Microcontroller › 8051 › delay in c › while making a watch better
June 14, 2012 at 10:28 am #8038
while making a watch better choose a RTC like DS1307, which gives accurate output. and if you need 1 sec pulse, that option is also available from the same IC. the only thing is that you need to study I2C protocol for interfacing it, and it is possible with 8051/89c51.