/challenges-projects/project14/spring-clean/b/spring-clean-projects-2026/posts/building-a-secure-decentralized-smart-home-from-scratch-part-2In Part 1, we built and tested a functional physical prototype. The ESP-NOW mesh network, secured by cryptographic hashing and wired to mechanical relays. But while the prototype functioned, it was still just a bulky bench setup wired on a breadboarden-USTelligent Community 12https://community.element14.com/challenges-projects/project14/spring-clean/b/spring-clean-projects-2026/posts/building-a-secure-decentralized-smart-home-from-scratch-part-2Tue, 02 Jun 2026 19:24:26 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:31937436-d77f-47aa-8151-efa1a766d558DAB0<p>Nice project.</p> <p>Being DIY, you will know how to fix it when it needs upgrades or replacement features.</p><img src="https://community.element14.com/aggbug?PostID=29826&AppID=485&AppType=Weblog&ContentType=0" width="1" height="1">https://community.element14.com/challenges-projects/project14/spring-clean/b/spring-clean-projects-2026/posts/building-a-secure-decentralized-smart-home-from-scratch-part-2Tue, 02 Jun 2026 16:30:30 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:31937436-d77f-47aa-8151-efa1a766d558dougw1<p>Cool project. I like the PCB.</p><img src="https://community.element14.com/aggbug?PostID=29826&AppID=485&AppType=Weblog&ContentType=0" width="1" height="1">