lumen has full second development protocol

if you have some LED projects need to do second development

Lumen controller is the best choice

controllers being widely used in bus sign,station sign, traffic sign parking sign, PLC control ,etc

if you have a project, which need to use protocol to control,

can provide your protocol to us, will forward to  Lumen team to ask them to check and delelop it

or if you know code, can download lumen protocol and develop it yourself.