Embedded firmware
Bring up your board, integrate its peripherals, and build the application logic that makes the product work.
EMBEDDED ENGINEERING STUDIO
From the first bit
to the real world.
Full product development, with firmware at the core. We connect hardware design, embedded software, and the cloud to bring your idea into the real world.
HARDWARE TO CLOUD. BUILT AROUND YOUR PRODUCT.
SMALL DEVICES.
REAL-WORLD POSSIBILITIES.
REAL-WORLD POSSIBILITIES.
HardwareFirmwareCloud
HARDWARE / FIRMWARE / CLOUDSCROLL TO EXPLORE
End to endHardware, firmware,
software, and cloud
Chip → cloudOne connected
engineering perspective
Built. Tested. Explained.Clear milestones and
a practical handoff
FROM SIGNAL TO EXPERIENCE
See the whole
product come together.
Every layer has a job. Select a block to see how we connect it to the next.
A physical connection to the world.
Sensors, interfaces, power, and board design turn your requirements into a working electronic system. Hardware and firmware are developed together, so the interfaces work on the bench and in the product.
The intelligence inside the device.
Firmware reads inputs, controls outputs, manages timing, and keeps the product responsive. We build the drivers, real-time logic, and recovery behavior that connect the electronics to the product experience.
Keep the right things connected.
Wireless links and gateways carry useful device data and commands. Provisioning, authenticated messaging, and reconnection behavior make that connection part of the product, not an afterthought.
Give every device a place in the system.
Cloud services receive telemetry, organize device state, and connect the product to other systems. We design the device-to-cloud contract so both sides agree on identity, messages, and expected behavior.
Put the product in people’s hands.
Dashboards, control interfaces, and setup tools turn system capability into something people can use. Product software gives users a clear view of device status and a practical way to act.
Illustrative architecture. Shaped around your product.
Process it in firmware01 / WHAT WE DO
One product.
Every layer connected.
Bring us an idea, a prototype, or an existing product. We can own the development journey or work on the part your team needs most.
Hardware design & bring-up
Turn product requirements into schematics, component choices, and PCB designs. Bring the board up with its firmware and validate the interfaces together.
Embedded Linux & gateways
Make the gateway fit your hardware. Adapt board support, integrate services, and resolve networking and interface problems.
Connectivity & cloud integration
Connect your product over BLE, Wi-Fi, or mesh. Build provisioning, authenticated cloud messaging, and device state reporting into the same experience.
OTA & product reliability
Build update and recovery paths, diagnose crashes, and fix the memory, timing, and persistence issues that surface on real devices.
Product software & engineering tools
Make the hardware useful to people. Build desktop applications, device dashboards, serial integrations, and tools for setup and testing.
FIRMWARE THROUGH ITS LIFECYCLE
Built to evolve.
Designed to recover.
A firmware update is more than an upload. We connect transfer, validation, boot behavior, and recovery into a considered product workflow.
Explore the engineeringTransfer or
validation issue?
validation issue?
Start with a known release.
Build an image for the intended hardware and define its version, validation rules, and release package. The device needs a clear way to recognize an appropriate update.
Expect an imperfect connection.
Transfer the image within the device’s memory and storage limits. Track progress and design retry behavior so a dropped connection has a planned response.
Check before you switch.
Validate the staged image before handing control to the update mechanism. Integrity, authenticity, hardware compatibility, and available storage are considered in the product’s update design.
Bring the product back online.
Install and start the intended firmware, check the boot result, and restore the required device state. A complete update includes the product returning to useful service.
Make failure a designed path.
An interrupted transfer, invalid image, or failed boot needs an explicit recovery plan. Depending on the hardware and bootloader, this can mean a retry, retaining the current image, or returning to a known-good release.
Illustrative flow. Recovery depends on the product design.
Prepare the firmware releaseDESIGNED FOR CONNECTED PRODUCTS
Build for what comes next.
Edge-to-cloud systems
Local device control, useful cloud data, and recovery when connections drop.
Remote monitoring
Device telemetry, status reporting, and dashboards that make equipment easier to understand.
Secure device lifecycle
Device identity, signed firmware updates, and recovery designed into the product.
Modernization & automation
Refresh legacy firmware, connect existing equipment, and automate repeatable hardware checks.
02 / ENGINEERING IN PRACTICE
Real devices.
Real engineering challenges.
A closer look at the challenges we help product teams solve.
01
FIRMWARE / WIRELESS / CLOUD
Connecting a new generation of devices.
Embedded firmware, Wi-Fi onboarding, cloud provisioning, and compatibility with existing devices.
02OTA / MEMORY / RECOVERY
Making firmware updates work in the real world.
Working within memory limits, recovering interrupted transfers, and validating the complete update path.
03EMBEDDED LINUX / FIELD DIAGNOSTICS
From a recurring crash to a verified repair.
Reproducing a gateway failure, tracing memory ownership, and testing against the original trigger.
These anonymized examples draw on prior engineering work to illustrate our technical approach. They are not presented as Tethrio Technologies client engagements.
03 / HOW WE WORK
A clear path.
From idea to integration.
Full product development or a focused piece of engineering. Either way, you know what we’re building, how we’ll test it, and what you’ll receive.
Understand the product.
Agree on requirements, hardware constraints, interfaces, and success criteria. Identify the risks before committing to a build.
Build in working steps.
Connect hardware design, firmware, and software through practical milestones. Review progress against the agreed scope.
Test on real hardware.
Check the normal path and the awkward ones: resets, dropped connections, update interruptions, and resource limits.
Make the next step clear.
Deliver the agreed source, build instructions, design files, and validation notes. Plan further integration or ongoing support.
04 / ABOUT TETHRIO
Built around
the whole product.
PRODUCT ENGINEERING / HARDWARE TO CLOUD
Tethrio Technologies is led by Jay Panchal, an embedded systems engineer with experience across firmware, hardware bring-up, wireless connectivity, and cloud integration. LinkedIn ↗
We provide product engineering services focused on embedded solutions and connected products, bringing hardware design, firmware development, product software, and cloud integration into one coherent development process.
Firmware sits at the center of our work. Around it, we connect the electronics, communication protocols, applications, and services that make a product useful and maintainable.
Our approach is practical: understand the requirements, build in clear milestones, validate on real hardware, and make the handoff useful to the people who will maintain the product.
Hardware → firmwareELECTRONICS & BOARD BRING-UP
REAL-TIME EMBEDDED SOFTWARE
REAL-TIME EMBEDDED SOFTWARE
Device → cloudWIRELESS & EDGE SYSTEMS
APPLICATIONS & INTEGRATION
APPLICATIONS & INTEGRATION
05 / BEFORE WE BEGIN
A few good questions.
Can you develop the complete product?
Yes. We offer hardware design, embedded firmware, product software, and cloud integration. We define the scope around your product, with firmware as a core strength. Hardware fabrication, specialist certification, and other external dependencies are agreed during scoping.
Can you work with our existing hardware or code?
Yes. A project can start with a new concept, an existing prototype, or a product already in the field. For an existing system, we first review its architecture, build process, and the issue you need to solve.
What should we share for an initial discussion?
A short product description, the target hardware or MCU, the current development stage, and your main challenge. Include the outcome and timing you have in mind. We can agree on confidentiality before reviewing sensitive design files or source code.
How do remote projects and freelance platforms work?
We agree on communication, milestones, hardware access, and acceptance checks at the start. If you found us through a freelance platform, you can share your brief and continue the discussion there using that platform’s process.
06 / LET’S MAKE IT WORK
What are
you building?
A new product, a connected prototype, or a stubborn firmware issue. Tell us where you are and what needs to happen next.
connect@tethrio.com
Tethrio Technologies product engineering.
Hardware, firmware, software, and cloud integration
Found us on a freelance platform? You can copy your brief and send it in your existing conversation there.