http://www.8051projects.net/ Learn to make simple microcontroller projects, pic, 8051, avr and arm projects. download 8051 projects, tutorials, libraries, sample codes. join the microcontroller discussion forum and ask doubts regarding electronics. the best source for 8051 over internet. Thu, 08 Jan 2009 09:34:18 -0800 http://backend.userland.com/rss092 Please!I have one questionHow measurement intensity light?I have LM339 , Cds cell and several resistorsI need converter intensity light Analog to Digi <noauthor@nospam.com> http://www.8051projects.net/forum-t10715.html check its datasheet.. you will get info on how to calibrate it.Second.. use any high resolution analog to digital converter to change the analog o/p o Ajay<contact@nospam.com> http://www.8051projects.net/forum-t10715.html Thank you very muchI get on ADC0804LCN what are ports from 11 to 18, they are Digital?(take 1,0)thank again moon14<balfaraj@nospam.com> http://www.8051projects.net/forum-t10715.html hi moon,yes, the pins 11 to 18 of ADC0804 are indeed digital and are the parallel data lines of the ADC interface to the uC.Before u go any further wi pdi33<islurpundalik@nospam.com> http://www.8051projects.net/forum-t10715.html Dear pdi33,Thanks for more informationI have question I sorry for many questionWhat are Pin (1,2,3,5)?i need more information, please! moon14<balfaraj@nospam.com> http://www.8051projects.net/forum-t10715.html I sorry , i read Datasheetbut not clear for my thanks for help me moon14<balfaraj@nospam.com> http://www.8051projects.net/forum-t10715.html hi mooni think pdi33 has already answered your queries here:also refer to the ADC datasheet and i think a lot of ur doubts would be cleared.Arun Arun Kumar V<nura1002003@nospam.com> http://www.8051projects.net/forum-t10715.html Pin 1 is chip select, when you make this pin low ADC becomes active.Pin 2 is for read signal, making this pin low you can read the data latched on dat Ajay<contact@nospam.com> http://www.8051projects.net/forum-t10715.html