Checked voltages on all MAX3232 pins and found as per the logic that is input voltage is 3.27v. C1 & C2 at 5.95v & -5.53v respectively. When I connect DB9 male to USB converter to the onboard DB9 ...

Other devices have RS232 ports, usually either DB9 (PCs, enterprise-class network hardware) or RJ45 (Cisco). In order to be ready to connect a laptop to any encountered device, one's commando kit must ...

The PCB has been designed to take both sizes of the pro-micro also it has the option to use headder pins for both the buttons and controller ports for internal mounting compile and upload ...