Part two recap: In part two, we studied in-depth about a back gate and how just one gate had given us much information on possible...

Introduction: On March 2007, there was a case (HCPI 511/2005) on the high court between Fanny Ng, the plaintiff, and the Hong Kong Golf...

Attended a show & tell type of seminar about a super long range passive infra-red motion detection device. https://xtralis.com/product_vi...