The SI5351 is a programmable clock generator. It can output up to eight unique frequencies at 8 kHz to 133 MHz. This makes it a handy tool for building up RF projects. [Jason]’s breakout board ...

While there’s evidence that some low-cost lighting products made in China are of dubious quality, I have no data, anecdotal or otherwise, on quartz clocks manufactured there. Though if a clock costs ...