The circuit also comes with a TTL to USB adapter wire for easy connection to a computer or microcontroller
Serial port circuit(with protection)
Product features:
USB Host Shield is an add-on board for Arduino development platform and contains all of the digital logic and analog circuitry necessary to implement a full-speed USB peripheral/host controller with your Arduino
Rated Current In (A): 16A/20A/25A/63A
YRSP-A12 AC Surge Protection Device 2P 20-40KA Iimp:7kA T1+T2 Analog Key The circuit also comes withYRSP A12 AC Surge Protection Device 2P 20 40KA Iimp: 7kA T1+T2 YTTS1 C40 series surge protection device (in short SPD, alias: surge suppressor surge arrester) is suitable for TN S, TN C S, TT, IT etc.. , power supply system of AC 50 60Hz,<380V, installed on the joint of LPZ1 or LPZ2 and LPZ3. It's designed according to IEC61643 1, GB18802. 1, it adopts 35mm standard rail, there is a failure release mounted on the module of surge protection device,