New Edition with Narration: DIY-Hack A Rotary Old Phone To LED Unit & Cellphone Audio Amplifier. this is the link for the PDF schematic printable: link is on Google Docs, it is safe and clean: goo.gl Here is the text of the Narration if you might have problem understanding my accent or pronunciation: Narration Script of the Rotary Old Phone Hacked to LED & Amp unit. in this project from Samimy productions, i am going to show you how to hack a rotary old phone and turn it to something interesting and useful. ------------------------------------- after opening the case and the handset, we find out there are enough room to receive LEDs, switches, the amplifier and so on. ------------------------------ it is very easy to cut the wires and drill some circles on the handset by the size of 5mm in diameter, depends on the size of LEDs that you might use. ---------------------- for this project i used 10 white LEDs on each of the sets, the speakers and the mic. --------------------------------------- these LEDs have a drop down voltage of 3.4V each and i am using resistors also to prevent over heating the LEDs, ---------------- Each resistor is about 20 ohms. they would let only 20mAmperes of current through LEDs to save batteries. ---------------- then i found a pair of these black small speakers in my junk box, they are actually from an old pc monitor. ------------------ another set of holes to be drilled on each side of the phone-housing, to let the sound out loudly ...
DIY-How-To Hack A Retro Old Phone To LED Unit & Audio Amplifier
Posted Sunday, December 2, 2012 in Amplifier, DIYHowTo by Mary Farrell
DIY-How-To Hack A Retro Old Phone To LED Unit & Audio Amplifier Video Clips. Duration : 2.35 Mins.
New Edition with Narration: DIY-Hack A Rotary Old Phone To LED Unit & Cellphone Audio Amplifier. this is the link for the PDF schematic printable: link is on Google Docs, it is safe and clean: goo.gl Here is the text of the Narration if you might have problem understanding my accent or pronunciation: Narration Script of the Rotary Old Phone Hacked to LED & Amp unit. in this project from Samimy productions, i am going to show you how to hack a rotary old phone and turn it to something interesting and useful. ------------------------------------- after opening the case and the handset, we find out there are enough room to receive LEDs, switches, the amplifier and so on. ------------------------------ it is very easy to cut the wires and drill some circles on the handset by the size of 5mm in diameter, depends on the size of LEDs that you might use. ---------------------- for this project i used 10 white LEDs on each of the sets, the speakers and the mic. --------------------------------------- these LEDs have a drop down voltage of 3.4V each and i am using resistors also to prevent over heating the LEDs, ---------------- Each resistor is about 20 ohms. they would let only 20mAmperes of current through LEDs to save batteries. ---------------- then i found a pair of these black small speakers in my junk box, they are actually from an old pc monitor. ------------------ another set of holes to be drilled on each side of the phone-housing, to let the sound out loudly ...
New Edition with Narration: DIY-Hack A Rotary Old Phone To LED Unit & Cellphone Audio Amplifier. this is the link for the PDF schematic printable: link is on Google Docs, it is safe and clean: goo.gl Here is the text of the Narration if you might have problem understanding my accent or pronunciation: Narration Script of the Rotary Old Phone Hacked to LED & Amp unit. in this project from Samimy productions, i am going to show you how to hack a rotary old phone and turn it to something interesting and useful. ------------------------------------- after opening the case and the handset, we find out there are enough room to receive LEDs, switches, the amplifier and so on. ------------------------------ it is very easy to cut the wires and drill some circles on the handset by the size of 5mm in diameter, depends on the size of LEDs that you might use. ---------------------- for this project i used 10 white LEDs on each of the sets, the speakers and the mic. --------------------------------------- these LEDs have a drop down voltage of 3.4V each and i am using resistors also to prevent over heating the LEDs, ---------------- Each resistor is about 20 ohms. they would let only 20mAmperes of current through LEDs to save batteries. ---------------- then i found a pair of these black small speakers in my junk box, they are actually from an old pc monitor. ------------------ another set of holes to be drilled on each side of the phone-housing, to let the sound out loudly ...
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