Call Redirection
*#61# To check status of redirection of all incoming calls, if there is no answer.
##002# To Cancel redirection of all calls
Showing posts with label pin. Show all posts
Showing posts with label pin. Show all posts
Common GSM Codes or USSD Codes and Their Use
These are some of the common GSM service commands (or service codes), also called USSD (Unstructured Supplementary Service Data) codes and their use.
*#61# To check status of redirection of all incoming calls, if there is no answer.
##002# To Cancel redirection of all calls
*#61# To check status of redirection of all incoming calls, if there is no answer.
##002# To Cancel redirection of all calls
TTL IC PinOuts
I am adding TTL (Transistor - Transistor Logic) IC PinOut diagrams for the ICs 7400, 7402, 7404, 7408, 7410, 7411, 7414, 7420, 7421, 7432, 7442, 7446, 7447, 7473, 7474, 7476, 7483, 7485, 7486, 7490, 7492, 7493, 7495, 74121, 74123, 74138, 74139, 74150, 74151, 74153, 74154, 74155, 74157, 74160, 74162, 74161, 74163, 74190, 74191, 74192, 74193, 74194, 74195, 7488 and 7489. This may be useful for electronics lab for engineering or poly diploma courses. I am adding it as photos here. To download it as pdf, click here.
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