ICStation GY20971-1 Скачать руководство пользователя страница 1

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ICStation Bluetooth Audio Amplifier Electronic Kit

1. Description:

The sound quality of this Bluetooth kit is excellent and it comes with sound spectrum

rhythm lights, making it a truly unique and fun product. Perfect for home, school or
hobbyists for soldering practice.

2.Parameter:

1>.Work Voltage:DC 5V
2>.Work Temperature:-25

℃

~85

℃

3>.PCB Board Size:65x49mm
4>.Shell Size:70x70x80mm
5>.Speaker Power:4ohm 3W

3.Circuit and Diagram

Содержание GY20971-1

Страница 1: ...ooth kit is excellent and it comes with sound spectrum rhythm lights making it a truly unique and fun product Perfect for home school or hobbyists for soldering practice 2 Parameter 1 Work Voltage DC...

Страница 2: ...2 4 Components Layout...

Страница 3: ...m at R3 10K at R4 R5 33K at R6 The resistors are regardless of direction The color ring readings of the color ring resistors are shown in the figure below If the resistance value cannot be determined...

Страница 4: ...4...

Страница 5: ...HT6872 Note there is a small pit on the chip when installing and the direction is consistent with the figure below Step 3 Install Ceramic monolithic capacitors Monolithic capacitors have no distincti...

Страница 6: ...citors at C2 C3 C4 C5 C6 C7 Note The long leg of the electrolytic capacitor is the positive pole and the short leg is the negative pole On the corresponding installation position of the circuit board...

Страница 7: ...7 Step 6 Install blue and white adjustable resistors The blue and white adjustable resistor RP2 is used to control the display range of the LED volume column...

Страница 8: ...e side with the square pad on the side is connected to the first pin as shown in below picture Step 8 Install in line LEDs Note The long leg of the light emitting diode is the positive pole and the sh...

Страница 9: ...used as the audio signal input port When the Bluetooth signal is not connected the audio signal can be input from the following port to make the speaker sound Step 10 Install the Dial Potentiometer Th...

Страница 10: ...10 Step 11 Installing the key switch Key switch for power switch Step 12 Install Tact Switch The touch switch is used for Bluetooth module functions such as volume song selection and other functions...

Страница 11: ...ring terminal marked with 5V and GND is connected to the power supply the positive pole of the power supply is connected to the position of 5V and the negative pole of the power supply is connected to...

Страница 12: ...12 Step 14 Install the shell 1 Use M3 6 screws to fix 4 one way posts on the bottom plate 2 Install the key caps for the key switch and tact switch...

Страница 13: ...13 3 Fix the circuit board to the copper post with M3 nuts 4 Use 4pcs M3 screws and nuts to fix the speaker to the shell...

Страница 14: ...14 5 Connect the speaker wire and the circuit board with a wire 6 Connect the power cord Cut off the DC head if you have a USB power cable without DC the please ignore the picture below...

Страница 15: ...15...

Страница 16: ...ell 8 After 2 seconds when the power is turned on the LED on the Bluetooth module will start to flash and the name of the Bluetooth module displayed on the mobile phone is MH M18 click to connect dire...