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LM3915 10 Step Audio Level Indicator Kit DIY

LM3915-LEVEL-INDICATOR-DIY

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LM3915 10-level audio level indicator kit

Power supply voltage: DC9V--12V (DC voltage) 
PCB size: length 62mm * width 27mm

TIP: 560 ohms or 2.2K resistors can be soldered at 560 ohms. Which resistor is used to solder which resistor value, 2.2K will work better, J3 on the board is reserved, the role is if Display abnormal, short J3 solution, can be shorted by wire or cut off the pin, the delivery is not this component. The reference picture of our shop is welded with pin headers, which we don't care about.

Kit welding production and function demonstration video address:

http://www.iqiyi.com/w_19rtawphbd.html

 

Download :

Link: https://pan.baidu.com/s/17RPf2vGbo3h_ogN5qZGXMQ   Password: sqtn

Reminder: This level indicator is a spare part and needs to be assembled by yourself. 
Shipment pictures:

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