Hi dev.to, I've been building Nodlyn, a visual workflow builder with one specific obsession: it auto-discovers devices — industrial PLCs, smart home gadgets, whatever's on the network — and lets you wire them into automations without knowing the protocol underneath. The gap I kept hitting Most no-code automation tools (Zapier, Make, n8n) are built for connecting SaaS apps to each other. That's a solved problem. What isn't solved: connecting a Siemens S7 PLC, a Modbus temperature sensor, or...