ncd-red-pca9536 (npm): This library provides a class for the PCA9536, it relies on the ncd-red-comm library for communication, and includes a node-red node for the PCA9536. The PCA9536 is an 8-pin CMOS device that provides 4 bits of General Purpose parallel Input/Output (GPIO) 
Keywords: PCA9536|ncd|relay-control|i2c|i2c-device|node-red|nodejs|pca9536