand for Cobalt will outstrip supply by the year 2030 - Cobalt is an essential component in the batteries that power our modern day consumer electronics. A move to energy harvesting will reduce our dependence on non-renewable minerals such as LIthium, Cobalt, Manganese etc. There’s a massive humanitarian cost to every single battery that we use and throw - Lithium and Cobalt mining leave thousands of children sick for life and devastates entire communities in South America and Africa. Progress simply can’t be this loopsided and cruel. 

ONiO.zero is a tiny wireless microcontroller that is designed to replace the battery in the devices around you. ONiO.zero is one small step into the promising world of self-powered sensing, heralding a greener future. 

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