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ASK11 Manual
Soldering Description:
1. Positive 1-9 column for the blue LED, 10 column for the yellow LED, 11 for the red LED;
2. 0805LED positive green point for the negative, PCB front right side for the negative, PCB
bottom next to the LED has positive and negative mark;
3. Please pay attention to the direction of chip welding, the chip on the front of the smallest dot
on the silk dot (chip "STC" text and PCB screen "STC" direction), C1 tantalum capacitor 107
orange bar for +, C1 "+" , USB interface is inserted from the back, crystal regardless of direction;
component soldering correspondence table:
U1
R1-R11
R12-
R20
R21
R22
Q1-
Q11
R23
R24
X1
K1
USB
Name
STC12C5A Resistan
ce 202
Resistan
ce 821
Resistan
ce 101
2TY
Potentiome
ter
Crystal
Key
button
USB
Qty
1
11
9
2
11
2
1
1
1
4. Before PCB installation of the shell please the installation of four pads for matching thickness.
Instructions for use:
1. The display uses a power and audio 2-in-1 input line, USB side for the power supply, 3.5mm
headphone plug for the audio input, your source please used with the included audio splitter
were connected to the audio and ASK11, each is a mono display, you can use two ASK11
composition stereo VU indicator system.
2. The power supply using USB DC 5V power supply, part of the phone charger ripple larger, will
cause ASK110 unordered beating, in case of such a situation, please use the computer USB power
test, if the input floating a slight jump is a normal phenomenon;
3. Please do not directly access the peak level of exceed 5V audio signal, this will damage the
main chip, if you need to connect the speaker please use with high to low or potentiometer
attenuation signal.
4. Behind the two fine-tuning potentiometer can adjust the display amplitude, left channel
adjustment L potentiometer R24, right channel adjustment R potentiometer R23, the default is
the left channel, if your input volume can be adjusted, the general is not recommended adjust
this potentiometer, please adjust the display amplitude by adjusting the input volume.
Key description:
(all adjustment with power-down memory)
Click (Short press):
Display mode adjustment
(Display Mode)
:
Mode 1:
Fan mode
Mode 2:
Pointer mode
Mode 3:
Fan-shaped with peak hold
