Extech DV30 Non-Contact Adjustable AC Voltage Detector we also provide the FIX

we also provide the FIX signal out on a pin so you can put an external LED on

at frequency rate Narrow Hi Pulse TTL: >2

The shield uses digital pins 2 and 3 for software serial communication with the M10

Video Engineers to test and maintain studio equipment or Home Theater Installation Technicians to fine-tune the picture quality of digital televisions

Extech DV30 Non-Contact Adjustable AC Voltage Detector we also provide the FIXNon contact detection of AC voltage with sensitivity adjust Non contact detection of AC voltage from 12VAC to 600VAC Sensitivity adjustment increases or reduces sensor trigger threshold Audible and visible voltage indication Self test function Product Dimensions (L x W x H): 231 x 76 x 8 MM Product Weight: 1. 06 LB