There are 4 pins out of the module: VCC , Trig, Echo, GND. So it's a very easy interface for controller to use it ranging.  The all process is: pull the Trig pin to high level for more than 10us impulse, the module start ranging;  Finish ranging, If you find an object in front, Echo pin will be high...

The INNOVA 3320 is a Auto-Ranging Multimeter designed to safely and accurately troubleshoot a variety of automotive and household electrical problems. It's auto-ranging scales eliminate the need to dial in the correct range when making electronic measurements. The 10 MegOhm input is safe for automot...

Crenova MS8233D Multimeter is an Auto-Ranging Digital Multimeter *The Digital Multimeter, as general measurement tool, is widely used in the school, laboratory, factory and other social field. *The equipment is used for measurement in building facilities. For examples, distribution boards, circuit...

The AstroAI True RMS Multimeter is designed to be safely and accurately used by professionals in a commercial setting or weekend DIYer's that need a little more power utility from their standard digital multimeter. It's easy and safe to operate with advanced features built for measuring seemingly ev...

The K-17 is fully suited for quick snips on small to medium plants, as well as all picking activities. You just found the perfect tool for dead-heading, making flower arrangements, harvesting vegetables or herbs like basil from your herb garden, grapes, tomatoes, and more. The blades of the K-17 are...

The Cut Flower Garden: Erin Benzakein is a florist farmer, leader in the locaflor farm to centerpiece movement, and owner of internationally renowned Floret Flower Farm in Washington's lush Skagit Valley.A stunning flower book: This beautiful gardening book and guide to growing, harvesting, and arra...

Etekcity's Digital Clamp Mustimeter ensures household electricity maintenance safe and easy. With the capability to test voltage, resistance, continuity and diodes, the built-in clamp enables you to measure AC current without direct dangerous contacting. The clip can extend to test cords and wires u...

All Neoteck Product Comes With 18 Months US Base Warranty Overview: Neoteck 8233D PRO multimeter using the word high 15mm LCD display with backlight, even in low light places can clearly read the display value. Is a high performance, high reliability, compact handheld 3 1/2 digit digital multimeter...

The Etekcity MSR-A600 Digital multimeter is the perfect startup multimeter for hobbyists, entry-level electricians, and general household uses. The convenient Auto-Ranging operation allows you to select the right measurement range when working on a variety of components. It's easy and safe to operat...

Klein Tools MM400 is an auto-ranging multimeter that measures AC/DC voltage, AC/DC current, and resistance. It can also measure temperature, capacitance, frequency, duty-cycle, and test diodes and continuity. Klein Tools Test and Measurement product line was exclusively designed from the ground up b...

Tacklife CM01A Digital Clamp Meter is a portable, handheld professional meter has everything you need for a full multimeter. It is designed according to IEC1010-1,IEC1010-2-030 and IEC1010-2-032 concerning safety requirements. This clamp meter can be used to troubleshoot electrical problems safely...

Klein Tools CL800 is an automatically ranging true root mean squared (TRMS) digital clamp-meter that measures AC/DC voltage, resistance, continuity, frequency, capacitance, and tests diodes via test-leads, and temperature via a thermocouple probe. It also features a Low Impedance (LoZ) mode for iden...