Phone Tone Decoder for Arduino & Other Microcontrollers
Compact sensor sized board for decoding DTMF phone tones from any audio sourse. Ideal for remote control applications. Uses the MT8870 all-n-1 IC. 4 outputs corresponding to the HEX binary code for the 4X4 (0-9, A-D, * and #). 3.5mm input jack for the audio, 1X9 0,1 pitch header for power & all signals. LEDs on all Outputs. Sample software available at http://arduinobasics.blogspot.com, www.arduino.cc.en and others on-line. L: 1-1/16 W: 15/16 H: 1/2 WT: .01
WARNING: This product can expose you to chemicals including Nickel which is known to the State of California to cause cancer and which is known to the State of California to cause birth defects and/or other reproductive harm. For more information, go to www.P65Warnings.ca.gov
Click to see Why is this here?
As of August 2018 the State of California has changed the requirements of the Prop 65 law. We now must list on our website any possible chemicals the can cause cancer, birth defects or reproductive problem.
As an example:
ABS plastic contains styrene
PVC wire insulation can contain Di(2-ethylhexyl)phthalate (DEHP)
electrolytic capacitors can contain Ethylene glycol
Brass can contain Lead
flame retardant pc boards can contain Tetrabromobisphenol A (TBBPA)
Aluminum alloys can contain Chromium
To put it simply we are a small company and do not have the resources to test every single part, so we list every thing as hazardous. Please recycle all electronic parts responsibly and under no circumstance eat, drink or smoke these parts and wash your hands after touching!