Hardware Startups with Fexingo: Devices, Robotics, and Manufacturing Tech Companies

Episode 54 of Hardware Startups with Fexingo dives into thermal interface materials (TIMs) — the unsung heroes of heat management in compact devices. Lucas and Luna explore why TIMs matter more than ever as hardware shrinks and power densities climb. They break down the differences between thermal pastes, gap pads, and phase-change materials, using real-world examples like a drone startup that avo...

In episode 53 of Hardware Startups with Fexingo, Lucas and Luna drill into the overlooked discipline of high-speed PCB design—where a few millimeters of trace routing can make or break a prototype. They anchor on the specific case of a medical-device startup whose Wi-Fi radio kept failing EMC testing because of a 3 mm stub on the antenna feed line. Lucas explains why signal integrity matters for a...

Episode 52 of Hardware Startups with Fexingo dives into flexible printed circuits (FPCs) — the bendable, space-saving alternative to rigid PCBs. Lucas and Luna explain why startups in wearables, robotics, and medical devices are turning to FPCs, using the example of a smart ring startup that cut its device thickness by 40 percent. They break the trade-offs: lower per-unit cost at scale but higher...

Most people think soldering is just soldering — but for hardware startups building devices that combine through-hole and surface-mount components on the same board, selective soldering is a game-changer. In this episode, Lucas and Luna walk through a real case: a startup making industrial sensors that needed to manually solder a high-power connector onto an otherwise automated SMT board. They brea...

In Episode 50, Lucas and Luna explore how hardware startups use jigs and fixtures to achieve repeatable assembly without expensive automation. They break down a real-world example: a two-person startup producing 500 sensor units per month with a custom alignment jig that reduced assembly time by 40% and eliminated a common rework loop. The conversation covers the difference between jigs and fixtur...

In this episode of Hardware Startups with Fexingo, Lucas and Luna explore why bare-metal programming is making a comeback among early-stage hardware startups. They break down how skipping an operating system can cut boot times from seconds to milliseconds, reduce bill-of-materials costs by eliminating the need for high-end microcontrollers, and give engineers full control over power consumption. L...

In this episode of Hardware Startups with Fexingo, Lucas and Luna explore how open source hardware is helping startups cut development time and costs by leveraging shared designs. They dive into the RISC-V instruction set architecture as a case study, explaining how startups avoid ARM licensing fees and customize chips for specific use cases. The discussion covers practical examples like the HiFiv...

In this episode of Hardware Startups with Fexingo, Lucas and Luna dive into vibration analysis — a critical but underappreciated technique that hardware startups use to catch failures before they happen in the field. Lucas explains how a small robotics startup used a $400 accelerometer and open-source software to identify a resonance issue in their motor mount that would have caused premature bear...

Episode 46 of Hardware Startups with Fexingo dives into Design for Assembly (DFA) — the discipline of designing a product so it can be assembled in fewer steps, with cheaper labor, and less rework. Lucas and Luna break down a real-world case: how a smart-lock startup cut its per-unit assembly cost by 38% just by eliminating six screws and swapping two parts. They walk through the DFA principles th...

In this episode, Lucas and Luna explore how hardware startups use modular design to reduce cost, accelerate production, and adapt to market changes without redesigning the entire device. They break down the modular approach used by the smart-lock startup August Home and the robot maker iRobot, comparing it with integrated design. Lucas explains how a modular architecture can cut time-to-market by...

Today Lucas and Luna dive into conformal coating—a thin protective layer that hardware startups apply to circuit boards to shield them from moisture, dust, vibration, and corrosion. They explore why a small robotics startup that skipped this step suffered a 12 percent field failure rate in humid environments, and how a drone company used selective coating to cut warranty claims by 80 percent. They...

Episode 43 of Hardware Startups with Fexingo dives into a hidden hero of rugged device design: potting compound. Lucas and Luna explore how early-stage hardware startups are using epoxy and urethane encapsulation to protect electronics from moisture, vibration, and thermal shock—without a cleanroom or million-dollar budget. The episode centers on a specific case: a 2025 agtech startup that potted...

Episode 42 of Hardware Startups with Fexingo explores how startups are using injection molding simulation software to avoid costly mold rework and slash time to market. Lucas and Luna walk through how a real smart-lock startup saved 14 weeks and $85,000 by running mold flow analysis before cutting steel. They compare the upfront cost of simulation licenses versus the hidden costs of failed mold tr...

Lucas and Luna explore how hardware startups use accelerated life testing (ALT) to compress years of wear into weeks, catching failure modes before products ship. They break down the math behind the Arrhenius equation and the ten-degree rule, using real examples from a smart thermostat startup and a drone company. The hosts explain how ALT allows small teams to generate reliability data in months...

Episode 40 of Hardware Startups with Fexingo dives into ultrasonic welding, a technique that uses high-frequency vibrations to join plastics without glue or fasteners. Lucas and Luna explore how a startup building medical devices cut assembly time by 70% and saved $0.12 per unit by switching from screws to ultrasonic welds. They also discuss the upfront cost of equipment, the trade-offs with rewor...

In this episode of Hardware Startups with Fexingo, Lucas and Luna break down the often-overlooked challenge of radio frequency certification for connected devices. Using the example of a smart thermostat startup that blew its launch timeline waiting on FCC testing, they explain why RF certification can cost $50,000 to $150,000 and take 12 to 20 weeks, and how pre-certified modules like those from...

USB-C has become the universal connector for modern gadgets, but for hardware startups, adopting it is more than just a convenience—it's a strategic decision that affects design, manufacturing costs, and user experience. In this episode, Lucas and Luna examine how early-stage hardware companies are navigating the transition to USB-C, from power delivery negotiations to data protocol compatibility....

In episode 37 of Hardware Startups with Fexingo, Lucas and Luna dive into a surprising cost trap that kills young hardware companies: paying for a real-time operating system before you need one. Lucas walks through the case of a smart-lock startup that saved $240,000 in licensing fees by switching to FreeRTOS — an open-source kernel that handles task scheduling, memory management, and interrupt ha...

Episode 36 of Hardware Startups with Fexingo explores the hidden risks of sharing your design with a contract manufacturer. Lucas and Luna walk through a real case: a Texas-based robotics startup that lost its competitive edge when a C-M copied its motor controller. They break down three practical protections — split-bom sourcing, firmware locks, and staged releases — that cost little but safeguar...

In this episode of Hardware Startups with Fexingo, Lucas and Luna explore how early-stage hardware companies are turning to precision machining to compress timelines and avoid costly production missteps. They walk through a concrete case: a robotics startup that used a local CNC shop to cut tooling lead times by eight weeks, saving nearly $200,000 in delayed launch costs. The conversation covers w...

In this episode of Hardware Startups with Fexingo, Lucas and Luna dive into how hardware founders are using crowdfunding not just for capital, but as a rigorous market validation tool. They dissect the case of the Flow Hive, a beekeeping startup that raised over $13 million on Indiegogo in 2015, and contrast it with the 2023 failure of the Skarp laser razor, which raised $4 million but never shipp...

When hardware startups prototype, they often design for perfect function, not for production. That leads to costly redesigns and delays later. In this episode, Lucas and Luna unpack a concrete case: a small robotics startup that slashed its production cost by 30% by making one simple design change — swapping a custom-machined bracket for a stamped metal part. They explain the concept of 'design fo...

In this episode of Hardware Startups with Fexingo, Lucas and Luna explore how early-stage hardware companies are using thermal imaging to catch overheating components before they cause field failures. They dive into a real case: a smart-lock startup that discovered a voltage regulator overheating during a 72-hour burn-in test. Lucas explains how a $300 thermal camera saved the startup from a $500,...

Episode 31 of Hardware Startups with Fexingo dives into a critical but often overlooked challenge: supply chain risk. Lucas and Luna explore how a 2026 landscape of geopolitical tariffs, semiconductor lead times, and component shortages forces hardware startups to rethink procurement. They examine the case of a robotics startup that survived a capacitor shortage by dual-sourcing from a Japanese an...

Episode 30 of Hardware Startups with Fexingo tackles one of the most overlooked engineering challenges in connected devices: cables. Lucas and Luna explore why USB-C hasn't fixed the mess of chargers, data cables, and proprietary connectors that trip up hardware startups. They break down the physics of cable design — gauge, shielding, and power delivery — and explain why even a 10-cent difference...