matta
Well-known member
Hi Guys,
I'm trying my hand at circuit bending an old drum machine (don't ask!) and there is known mod to lower the resistance threshold of a particular resistor to get the circuit to overdrive/distort.
I though it may be cool to do this using an LDR so I can play with light to increase or decrease the distortion color/sound.
I've never used an LDR but understand the basic principal, I just didn't realize the the HUGE variance in resistance they had.
The one I have in full light measures 350R and in total darkness 800K.
The circuit in question requires the value of the resistor to be between 1K5 to 2K2, the lower the resistance the more distortion.
Is there a way to limit the range of the LDR using passive components?
I thought I could parallel a resistor with the LDR and get the MAX resistance down to the 2K2 range, but then it will put the minimum resistance as 0R (I think not even sure this will work).
Any suggestions?
Thanks
Matt
I'm trying my hand at circuit bending an old drum machine (don't ask!) and there is known mod to lower the resistance threshold of a particular resistor to get the circuit to overdrive/distort.
I though it may be cool to do this using an LDR so I can play with light to increase or decrease the distortion color/sound.
I've never used an LDR but understand the basic principal, I just didn't realize the the HUGE variance in resistance they had.
The one I have in full light measures 350R and in total darkness 800K.
The circuit in question requires the value of the resistor to be between 1K5 to 2K2, the lower the resistance the more distortion.
Is there a way to limit the range of the LDR using passive components?
I thought I could parallel a resistor with the LDR and get the MAX resistance down to the 2K2 range, but then it will put the minimum resistance as 0R (I think not even sure this will work).
Any suggestions?
Thanks
Matt