The onboard screen of a mobile power station

Posted Sep 6, 2026

Seven views, their states and their assets, integrated into the machine's firmware. The ECHO-5 V1 carried the inverter's own control screen: complete, but complex and unrelated to the brand. For the V2 the engineering team changed the hardware and handed me the new display, a 5-inch touch LCD driven by an ESP32. The usage context is unforgiving: a site operator, often wearing gloves, reading from a distance, from full sun to shade. On an LCD, contrast is a physical constraint before it is an aesthetic choice. Full case study: iliesallali.design/en/case-echo5.html