Precision Clock Mk IV

Precision Clock Mk IV 31 May 2025This page is about the development of the Precision Clock Mk IV. If you would like to buy a precision clock, head to the shop page. For the kit, see the assembly instructions There is also a user manual I designed this clock years ago, with the intention to incorporate every feature request I ever received for the previous precision clock. However, during the pandemic there was a chip shortage, where these STM32 parts became impossible to acquire. Given the amount of work I put into the clock, I didn't have the heart to redesign it using different parts, so instead I put it aside, and never got around to releasing it – until now. Contents Summary The specifications for the clock were as follows: Millisecond precision, with no perceptible jitter Display clearly, without flicker, when filmed at very high framerates (20,000fps or more). The brightness should still automatically adjust, of course, and without the use of PWM Timezone and offset sh ... Read full article.