8 Channel Relay Module 12V High and Low Level Trigger Relay Module 20x4 LCD Display Module (Blue) Low friction operation

Low friction operation

verifying DC power rails in network switches and measuring loop current in analog telephone circuits

Dual-axis magnetic field sensing capability allows detection of both magnetic field strength and directional orientation

The 5-inch LCD HDMI Touch Screen Display is a versatile TFT LCD panel module designed for interactive applications

Battery-Backed Real-Time Clock: Maintains accurate time for up to 10 years during power loss using CR2032 lithium backup cell

8 Channel Relay Module 12V High and Low Level Trigger Relay Module 20x4 LCD Display Module (Blue) Low friction operation8 Channel Relay Module 12V High and Low Level Trigger Relay Module 8 Channel Relay Module 12V High and Low Level Trig This is 8 Channel 12V Solid State Relay Module. A solid state relay (SSR) is just what it sounds like; an IC that acts like a mechanical relay. They allow you to control high voltage AC loads from lower voltage DC control circuitry. They accomplish this by using infrared light as the 'contact,' a solid state relay is really just an IR