Hello! I am a student working on a portable laser project. The laser is going to be powered by two lithium-ion batteries at 3.4A capacity and 3.7 Nominal voltage (4.2 charging voltage cut-off and 2.5 discharging voltage cut-off). I'm using voltage regulators to step up or step down voltages for...
I am trying to make a second monitor out of my old laptop screen. I have the control board already and it works, but I want to make it more compact. The screen takes a 12V power supply to power it, but I want to make it powered by plugging it into the USB port on the computer. My idea was to get...
So I have a project I'm working on a project to light these "NFC fingernail lights":
They light up when in the presence of a 13.56MHz RFID field. The issue is other than my phone, I have no way to light them day to day.
I would like to develop a device I can hold, like fist semi closed and it...
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