DFRobot Crystal Oscillator Pack - FIT0295 16x2 display DTMF (Dual Tone Multi-Frequency) is

DTMF (Dual Tone Multi-Frequency) is a telecommunications signaling method that uses a combination of two sinusoidal frequencies to generate a dial tone

8" TFT 320x240 + Capacitive Touchscreen for Raspberry Pi

while maintaining or stepping up the current

delay(200)

proximity sensing

DFRobot Crystal Oscillator Pack - FIT0295 16x2 display DTMF (Dual Tone Multi-Frequency) isThis crystal kit include 7 common value crystals. If you do not sure what crystal you may need, get this package of all most common values for your next project. Very handy for experiments and home cooked circuit board. SPECIFICATION 32. 768K cylindrical type (3*8) Other 6 kinds is 49S size SHIPPING LIST 6MHZ x5 8MHZ x5 11. 0592MHZ x5 12MHZ x5 16MHZ x5 20MHZ x5 32. 768KHZ(3*8) x5