LM3915 audio level indicator kit (presented two connecting lines)
HAL treated pad
Lights provide both vertical and horizontal rows of installation
Parameters are printed directly on the PCB components, without reference to the circuit diagram of the situation can be welded directly, very convenient.
PCB Size: 62mm * wide 27mm
Power supply voltage: DC9V - 12V
HAL treatment pads, solder joints can be better, but beautiful.
Two kinds of instruction modes: strip instructions and fire point-like instructions
Package listing:
1 PCS LM3915 Audio Level Indicator DIY Kit Electronic Production Suite