XL4015 5A Constant Current / Voltage LED Drives Lithium Battery Charging Module
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High-efficiency DC-DC buck (step-down) power supply based on XL4015 chip
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Supports 0–5A adjustable output current with constant current (CC) and constant voltage (CV) modes
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Operates at 300 KHz fixed frequency PWM for stable performance
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Low ripple (<50mV) ensures clean and reliable output
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Can be used as a lithium battery charger (Li-ion, LiPo) with CC/CV charging function
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Suitable as an LED driver, step-down regulator, or battery charging module
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Adjustable output voltage & current for flexible applications
140pcs U-Shape Breadboard Jumper Cable Wire Grade A
- 140 quality jumper
- Color: red, orange, yellow, green, blue, purple, gray, brown, white.
- Box size: 165 × 55 × 10 (LxWxH) mm.
- 140 pcs of 22 AWG solid wires
TTP229 16-way Capacitive Touch Switch Module
- Working voltage: 2.4V to 5.5V
- Built-in regulator
- Two modes
- Simple 8 key mode with independent 8 Channel parallel output.
- Advanced 16 Key modes with I2C interface output.
- Modes can be selected and configured by the user.
- Adjustable sensitivity
L298N 5V Motor Driver Board-Red
- Module name : dual H bridge motor drive module
- Work mode : H bridge drive
- Main control chip : L298N
- Logical voltage : 5V
- Drive voltage : 5v-35v
- Logical current : 0mA-36mA
- Driving current : 2A(MAX single bridge)
Metal Desoldering Pump Semi – Aluminium Alloy Tin Absorber
- Metal body
- High suction power
- Teflon nozzle
- Easily replaceable nozzle
- Easy to clean and maintain
- Sturdy metal rod
- Comes with an innovative Protective case
- Ideal for removing semi–aluminium alloy tin
DS18B20 Digital Temperature Sensor Module with cable
- Multidrop capability simplifies distributed temperature sensing applications
- Thermometer resolution is user-selectable from 9 to 12 bits
- Converts temperature to the 12-bit digital word in 750ms (max.)
- User-definable nonvolatile (NV) alarm settings
- Supply Voltage (V): 3 to 5.5
- Temperature Range(°C): -55 to +125
- Measuring Accuracy(°C): ±0.5
- Resolution: 9bits to 12bits (Selectable)
GY- MAX4466 Sound Sensor Module
- Supply Voltage Operation: +2.4V to +5.5V.
- Versions with 5nA Complete Shutdown Available only (MAX4467/MAX4468).
- Excellent Power-Supply Rejection Ratio: 112dB.
- Excellent Common-Mode Rejection Ratio: 126dB.
- High AVOL: 125dB (RL = 100kΩ).
3.7V 600mAH (Lithium Polymer) Lipo Rechargeable Battery (Model – 602530)
- Voltage: 3.7V
- Capacity: 600mAH
- Approx Size – 48x20x4 (in mm)
160mAh 3.7V Single Cell Rechargeable LiPo Battery UK-041018P
- Product: Small Li-Po Battery
- Voltage: 3.7 Volts
- Capacity: 160mAh
- Reusability: Rechargeable
- Battery Cell Composition: Lithium
- Low self-discharge rate
- High performance and capacity
LCD1602 Parallel LCD Display with Blue Backlight with Soldering
- 16×2 LCD (16 characters per line, 2 lines).
- Shows white characters on a blue background.
- Equipped with a backlight for enhanced visibility in low-light conditions.
- Easily interfaces with Arduino and other microcontrollers.
- Suitable for a wide range of applications requiring basic text display and user interaction.
L293D Motor Driver Board
- 2 interface for 5V Servo connected to For Arduino’s high-resolution dedicated timer – no jitter.
- Can drive 4 DC motors or 2 stepper motors or 2 Servo.
- Up to 4 bi-directional DC motors with individual 8-bit speed selection
- Up to 2 stepper motors (unipolar or bipolar) with single coil, double coil or interleaved stepping.
- 4 H-Bridges: per bridge provides 0.6A (1.2A peak current) with thermal protection, can run motors on 4.5V to 16V DC
DS18B20 IP67 Waterproof Digital Thermal Probe 1m with Original Chip (26AWG)
- A probe by new original installation import DS18B20 temperature sensor chip.
- Stainless steel tube encapsulation waterproof moisture proof prevents rust.
- Stainless steel shell (6 * 45 mm), lead length 100 mm (shielding wire) use stability;
- 3.0 V-5.5 V power supply;
- Temperature range wide: -55 ℃ ~ + 125 ℃;
- Without the external components, the unique single bus.
5V Photosensitive resistance sensor relay module
- Adjust the sensitivity with the potentiometer. Set the start relay threshold by adjusting the potentiometer.
- When it is brighter, the module relay pulls in.
- When the threshold is dark, the relay is disconnected.
- Operating Voltage: 3.3V – 5V.
GY-MAX30102 Pulse Oximeter Heart Rate Sensor Module
- Heart-Rate Monitor and Pulse Oximeter Biosensor in LED Reflective Solution
- Tiny 5.6mm x 3.3mm x 1.55mm 14-Pin Optical Module
- Integrated Cover Glass for Optimal, Robust Performance
- Ultra-Low Power Operation for Mobile Devices
- Programmable Sample Rate and LED Current for Power Savings
- Low-Power Heart-Rate Monitor (< 1mW)
- Ultra-Low Shutdown Current (0.7µA, typ)
- Fast Data Output Capability
- High Sample Rates
- Robust Motion Artifact Resilience
- High SNR
- -40°C to +85°C Operating Temperature Range
FT232RL FTDI USB to TTL Serial Module
- IC Chip: FT232RL
- Support 3.3V, 5V
- Interface: Mini USB
- Standard interface layout, compatible with a variety of Arduino’s such as the Pro Mini
- Original FTDI FT232 chip, stable performance
- USB power has current protection, using 500MA self-restore fuse
- RXD/TXD transceiver communication indicator
- With power, sending, receiving indicator, and working status LED indicators
- With 3.3V and 5V TTL Level supply options
- USB to serial TTL module, download STC SCM
4 Channel Infrared Tracing Module
- Working voltage (V): 3.3 ~ 5
- Working current (A): Above 1A
- Operating Temperature (℃): -10 ~ +50
- Mounting hole: M3
- Detection range: 1mm ~ 60 cm adjustable.
MAX7219 8 Digit Led Tube Display Control Module
- Power: 5V
- Color:Red
- This module is compatible with 5V and 3.3V microcontrollers.
- Material: PCB + Electronic Components
- MAX7219 digital display control module.
- Only three IO ports are used to drive the eight-digit display.
LM35D Analog Temperature Sensor Module + Cable
- Based on the semiconductor LM35 temperature sensor
- Can be used to detect ambient air temperature
- Calibrated directly in °Celsius (Centigrade)
- Linear + 10 mV/°C Scale Factor
- 0.5°C Ensure accuracy (at +25°C)
- Low power consumption, less than 60uA
- Low output impedance, 1mA current through only 0.1Ω
- With screw holes for easy installation and fixed. Aperture 2.6mm
GY-291 ADXL345 digital three-axis acceleration of gravity tilt module IIC / SPI transmission
- Supply Voltage: 3.3 V/ 5V.
- Interface Type: I²C, SPI.
- Sensing Range: ±2g, ±4g, ±8g, ±16g.
- Sensitivity:
- X: 28.6 LSB/g.
- Y: 31.2 LSB/g.
- Z: 34.5 LSB/g.
- Ultra Low Power: 40µA in measurement mode, 0.1µA in standby@ 2.5V.
- Free-Fall Detection.
- Tap/Double Tap Detection.
DL8003 Digital Test Pen (12-240V AC.DC)
- Item checks general electric products, electronic leakage and broken line.
- It’s perfect for home use and handy when checking holiday lights.
- Item checks wire and tells you which is hot (fire), which is cold (ground),and incredible, No battery needed.
- Test range: 12~250V AC DC.
