Name: Geekstory LED Car Sign, Flexible LED Matrix Panel - 14.6''x3.6'' USB 5V LED Scrolling Sign丨BT Smart APP Control, Custom Text Pattern Graffiti Animation Music Rhythm Display for Car Store
Brand: Geekstory

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★ This relay module can be used not only as a microcontroller development board module, but also as a home appliance controller.
★ The relay module can directly control a variety of equipment and loads, which meets international safety standards, and also has power and relay indicators.
★ 5V - 12 V control signal of the TTL. Control DC or AC signals can control the 220V AC Load
★ Humanized interface design, all interfaces can be drawn out through direct connection terminals, which is very convenient. No need to buy the Jumper Wires extra, this set contains 20cm 20Pin female to female, female to male, male to male Dupont Jumper Wires, with which you can easier to complete the project.
★Increased transistor drive a relay coil, the control pin high impedance. Control pins have pull-down circuit, to prevent floating relay malfunction
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