CGCOLORMAX2 has support for interface circuits by just adding DIP sockets and chips. The RS232 circuit of the CGCOLORMAX2. The driver chip is not populated on the CGCOLORMAX2. The chip is through-hole and can be added by soldering it in place. J23 – RS232 (CGCOLORMAX2 connection side) Pin Use 1 TX (CGCOLORMAX2 microcontroller side) 2 … Continue reading CGCOLORMAX2 Interface Circuits