Learn how to create a simple DIY LED notification light for your smartphone by repurposing an old earphone jack and an LED ...
In MCU-based projects, this design uses a single push button to switch on and switch off 5-V and 15-V supplies in sequence.
Godox iT32 and X5S & N review. A compact modular TTL flash system with HSS, wireless control, pros, cons, and real-world performance.
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