Electronics OxiFine — Smart Pulse Oximeter OxiFine is an open-source Pulse Oximeter device made using minimal components and the simplest design…Admin24.01.2022
Electronics Easy Tube Headphone Amplifier/DAC This is a grounded cathode voltage amp followed by an opamp buffer.The tube stage:The triode…Admin24.01.2022
Electronics Smart Power Saver Switch. No Arduino, Internet or Programming Required The circuit is fairly simple and works as follows:The current consumed by the main load,…Admin23.01.2022
Electronics Your Nautical Barometer Gold for Precise Weather Forecasts We must prepare our female headers parts. For this, you need super glue unless you…Admin23.01.2022