https://calebohara.com Build notes on controls engineering, BAS tools, and offline-first apps. en-us https://calebohara.com/blog/bau-suite https://calebohara.com/blog/bau-suite Tue, 24 Mar 2026 00:00:00 GMT How I built an offline-first project management tool for building automation engineers — with a Tauri desktop app, IndexedDB storage, optional Supabase sync, and a set of engineering tools that belong in the field. https://calebohara.com/blog/ev-reimbursement-v3 https://calebohara.com/blog/ev-reimbursement-v3 Fri, 06 Mar 2026 00:00:00 GMT The EV Reimbursement App got a ground-up redesign — three-step wizard, security hardening, guided tour, dark mode, additional charges, and a polished PWA experience. https://calebohara.com/blog/fieldkit-pro https://calebohara.com/blog/fieldkit-pro Sun, 01 Mar 2026 00:00:00 GMT Starting a new project — a professional field data collection app built for engineers who actually work in the field. https://calebohara.com/blog/compass-behavioral-assessment https://calebohara.com/blog/compass-behavioral-assessment Sat, 28 Feb 2026 00:00:00 GMT I built a behavioral assessment tool that maps how you naturally approach work, people, and decisions — without the corporate fluff. https://calebohara.com/blog/ev-reimbursement-v2 https://calebohara.com/blog/ev-reimbursement-v2 Sat, 28 Feb 2026 00:00:00 GMT The EV Reimbursement App got a full rewrite — modular architecture, billing history, rate presets, receipts, trend charts, and PWA support. https://calebohara.com/blog/ev-reimbursement-app https://calebohara.com/blog/ev-reimbursement-app Fri, 27 Feb 2026 00:00:00 GMT How I built a privacy-first tool to help Siemens employees calculate and report home EV charging costs for their work vehicles.