AC 22000W 250V 100A Digital Voltage Meters Power Energy Voltmeter Ammeter Indicator Current Amps Volt Wattmeter PF Frequency Tester Detector

AC 22000W 250V 100A Digital Voltage Meters Power Energy Voltmeter Ammeter Indicator Current Amps Volt Wattmeter PF Frequency Tester Detector Feature: Can display voltage , current , power , power factor , energy and frequency at the same time Made of PC flam retardant material , which will be more safe for using ,Backlight control Read more about AC 22000W 250V 100A Digital Voltage Meters Power Energy Voltmeter Ammeter Indicator Current Amps Volt Wattmeter PF Frequency Tester Detector[…]

AC220V 20A Digital Voltage Meter Energy Meter LCD 5KW Power Voltmeter Ammeter Current Amps watt PF Frequency meter tester detector indicator

AC220V 20A Digital Voltage Meter Energy Meter LCD 5KW Power Voltmeter Ammeter Current Amps watt PF Frequency meter tester detector indicator Active Power Calculation Description Active power is calculated as: P = U I cos, cos represents the power factor, purely resistive loads (such as incandescent, heater, etc.) the power factor is generally close to Read more about AC220V 20A Digital Voltage Meter Energy Meter LCD 5KW Power Voltmeter Ammeter Current Amps watt PF Frequency meter tester detector indicator[…]

KA2284 Power level indicator Battery Indicator Pro Audio level indicator module

KA2284 Power level indicator Battery Indicator Pro Audio level indicator module Chip: KA2284; Supply voltage: 3.5V-12V; The magnitude of the level can be adjusted; AC and DC signals can be controlled by jumper; PCB board size: 29 (mm) x21 (mm); Package Included: 1 x KA2284 Power level indicator Battery Indicator Pro Audio level indicator module

Key Display For AVR Arduino New 8-Bit Digital LED Tube 8-Bit TM1638 Module

Key Display For AVR Arduino New 8-Bit Digital LED Tube 8-Bit TM1638 Module This module for the chip TM1638, set the above three kinds of single chip microcomputer common peripheral circuit, the biggest characteristic is to simply take micro-controller three IO mouth can drive, scanning display and key scan don’t need micro-controller intervention, only need Read more about Key Display For AVR Arduino New 8-Bit Digital LED Tube 8-Bit TM1638 Module[…]

L9110S DC Stepper Motor Driver Board H Bridge L9110 for arduino

L9110S DC Stepper Motor Driver Board H Bridge L9110 for arduino Description: L9110S-chip motor drive Module supply voltage: 2.5-12V Suitable Motor range: between motor operating voltage 2.5v-12V, the maximum operating current of 0.8A, the current smart car voltage and current market are within this range Drive two DC motors, or a 4-wire 2-phase stepping motor. Read more about L9110S DC Stepper Motor Driver Board H Bridge L9110 for arduino[…]