Flux | Design PCBs with AI
@BuildWithFlux
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Build PCBs with Flux Copilot, an AI teammate that can review designs, read datasheets, and even route your board 🧑🚀 Sign up at https://t.co/JpF44cfnjI
San Francisco
Joined July 2020
Hardware just got a little less hard. See how Flux reduces busy work, keeps your team in sync, and gives you AI superpowers.
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We're having a partial Copilot outage and you may see intermittent errors in Chat. If you do get an error instead of a response, no AI credits will have been used. Retrying your message may help. We hope to have a complete fix soon. Meanwhile, sorry for the inconvenience.
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The next level of autonomy in hardware design is coming. Sign up for the private beta now. https://t.co/djBNoeK9O1
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This is a big step toward AI as a true design partner. One that understands context, constraints, and consequences. 🧠 Try GPT-5 inside Flux → https://t.co/GOs6aTnY8o
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Finally, it proposed a shippable solution: A topology that fit the BOM, met constraints, and passed validation with no changes to the microcontroller firmware.
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It warned about nonlinear traps too. Explaining how thermal ramps and high-gain feedback would break stability under real-world load. Then offered real workarounds.
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It also pulled from embedded systems knowledge, and explained how to keep the loop linear using embedded-friendly compensation tactics.
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Then it proposed a safer baseline: Use an isolated switching supply with a PMOS. No loop injection. Just a stable, working fix.
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It flagged that the proposed opto-driver idea would break loop integrity, and explained why.
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It even read the datasheet and identified why the COMP pin solution wouldn’t work. Then it explained the issue clearly, factoring in loop response, isolation, and debugging.
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Most AI tools can’t handle real-world electronics. Flux GPT-5 can. It turned strict voltage + thermal constraints into a working architecture.
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This is the biggest update in years for electronics engineering. GPT-5 is now in Flux. Here’s how it solved a real hardware problem: 🧵
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✅ How to switch: 1. Update your Pico SDK 2. Rebuild your firmware 3. Swap in RP2350 A4 Your project gets better performance & reliability with zero major redesign.
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The upgrades aren’t just physical. Improved security, fixed GPIO leakage bugs, and more reliable 5V GPIO tolerance.
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📌 Pinout changes? Not really, most of your existing designs will drop right in without a reroute.
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🔍 How to spot it: The marking reads RP2350 A4 instead of A2. Small change on the chip, big change in capability.
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The RP2350 just leveled up. 🚨 This is the A4 stepping, now officially 5V compatible, more secure, and ready for your next design. 🧵 Here’s what’s changed:
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GPT-5 is now in Flux 🚀 — early beta! Open a project → select “Next-gen” from the model picker → ask it something ambitious. We wired this up over the weekend, and it’s already delivering sharper reviews, smarter fixes, better plans. Push it. Break it. Tell us where it
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Already cooking up ideas? Start building with the Nano R4 today. We’ve got free project templates ready: https://t.co/80bxWsjEwG
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⏱️ Built-in RTC with battery backup. 🌈 RGB LED. It’s like Arduino finally said: “Let’s give makers everything they’ve been asking for.”
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🔌 USB-C, Qwiic connector, CAN bus, SPI, UART, I²C, PWM, DAC… Yeah, it’s stacked. This board is ready for IoT, automation, or wearable builds.
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