Hello everybody,
I am new in forum and I am not an electronic engineer. I am a physicist. nowadays I am building a lab equipment including a laser pointer for my experiments. the picture ot the laser pointer is here
I only have one of this laser pointer and it should bear until I finish my experiments. That's why I want to protect it from any current and voltage ripples or any possible effects can cause failure. I am planning to use 2 AAA size battery and a switch. I also measured the current of laser pointer and 30.6mA current flows over the circuit when I connect it to a 3V battery source. I am planning to use a 0.1uF capacitor between the terminals of the batteries.
I am looking for a simple circuit to do the job. I searched in the forum and I saw some masterpiece examples, however, many of them is quite beyond my knowledge.
So, thank you all in advance
I am new in forum and I am not an electronic engineer. I am a physicist. nowadays I am building a lab equipment including a laser pointer for my experiments. the picture ot the laser pointer is here
I only have one of this laser pointer and it should bear until I finish my experiments. That's why I want to protect it from any current and voltage ripples or any possible effects can cause failure. I am planning to use 2 AAA size battery and a switch. I also measured the current of laser pointer and 30.6mA current flows over the circuit when I connect it to a 3V battery source. I am planning to use a 0.1uF capacitor between the terminals of the batteries.
I am looking for a simple circuit to do the job. I searched in the forum and I saw some masterpiece examples, however, many of them is quite beyond my knowledge.
So, thank you all in advance
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