SYNACORP STS-105A Bedienungsanleitung

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For purchase & enquiries, please contact sal[email protected].my or call 04-5860026

STS-105A: LM3915 AUDIO LEVEL INDICATOR DIY KIT

Power Supply voltage: 9-12V (DC voltage)

PCB Full Assembly

(Board size: 27*58mm)

Component List

R1, R5 & R8=1kΩ, R2=100 Ω,

R3=10kΩ, R4=50kΩVariable Resistor,

R6=560Ω, R7=10Ω, R9=20kΩ, C1 &

C2=104 Ceramic Capacitor, U1=IC

LM3915, D9 & D10= Red LED, D1-

D8=Yellow LED, J2=XH2.54-2P

Connector, J1 & J3=Male Header 2 Pin,

IC Socket 18 Pin & PCB Board.

Total Item = 26

Schematic Diagram

_____________________________________________________________________________________

For purchase & enquiries, please contact sal[email protected].my or call 04-5860026

Component List:

Introduction:

This Audio level indicator DIY KIT need the audio output to be connected to the two pins of J1 in the circuit. The

audio output that supported are from speaker or earphone. The louder audio, the higher the signal strength. This

DIY KIT will light up LED to indicates the current level of signal of audio that it received. The higher signal means

more LED will be light up and the lower signal mean less LED will be light up.

Connection Setup 1: Use DIY KIT with Audio Jack Connector that connected to audio input source (phone).

Connection Setup 2: Use DIY KIT with Microphone Module kit STS-105B as audio source input for Cordless Audio

Level Meter

Components

Quantity

Reference

Components

Quantity

Reference

1kΩ Resistor

R1, R5 & R8

100nF/104 Ceramic Capacitor

C1 & C2

100Ω Resistor

LM3915

10Ω Resistor

LED RED

D10 & D9

10kΩ Resistor

LED YELLOW

D1 - D8

20kΩ Resistor

IC Socket 18 Pin

560Ω Resistor

XH2.54-2P Connector Set

50kΩ Variable Resistor

Male Header 2 Pin Set

J1 & J3

Total Item = 26

Phone as

Audio

Power Supply

Audio

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