VGA – Video Tester with PIC16F84
Download Project Files: VGA – Video Tester with PIC16F84 Source: RadioKot
Universal Ding-Dong
Universal Ding-Dong The circuit may use the (original) bipolar version of the 555 timer IC, or its more recent CMOS equivalents. If a CMOS equivalent is used, standby current is likely to be below 2mA. That is, an AA alkaline battery pack would last about two months on standby. For longer periods, a regulated power [...]
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