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HP 70 Magenta / Yellow Printhead Compatibility HP Designjet Z2100/Z3100 Series / Photosmart Pro B9180 Printers
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When connected to an Arduino
• iPhone 5 / 5c / 5s
4 × Setscrews
1 Watt Audio Amplifier Module Kit Doorbells & Chimes HP 70 Magenta / YellowAssembly Required This tiny PCB measuring only 56(L) x 16W(mm) incorporates all the electronics for a 1 Watt amplifier. 6 to 9VDC operating voltage, 50mV input sensitivity, 8 ohm output and 20 to 25000Hz output frequency. Optional connection for a 10k ohm 100K ohm logarithmic potentiometer (not included) for adjustable volume control. Build this kit in minutes! Kit supplied with PCB and all electronic components. Suitable power supply required extra
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