★ 17HS4401 Bipolar Stepping Motor ★

 ★ 17HS4401 Bipolar Stepping Motor ★

A stepper motor to satisfy all your 3D-Printer, robotics, Linear Motion projects needs! This 4-wire bipolarstepper has 1.8° per step for smooth motion and a nice holding torque. The motor was specified to have a max current of 1.7A/phase so that it could be driven easily with common motor shield for Arduino (or other motor driver) and a wall adapter or lead-acid battery. The motors are supplied with a 50cm long power cable with a 4-pin Harwin female connector already fitted - ready to plug and print!

★ specification ★

• Nema17 Bipolar.

• Number of Phase: 2.

• Step Angle: 1.8°.

• Phase Voltage: 2.6Vdc.

• Phase Current: 1.7A.

• Resistance/Phase: 1.5Ω ±10%.

• Inductance: 2.8mH ±20% (1KHz).

• Number of Wire: 4 (100cm Length).

• Holding Torque: 43Ncm.

• Shaft Diameter: Ø5mm.

• Motor Length: 40mm.

• Rotor Inertia: 54gcm2

• Temperature rise: 80°C Max.

• Insulation Class: B.

• Dielectric Strength: 500VAC/1-minute.

• Mass: 280g.

★ 103-H7823 Bipolar Stepping Motor ★

 

★ 103-H7823 Bipolar Stepping Motor ★

★ CH340G USB to UART Interface (MEGA2560) ★

 

★ CH340G USB to UART Interface (MEGA2560) ★

1. Overview 

CH340 is a series of USB bus adapters, that provides serial, parallel or IrDA interfaces over the USB bus (note: CH340G supports serial interface only). The CH340G integrate circuit provides common MODEM signals to allow adding a UART to a computer, or converting existing UART devices to USB interface. 

2. Features 

• Full-speed USB interface, compatible with USB 2.0            interface. 

• Operates with a minimum amount of external components: a      crystal and a minimum of four capacitors. 

• Provides a virtual serial port for upgrading existing        serial port devices or adding serial ports to a PC. 

• Supports all existing applications using serial ports        without the need of changing existing code. 

• Hardware full-duplex serial interface with internal FIFO.    Baud rate range from 50bps to 2Mbps. 

• Supports common flow control signals RTS, DTR, DCD, RI, 

  DSR and CTS. 

• Supports RS232, RS422 and RS485 with external level          shifting components. 

• Uses CH341 driver. 

• Supports 5V and 3.3V operation. 

• RoHS-compliant narrow body SO-16 package.

★ Celwave ALO30A RF Microwave Dummy Load 30W 50Ω ★

 

★ Celwave ALO30A RF Microwave Dummy Load 30W 50Ω ★

• Made By:Celwave

• Model:AL030A

• Power rating:~30.000 watts 

• Connector Type:N-Type Male "Screw On"

★ AC Motor Sliding Gate Controller ★

 

★ AC Motor Sliding Gate Controller ★

★ Arduino Nano V3.0 ATmega328P/MicroUSB CH340 ★

 

★ Arduino Nano V3.0 ATmega328P/MicroUSB CH340 ★

• Nano V3 

• ATmega328 (16Mhz) microcontroller

• CH340G – USB-UART interface

• Input voltage 6-12 V

• Output voltage 5 V / 800 mA, 3.3 V / 800 mA (Only in NEW version)

• Micro USB – connection socket

• 500 mA resetable Fuse on USB port

★ 5 Axis CNC Breakout Board Interface ★

★ 5 Axis CNC Breakout Board Interface ★

Introduction

   The latest upgraded 5 axis breakout board is specially designed for the CNC single axis 2-phase stepper driver controller, such as M542, M542H, MA860H, 2M542, 2M982, DM542(A), DM860(A) etc. single axis stepper driver controller series. With this 5 axis breakout board, any 1-5 single axis stepper driver controllers can be directly controlled by the PC via the MACH3,EMC2, KCAM4, etc.

Features

•  Maximum support 5-axis stepper motor driver controllers

•  Compatible with MACH3, Linux CNC (EMC2) etc. parallel-control CNC     software.

•  USB power supply and peripherals powered phase are separated to       protect computer security.

•  All the signals are opto-isolated which can protect your computer     security.

•  5-input interface to define the Limit, Emergence-Stop, Cutter         alignment, etc.

•  Wide input voltage range: 12-24V, and with anti-reverse function.

•  One relay output control interface, accessed by the spindle motor     or the air pump, water pump, etc.

•  Output 0-10V analog voltage for inverter to control the spindle       speed.

Specifications

Interfaces

Wiring Diagram for Reference 

★ AF117 PNP Germanium AM broadcast Mixer / Oscillator ★

 

★ AF117 PNP germanium AM Broadcast Mixer / Oscillator ★

★ Description ★

Type Designator: AF117

Material of Transistor: Ge

Polarity: PNP

Maximum Collector Power Dissipation (Pc): 0.075 W

Maximum Collector-Base Voltage |Vcb|: 32 V

Maximum Collector-Emitter Voltage |Vce|: 15 V

Maximum Emitter-Base Voltage |Veb|: 2 V

Maximum Collector Current |Ic max|: 0.01 A

Max. Operating Junction Temperature (Tj): 75 °C

Transition Frequency (ft): 75 MHz

Collector Capacitance (Cc): 3 pF

Forward Current Transfer Ratio (hFE), MIN: 50

★ EG8010 Single Phase Sinusoid Inverter ASIC (EGS002 Inverter Driver Board) ★

 

★ Features ★

 +5V single supply

 4 settingsofoutput frequency can set by 2 pins

 50Hz constant frequency sine-wave

 60Hz constant frequency sine-wave

 0-100Hzadjustable frequency sine-wave

 0-400Hz adjustable frequency sine-wave

 2 modulation modes can set by1 pin

 Unipolar modulation

 Bipolar modulation

 4 settings of dead time can set by 2 pins

 300nS

 500nS

 1.0uS

 1.5uS

 External 12MHz crystal oscillator

 23.4KHz Modulation frequency

 Output Voltage \ Current \ Temperature detect and handle

 3 seconds soft start can select by 1 pin

 USART communication support

 Voltage \ Current \ Temperature \ Frequency Display support by      external LCD

 Parameters and functions customize support

★ Description ★

EG8010 is a digital pure sine wave inverter ASIC (Application Specific Integrated Circuit) with complete function of built-in dead time control. It applies to DC-DC-AC two stage power converter system or DC-AC single stage low power frequency transformer system for boosting. EG8010 can achieve 50/60Hz pure sine wave with high accuracy, low harmonic and distortion by external 12MHz crystal oscillator. EG8010 is a CMOS IC that integrates SPWM sinusoid generator, dead time control circuit, range divider，soft start circuit, circuit protection, RS232 serial communication,12832 serial LCD unit, and etc.

★ Application ★

 Single-Phase sinusoid inverter

 Solar power generation inverter

 Wind power generation inverter

 UPS(Uninterruptible power supply)

 Digital Generator

 Medium frequency power supply

 Single-phase motor speed controller

 Single-phase frequency transformer

 Sinusoid light modulator

 Sinusoid voltage regulator

 Sinusoid generator

 Inverter welder