(1) 0.91” OLED Module: DTMF display can display up to
32 characters (16 per line).
(2) It can auto clear on a timed basis(6 seconds) from
receipt of the last character.
(3) It can display DTMF SET (0,1,2,3,4,5,6,7,8,9,*
,#,A,B,C,D).
(4) The product needs to be assembled and soldered by
yourself.
(5) Power Circuit (Vin=7V~16V,10mA)
BOM List:
Item |
Quantity |
Note |
IC MCU |
1 |
DIP 16 |
IC MT8870 |
1 |
DIP 18 |
OLED |
1 |
0.91” |
78L05
|
1 |
TO-92 |
Crystal
3.58MHz |
1 |
|
100K Resistor |
2 |
1/8W,100K~150K |
390K Resistor |
1 |
1/8W,330K~390K |
100uF |
1 |
10uF/47uF |
0.1uF
|
3 |
104 |
PIN
Header |
1 |
|
PCB
|
1 |
33 x 39
mm. |