This 32x16 red/green LED dot matrix by Sure Electronics integrates HT1632 drivers chips. These info boards can be used to display digits, letters and even graphs. It is allowed to connect up to 2 boards of the same kind in series for wider applications such as info display in stores, household, live feeds from different sources.
Features
Size: 128.27 (L) X 81.30 (W) X 23.84 (H)±0.2mm
HT1632C-based 32*16 LED dot-matrix info board
Light-emitting diameter: 3mm
16-level PWM brightness control
Either one of the two 16-pin male sockets can be used to connect drive board, which powers the 32*16 LED, as well as send data and control signal in a SPI-like mode
Two +5V auxiliary power supply terminals provided.
Up to 2 boards are recommended to connected in series to display more characters