★5V Stepper Motor Driver Board Module,ULN2003 motor driver chip. | ★Chip all the pins already leads for easy connection to use. | ★5V power supply.4-way signal indicator. | ★On-board XH-5 P socket.connect 28BYJ-48 Stepper Motor direct. | ★Package Includes: 2set Control boards & Stepper Motor.

★Microphone Sensor High Sensitivity Sound Detection Modules for A-rduino PIC AVR | ★Uses 5V DC power supply | ★Has 3mm mounting screw hole | ★Has two outputs: AO, analog output, real-time output voltage signal of the microphone | ★Package Includes:3pcs Microphone Sensor High Sensitivity Sound Detection Module

★ High performance, cost-effective. | ★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.

★DC Voltage: 2.5-6V | ★Maximum lift: 40-110cm / 15.75"-43.4" | ★Flow rate: 80-120L/H | ★Outside diameter of water outlet: 7.5mm / 0.3" | ★Inside diameter of water outlet: 5mm / 0.2"

★ KES-490 AAA Blu-ray Disk Drive For Sony PS4 CUH-1001A CUH-1115A BDP-020 BDP-025 | ★Please make sure your circuit board is model BDP-020 or BDP-025 before you buy this disk drive. | ★You must swap the drive circuit board from your original drive to the replacement drive. | ★This item is BRAND NEW! | ★The new DVD drive will need to be “flashed” with your console’s security key or will need to have your old drive's board swapped into the new replacement drive.

★Gold plated contacts for best connectivity and long life | ★Install PCI-E device freely according to dimension and position of computer case. | ★Ideal for small computer & server case, like 1U & 2U. | ★One end is PCI-E 4X male and another end is PCI-E 4X female. It no need dirver | ★Size:19.2 x3.4 cm approx

★The module is based on a touch-sensing IC TTP223 capacitive touch switch module | ★【Modes:】 jog, self-locking | ★【Power Supply:】2.5V-5.5V | ★【Module Size:】15mm*11mm | ★【Package Content:】10x Capacitive Touch Switch Button Self-Lock Module

★10pcs USB LED Portable Night Light Bright Mini Keychain Camping Car Lamp Module | ★Plug these tiny LED modules into any standard USB port for instant light. | ★Small and portable, fits in a wallet or on a keychain. | ★Provides 100 hours of light when used with a 5000mAh power bank. | ★Input Power: 5V 40mA (0.2W)

★5V Stepper Motor Driver Board Module,ULN2003 motor driver chip. | ★Chip all the pins already leads for easy connection to use. | ★5V power supply.4-way signal indicator. | ★On-board XH-5 P socket.connect 28BYJ-48 Stepper Motor direct. | ★Package Includes: 1set Control boards & Stepper Motor.

★144-LED ring light providing shadow free illumination | ★Compact design with built-in dimmer | ★Mounting size: up to 2.48" (63mm) in diameter | ★The ring light has 2-3/8" (60mm) inside and 3-5/8" (92mm) outside diameters | ★110V to 240V wide band power supplies

★4x4 type 16 keys,8 pins 2.54mm pitch connector. | ★Ultra-thin design provides easy integration to any project. | ★Soft and has a removable paper backing,Adhesive back can be securely affixed to the surface of chassis. | ★Used widely in industrial and home electronic equipments, instrument, etc. | ★Package Includes: 3PCS Membrane Switch Keypad.

★This is a breakout board for the very handy 16-Channel Analog/Digital Multiplexer/Demultiplexer CD74HC4067. | ★2V to 6V operation | ★6ns break-before-make @ 4.5V,"On" resistance: 70 Ohms @ 4.5V | ★Wide operating temperature range: -55C to 125C | ★Package Includes: 1PCS 16 Ch. Mulitplexer,2PCS Header Pins as shown above

★Using only two pins, control 16 free-running PWM outputs,You can even chain up 62 breakouts to control up to 992 PWM outputs | ★Board runs with 5V DC current but has input voltage only for the servo motors | ★Adjustable frequency PWM up to about 1.6 KHz | ★On board power indicating LED light | ★Package Includes: 2pcs PCA9685 16 Channel 12-bit PWM Servo motor Driver I2C Module

★Support automatic upgrades, full range of STM32 SWD & full range of STM8 SWIM download | ★Support the full range of STM32 SWD debugging interface | ★A simple 4-wire interface (including power), fast, & stable | ★Interface definition marked on the casing! Do not need to refer to the manual | ★Package Includes:2PCS Emulator Downloader Programming Unit(Note:Random Color),Comes with 20CM Dupont Lines to easier connection

★The module is a 12-foot clock with 4 points of positive digital (0.36 inches) display | ★Display common anode for the four red LED | ★Level control interface for 5V or 3.3V | ★Digital tube 8 gray adjustable | ★Package Includes: 2PCS TM1637 Display

★MULTIPLE PROTECTION: Micro USB lithium ion / lipo / 18650 charging board with overcharge, overdischarge and overcurrent protection, other features include current monitor, under voltage lockout, automatic recharge. | ★MULTIPLE CHARGING METHOD: This module is made for charging rechargeable using the constant-current/constant-voltage (CC/CV) charging method, charge port can take power from USB.The input has a MINI USB socket, which can be used to directly charge with the mobile phone charger, and still retains the input voltage wiring solder joints, which can be very convenient DIY. | ★ADJUSTABLE CHARGING CURRENT: The charge current can be modeled externally with the Rprog resistor R3. | ★DRIVE LOAD: OUT+ and OUT- can be connected to the load, such as the booster converter module/buck converter module or other loads. | ★Package Includes: 2pcs TP4056 Charging Module

★Suitable for car/motorcycle halogen lamp or LED lamp use | ★When open the turn signal is working, "tick" sound appears Allow LED bulbs to blink at the normal rate | ★DOP-3x flasher relay packaged with special IC | ★Work for most 3-Pin Motorcycles Compatible with CF13-GL, CF14-JL, CF13-JL | ★Using international standard pins, easy installation, without changing the original car line, plug and play Car, motorcycle, ATV or other models commonly used in replacement of LED lights, LED turn signal will appear stroboscopic light phenomenon or not, Use this goods can solve the above problem

★Rated Voltage: DC 12V, Rated Current: 11A | ★One press and on; Another press and off | ★Attached with red, black leads (Length: 15cm) | ★Base size: 18mm/0.7"(φ) x 10mm/0.4"(H), Button: 11mm/0.4"(φ), Overall Height: 33mm/1.3" | ★Easy to controll the circuit power on/off, widely used in the electronics design projects DIY

★Input voltage: DC12-24V; Max current: 8A; Output: 1 channel; | ★Output power: 12V<96W, 24V<192W | ★0-100% fully PMW dimmable | ★Output: 1 Channel 96W 12V (0-8A) | ★Easy to operate, connect the DC power source with the single color LED strip lights directly by the dimmer

★Type: Straight Hose to Hose | ★Connector Type: 4mm,6mm,8mm10mm,12mm, OD Hose | ★Operating Pressure: 0~10.2kgf/cm2 (0~1.0Mpa) | ★ Negative Pressure: -750mmhg (10 Torr) | ★Operating Temperature Range: 0~60C

★Works with any 1-8s Lipo Li-ion Limn Li-fe RC drone car. | ★Display Mode: cell voltages, total voltages, lowest cell voltage, Remaining capacity. | ★When the voltage is below the set value ,it will buzzer with red LED Light , pre-set value 3.3V. | ★Small Size(40mm x 25mm x 11mm) and light weight(10g),easy to use. | ★Package Includes: 5pcs Alarm Buzzer

★Type: Straight Hose to Hose | ★Connector Type: 4mm,6mm,8mm10mm,12mm, OD Hose | ★Fluid Type: Air / Vacuum | ★Operating Pressure: 0~10.2kgf/cm2 (0~1.0Mpa) | ★Package Content: 5PC Quick Fitting

★Type: Straight Hose to Hose | ★Connector Type: 4mm,6mm,8mm10mm,12mm, OD Hose | ★Fluid Type: Air / Vacuum | ★Operating Pressure: 0~10.2kgf/cm2 (0~1.0Mpa) | ★Package Content: 5PC Quick Fitting

★Microphone Sensor High Sensitivity Sound Detection Modules for Ar-duino PIC AVR | ★Can be used to detect the sound intensity of ambient,With analog output and threshold level output flip | ★Has two outputs: AO, analog output, real-time output voltage signal of the microphone | ★Uses 5V DC power supply,Has power indicator light,The comparator output is light | ★Package Includes: 5PCS Sound Sensor

★144-LED ring light providing shadow free illumination | ★Compact design with built-in dimmer | ★Mounting size: up to 2.48" (63mm) in diameter | ★The ring light has 2-3/8" (60mm) inside and 3-5/8" (92mm) outside diameters | ★110V to 240V wide band power supplies

★100% Brand new and high quality. | ★Model: AR2000. | ★Material: Alloy + Plastic. | ★Size: 85*70*40mm/3.35*2.76*1.57" | ★Package Included: 1 x AR2000 Pressure Regulator Valve

★Interface: I2C IIC | ★Chip: TCA9548A | ★Selectable I2C address: 0x70-0x77 | ★Working Voltage: 1.65-5.5V | ★Max Clock Frequency: 400KHz

★UB-E03 Ethernet Interface C32C824541 TM-U220PB T81 U288 T88IV | ★With Ethernet Interface make more convinent For Print | ★UB-E03 Ethernet Interface For Printers:TM-U220B 220PB 220PD 220PA TM-T81 TM-T82II TM-T88III T88IV T88V T70 T90 T86L | ★UB-E03 Print server-Ethernet/Fast Ethernet-10Base-T/100Base-TX(REPLACES UB-E02) | ★You'll Receive 1Pcs UB-E03 Ethernet Interface C32C824541

★UB-E03 Ethernet Interface C32C824541 TM-U220PB T81 U288 T88IV (Replaces UB-E02) VERSION.B | ★With Ethernet Interface make more convinent For Print | ★UB-E03 Ethernet Interface For Printers:TM-U220B 220PB 220PD 220PA TM-T81 TM-T82II TM-T88III T88IV T88V T70 T90 T86L (Replaces UB-E02) VERSION.B | ★UB-E03 Print server-Ethernet/Fast Ethernet-10Base-T/100Base-TX(REPLACES UB-E02) | ★You'll Receive 1Pcs UB-E03 Ethernet Interface C32C824541 (Replaces UB-E02) VERSION.B

★UB-E04 Ethernet Interface C32C824541 With USB TM-U220PB T81 U288 T88IV New | ★With USB Interface make more convinent for Print | ★UB-E04 Ethernet Interface For Printers:TM-U220B 220PB 220PD 220PA TM-T81 TM-T82II TM-T88III T88IV T88V T70 T90 T86L | ★UB-E04-Print server-Ethernet/Fast Ethernet-10Base-T/100Base-TX(REPLACES UB-E03/UB-E02) With USB | ★You'll Receive 1 Pcs UB-E04 Ethernet Interface C32C824541

★Output voltage: 400000 v(Please pay attention to safety) | ★High pressure type: the type of pulse current | ★input voltage: DC 3 V to 6 V,Input current: 2 A - 5 A | ★High pressure discharge distance between: 10 mm - 20 mm.To avoid burning, use the time limit for 1 minute. | ★Package Includes:1pcs 400000V Boost Step-up Power Module.

★2.4" diagonal LCD TFT Touch Panel display | ★Bright, 4 white-LED backlight, on by default but you can connect the transistor to a digital pin for backlight control | ★Colorful, 18-bit 262,000 different shades | ★4-wire resistive touchscreen | ★8 bit digital interface, plus 4 control lines

★1 single module can drive an 8 8 dot matrix common cathode. | ★1 on the left block to an input port, an output port on the right. | ★5 modules with input and output interfaces, support for cascading multiple modules. | ★MAX7219 dot matrix display module | ★Module size : 5 cm X 3.2 cm wide X 1.5 cm high

★Handy device for testing LED's. Simply plug your LED into the correct holes (all of which are marked) and push the button to see its brightness, illuminant color, etc. | ★Handy device for testing LED's (2-150mA) | ★Simply plug your LED into the correct holes (all of which are marked) and push the button to test its brightness, illuminant color, etc The top row is for 2 pin LED's with currents ranging from 2mA - 30mA | ★The bottom row is for 4 pin LED's (piranha LED's) with currents ranging from 20mA - 150mA. | ★Item size(L*W*H) : Approx. 8 x 5.5 x 2.2cm / 3.15" x 2.16" x 0.87" Quantity: 1PC

★onboard MT8870 complex frequency decoding chip | ★onboard voice input interface | ★onboard 5 LED indicator, easy to view the output status | ★Main basic have lead to pin chip. | ★PCB size: 26.5 (mm) x24.5 (mm)

★Compatible with: Ac-er Nitro 7 AN715-51 Nitro 5 AN515-52 AN515-53 AN515-54. | ★Works with 2.5 inch SATA Hard Drive / SSD up to 7.2mm, 9.5mm, 12mm in height. | ★Alternate Part Numbers: DH53F NBX0002C000, NBX0002CN00, NBX0002FX00, 0KNK9Y, KNK9Y, CAL50 NBX00028C00. | ★Condition: Original and new condition without original box shipping. | ★If your ice is too thick or not harvesting, the ice thickness control sensor may be faulty.

★This usb to ttl serial cable with built-in PL2303TA chip is easiest way ever to connect to your microcontroller/Raspberry Pi/WiFi router serial console port. | ★Four Wire: Red - 5v; Black - Ground; Green -Tx; White - Rx. | ★The cable is specifically for laboratories,product testing,low-cost MCU communication and other applications. | ★Fast transmission,low power consumption and sustainable use. | ★Package Content: 1 x USB Cable.

★DOOR STOPPER SECURITY ALARM - the door stopper alarm in "on" status,when door pressure is applied,the door alarm will be triggered while make extremely loud 120db alarm,helps wake/alert homeowner or renter, helps deter intruder and possibly notifies neighbors,security protection. | ★NON-SKID DOOR STOPPER - the door stopper alarm in "off" status,it can be used as common damping rubber base door wedge,hold door in open position,no any loud alarm sound. | ★EASY INSTALLATION - no wiring needed; battery-operated (requires 1x9V battery,not included);place it under the door,the gap bewteen the bottom of the door and the floor should be 10mm(0.38 in) to 35mm(1.35 in),it can not slide on tile when door opens,smooth floor can try to use H-type sensitivity,vibration-sensing alarm. | ★3 SENSITIVITY LEVELS - Low - Medium - High,with an adjustable sensitivity switch on the side;H level is the most sensitive level that vibration will trigger an alarm;please note when the alarm sound gradually becomes smaller,it means to replace the new battery. | ★PORTABLE DOOR STOPPER ALARM - package include 3 door alarms,each weight about 120g;easy to carry;alarm loud 120db to protect you;great for travel;ideal for bedrooms, hotels, apartments, dorm rooms, front doors, etc;peace of mind when traveling or working alone.