final year masters project in UK... ive already done alot of the work for it, i have a visual basic application i built to communicate hex numbers to two recievers (wired at the moment) and the reciever PIC's processes what ive sent, and decides how bright each output should be ... (240AC powered bulbs)
At the moment i want to use 12v BULBS to test it all out on, at the moment i have pics controlling outputs on or off via visual basic...
im doing the power side of the circuit and playing with TRIACS... im getttin out my depth in terms of power electronics, i hope i can get help here...
any1 had use of ZERO CROSS DETECTORS... i.e. circuitry to let me know when the AC signal passes zero, i want this to interrupt my pic and then start a timer (dependant on brightness value) and turn on the triac after this delay
and also bridge rectifiers... some ckts i see 4 diodes and some are 2... i want the ac signal to be sent to a 5v reg...after a transformer giving me ~10v ac...to 5v dc...
any help?
At the moment i want to use 12v BULBS to test it all out on, at the moment i have pics controlling outputs on or off via visual basic...
im doing the power side of the circuit and playing with TRIACS... im getttin out my depth in terms of power electronics, i hope i can get help here...
any1 had use of ZERO CROSS DETECTORS... i.e. circuitry to let me know when the AC signal passes zero, i want this to interrupt my pic and then start a timer (dependant on brightness value) and turn on the triac after this delay
and also bridge rectifiers... some ckts i see 4 diodes and some are 2... i want the ac signal to be sent to a 5v reg...after a transformer giving me ~10v ac...to 5v dc...
any help?