Single-channel Sound Level Meter kit with adjustable input gain and adjustable LM3914 range. Kit can run off of 9 to 12 volts. Kit will include the PCB and all components and schematic to complete the kit. 9 volt battery clip is included. The PCB is 2.5" around with one mounting hole.

• Adjustable input gain
• Adjustable LM3914 range

Adjustable input gainNightFire Electronics