Due to the internal construction of SSRs ... there is a voltage drop across the semiconductors inside the solid state relay, whereas a mechanical relay is just a conductor when active.

The solid state relay market growth is primarily driven by the growing adoption of automation across various industries. The ...

But what if all you have on hand is an ESP8266? [TechColab] needed to control a solenoid valve with a short pulse via a solid-state relay (SSR) but found that the trusty 555 timer was tricky to ...