This OBD2 Bluetooth ELM327 Module is a wireless onboard diagnostics tool that plugs into vehicles and offers real time wireless diagnostics and tinkering.
A compact USB Voltage/Current tester. 3V-9V Voltage range, 0-3A current Range.
Handy LED display meter for measuring up to 100V and 10A DC. Wide supply voltage range of 4.5 - 30V DC. Ideal for measuring power supplies and other electronic devices.
The Dual Display Voltage and Current Meter is ideal for quickly testing circuits, components and systems up to 100V and 100A.
This Voltage Meter Display measures 0-100V with an easy-to-read display – Simple unit for testing and measuring electronics up to 100V.
Simple IR break-beam interrupt sensor module board. This module uses a common IR LED and sensor pair in conjunction with a LM393 comparator IC to drive the output. Arduino Compatible. 5V DC operating voltage.