SimmStick and other PCB Prices . Free Local And International Air Mail Postage. Voltage regulator in TO-220 case. 1 by Suitable heat sink for above Regulator. DC Input plug.
Provision is made to fit larger caps if required.
In most cases, the 1000UF cap is fine. Adds a nice finish. It may also pay to install a 16 pin socket for the Max-232, as you may have to remove it for some configurations. The unused pins of the Max-232 have been brought out to pads. The TTL levels are found at header J1.