How can I convert an audio signal from a phone to 0-5v for a microcontroller?
22729
Level shifting a +/- 2.5V signal to 0 - 5V
129553
5V to 3.3V Level shifting circuit
1828
How do I sample a -2 V to +2 V analog signal with a PIC microcontroller?
34858
Can I direct audio from a single app to a particular output?
148814
Arduino Negative Voltage Reading with Positive Ground
24520
Sine to square wave converter
157849
Can I control voltage of USB data pins?
56981
OpAmp with slightly negative supply for ADC input
88722
How to tell if mains voltage is on with microcontroller?
145553
4-20mA to 0-3V3 Converter
147222
How can I use my Android smart phone as a microphone for my laptop?
31152
Mono jack output to stereo headphones : how to send the mono signal to both sides?
60207
How can i connect my amplifier output to my PC
32052
how to reduce DC voltage using resistors?
64576
Is it possible to connect a USB microphone to an Android phone or tablet?
23083
Logic Levels between 5(V) and 3.3(V) devices
45078
Shifting -5 V to +5 V signal to 0 to +5 V for ADC