“Brilliant little board, and makes connections to to rgb matrix boards so so easy, which opens up loads of cool looking project, put it on your shopping list A 1 buy”
“The SmartMatrix V4 shield I received was preassembled with low insertion force sockets under the PCB alowing it to be pushed into place in my 32x32LED array. It is also possible to push fit a Teensy 3.6 with headerpins through the PCB into the socket beneath. Power has reverse polartity protection. All worked perfectly first time!”