Hello, Any ideas on how to make a DC to AC converter using an Arduino Uno?

30mA is within the capabilities of an Uno pin, so not a problem. Just use the function I suggested.

Okay sure also could you tell me another program with a 9v battery ?

No, no program will allow an Arduino to produce a 9V signal. Arduino pins only output 5V or 3.3V, depending on the model. Uno is 5V. Some external circuit amplifier circuit will be needed to boost 5V up to 9V. The same function can be used.

No i want a 9v battery not the arduino to produce 9v

Alright i will use the samw function thank you so much

[image] Using Operational Amplifiers in your Arduino project General Electronics 8: Example 2. Amplifying a signal from a sensor when it has an offset voltage Many common sensors will produce a voltage that does not "sit" on the 0V rail, as shown in the blue line in this …

I have already made a voltage multiplier from diodes and capacitors but if i understood correctly you just send me one made of resistors?

Not sure what you mean by that. You said you wanted the 9V signal to come from a 9V battery, so I'm not sure why you need voltage multiplier circuit. The link I posted is about operational amplifiers, which you could use to boost the 5V signal from the Arduino up to 9V. According to @johnerrington …

Sorry i just didnt understand this circuit

What circuit? Thanks.. Tom... :smiley: :+1: :coffee: :australia:

Arduino DC to AC

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PaulRB March 26, 2023, 9:24am 27

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Arduino DC to AC

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