USB to Serial project
The USB to Serial project is a break-out board for the CP2103 from Silicon Labs.For projects where adapters are not convenient you can use the CP2103. With this break-out board, you have pins for all of the RS232 signals, four GPIO pins and 5 volts, 3.3 volts and ground.[read]
Physical hit counter for website
This is a physical hit counter.It is used to count page-hits on the website instead of using software only.The counter will be connected to rs232 port through a few of electronic components that perform as a counter driver and power supply circuit.[read]