ScottLabs

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Open-source, self-hosted Arduino, Raspberry Pi, and ESP32 simulator. cnx-software.com/2026/04/04/vel… Like the Wokwi project, Velxio simulates popular development boards right in your web browser. But the difference is that the open-source project can be self-hosted, running on your own machine. The project currently supports 19 boards and 48 components. Other highlights include support for multiple boards (e.g., Arduino connected to ESP32) and full QEMU emulation support for ESP32 and Raspberry Pi 3 (Linux).

@davidliuxyz Beautiful!

real-time inventory, amazing

@VadimStrizheus You can have unlimited tokens too if you build your own cnn and a really strong GPU.

The only difference between you and Tony Stark is that he had unlimited API tokens.

Love that I'm finding so many people interested in learning hardware. This tool looks really awesome and I highly recommend simulating your projects before even breadboarding them.

@JoelFagnan @DabsMalone There's the million dollar idea. If someone can streamline setups you would see manufacturing productivity takeoff like crazy.

@DabsMalone I'm just jealous. Setups are so annoying

Machinists after you say anything positive about 3d printing😭

@photoncmndr Yeah if you could find a good microprocessor supplier from the USA to compete with STM32 then the manufacturing wouldn't even be that hard. I've seen home made CNCs fabricate custom PCB boards. youtu.be/Hm_JrACrmVs?si…

@ScottLabs We have chip fabs, make it happen on the whole supply chain of the board.

We need American made ESP-32s ASAP!!!!!

@WesleyP91308 @geerlingguy I think most of the insanity is coming from the microcomputer market which is what Raspis typically are. Their price increases are insane. 2020 taught me to build whatever I can on a microcontroller before needing a microcomputer due to the craziness of the market.

@geerlingguy did a video today on how the microcontroller market has lost its mind

@photoncmndr @WesleyP91308 Yeah DFRobot has become my new go to place for microcontrollers outside of China although I can't complain about the Chinese microcontrollers. @seeedstudio has been killing it

@ScottLabs @WesleyP91308 Oh yeah no I'm never buying another Arduino again and everything else is too expensive or Chinese

Machine monitoring Rapsberry Pi's Who's got em without being outrageous? Claude will one shot the code via SSH, so I will build myself I dont care.

@photoncmndr @KevinRBing Forgot to mention my devices are open hardware to so you can mod it to your needs as well.

Nice that doesn't sound too bad. I'm sure I will be buying my own devices and deploying them. I have Claude with an SSH token with full access into my pi 4 that is currently automating my house. It has never been easier. I will be revoking that token obviously after I'm done developing.

@photoncmndr @KevinRBing If you want to use my device let me know. Maybe we could work out a case study deal so you don't have to pay for it.

@photoncmndr @WesleyP91308 Raspi Pico W I say that because of all the bs the Arduino foundation has been on over the last year.

@ScottLabs @WesleyP91308 What's your favorite non Chinese microcontroller

@photoncmndr I wouldn't sleep on ESP32s but I get it's a personal decision. The devices I built collect data without WiFi and you can just export the data on the utilization of a time study session on Excel or CSV. If you need help let me know!

I would use an esp32 but I'm not putting that hardware inside of my network anywhere. Yes I wholeheartedly agree that her raspberry pi is overkill. Heck I'll use a pie zero w just for the form factor. I built whole factory andon systems with esp32s as well as Wi-Fi motion detection before that last big library came out.

@WesleyP91308 @photoncmndr I've built devices using microcontrollers that sense a variety of different information about industrial equipment. Let me know if you need any help!

@photoncmndr If you find out let me know

@KevinRBing @photoncmndr I sell devices that collect utilization completely free of SaaS for $200. Just buy the device and collect raw data to be exported via Excel or .CSV Keep your device and data forever. The SaaS is only an upcharge for clients wanting advanced solutions. scottlabsai.com/uno

@photoncmndr I don’t have the energy to do it but someone has to break up the $1000/machine/year mafia

@Dylan_Morri Amazing! Would love if someone came to my home state and gave these archaic power gen companies a run for their money.

So who's in with me?

@zachglabman @ycombinator True if huge

Some personal news Excited to share I joined @ycombinator’s recent batch to build ai agents for selling ai agents to factories. Instead of building for manufacturers, why not build ai tools for the guys who are trying to sell them ai tools? our b2b2b2b SaaS model is already generating 500m ARR. Picks and shovels 🙏

🚨 Microsoft just open sourced a voice AI that was too dangerous to keep live. They took it down. Added watermarks and safety controls. Then re-released it. For free. It's called VibeVoice. Microsoft's frontier open source voice AI. Clone any voice from 10 seconds of audio. Generate 90 minutes of multi-speaker conversation. Real-time streaming. All running locally on your machine. No ElevenLabs. No $99/month subscription. No per-minute pricing. Here's what this thing does: → Text-to-speech that sounds indistinguishable from a real human → Generate up to 90 minutes of audio in a single pass → 4 distinct speakers in one conversation with natural turn-taking → Clone any voice from just 10 seconds of audio → Real-time streaming TTS. First audio in ~200 milliseconds. → Speech-to-text that processes 60 minutes of audio in one pass → Identifies who said what and when. Speaker labels + timestamps. → Supports 50+ languages for transcription → Custom hotwords for names, technical terms, domain-specific accuracy Here's the wildest part: Give it a podcast script. It generates a full multi-speaker conversation that sounds like two real humans talking. Natural pauses. Emotional nuance. Turn-taking. 90 minutes. One command. Microsoft had to take this repo down once because people were misusing it for deepfakes and disinformation. They brought it back with embedded watermarks, audio disclaimers, and safety controls. That's how powerful this is. A $3 trillion company built it. Released it. Pulled it. Fixed it. And gave it back to the world. ElevenLabs: $99/month. Play.ht: $39/month. Amazon Polly: pay per character. This: Free. Local. MIT License. 23.5K GitHub stars. 2.6K forks. Backed by Microsoft Research. 100% Open Source.