Posted in clock hacks Tagged accuracy, clock, gps, microsecond, raspberry pi, real time clock, rtc, time Save Your Original Xbox From A Corrosive Death December 14, 2020 by Lewin Day 21 Comments ...

RTC（Real-Time Clock，实时时钟）电路是常见的电路，其中的晶振标称频率一般为32.768kHz。 下图是 “电路啊”设计的一款电路模块的正反面，其中用到RTC芯片DS1307，使用的晶振是32.768KHz。. 下图是“电路啊” 设计的一款电路板，采用 君正的 主控芯片，该芯片 内含 RTC ，需要 外接 的晶振为 32. 768KHz ： ...

Posted in clock hacks Tagged clock, ds1307, pic, real time clock, volt meter. Auto-locking Pet Door Ensures That Your Outdoor Kitty Obeys Its Curfew. April 4, 2012 by Mike Nathan 26 Comments ...

The Real Time Clock (RTC) SGC22300 uses the leading oscillator solution SGC21510. ... Clock is a full hardware (FPGA) only implementation of a synchronization core allowing to read and write a I2C ...