lowcost
Building a low-cost, precision digital oscilloscope – Part 2
Editor’s Note: In this DI, high school student Tommy Liu modifies a popular low-cost DIY oscilloscope to enhance its input noise rejection and ADC noise with anti-aliasing filtering and IIR filtering. Part 1 introduces the oscilloscope design and simulation. This part (Part 2) shows the experimental results of this oscilloscope. Experimental Results Three experiments were…
Building a low-cost, precision digital oscilloscope
Editor’s note: In this DI, high school student Tommy Liu modifies a popular low-cost DIY oscilloscope to enhance its input noise rejection and ADC noise with anti-aliasing filtering and IIR filtering. Part 1 introduces the oscilloscope design and simulation. Part 2 will show the experimental results of this oscilloscope. A digital oscilloscope is one of…
Shein hit with consumer protection action in EU as bloc unboxes strategy to tackle low-cost ecommerce risks | TechCrunch
Chinese ecommerce and fast fashion giant Shein is facing fresh scrutiny in the European Union in relation to consumer protection rules following the launch of a coordinated action by the bloc’s Consumer Protection Cooperation Network (CPCN). The action is being conducted with reference to the EU’s Unfair Commercial Practices Directive, Consumer Rights Directive, Unfair Contracts…