NOVASTAR MRV300-1 led display control system receiving card weight sensor then it's a multiplier

then it's a multiplier

25V~35V continuous adjustable voltage with high efficiency (up to 92%)

Digital 5V

0 – 9V / 1000mAh Step Down Non Transformer

There is an onboard micro-SD card slot

NOVASTAR MRV300-1 led display control system receiving card weight sensor then it's a multiplierIntroduction : NOVASTAR MRV300 1 led display control system receiving card Single card support resolution 256128,200200; Temperature monitoring; Ethernet cable communication status detection; Power supply voltage detection; EU CE EMC & EU UL standard Features : Single card outputs 16 group of RGBR data, can be extended to 32 group; Single card outputs 20 group of RGB data; Single card outputs 64 group of serial data, can be expanded to 128 group;