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DC 3.3V 5V Soil Hygrometer Humidity Detection Module Moisture Sensor Water Detector Board for Arduino
Technical Specifications:
Supply voltage: DC 3.3V-5V
Operating current: less than 20mA
Output voltage :0-2.3 V [2.3V is completely immersed in water] voltage, 5V power supply, humidity, the greater the output voltag...
$2.09
$2.99
SKU: 3274
$2.09
$2.99
(1 Feedback)
31
ICStation DC to DC Auto Converter Step Up and Down Boost Converter/Buck Converter Module DC 3.5V-28V to DC 1.25V-26V
Description:
This module can realize the function that input voltage within a certain range, and output voltage automatically (it will not be affected by input voltage).
It can be used as step up and down power module that user ...
$3.49
$4.99
SKU: 3231
$3.49
$4.99
(1 Feedback)
31
Laser Receiver Sensor Module Non-modulator Tube Laser Sensor Module
Description:
PCB size:1.52*2.22cm/0.6*0.9inch.
work voltage:5V
output high level when receive laser signal;
output low level when not receive laser signal.
NOTE:
This laser recevier is a NON-MODULATED ...
$2.09
$2.99
SKU: 3207
$2.09
$2.99
31
DIY Kit LM3915 Audio Level Indicator Yellow Red LED Light Electronic Soldering Practice Kits
DIY Kits LM3915 Audio Level Indicator Yellow Red LED Light
Description
Power supply voltage: DC 9V-12V
...
$3.14
$4.49
SKU: 3018
$3.14
$4.49
(1 Feedback)
31
DC to DC Step Down Buck Converter Power Supply Module 4V-38V to 1.25V-36V 5A Adjustable Voltmeter
Product Description
This product is a 180 KHz fixed frequency PWM buck (step-down) DC/DC module, capable of driving a 5A load with high efficiency, low ripple and excellent line and load regulation.
The module with a voltage mete...
$4.89
$6.99
SKU: 3017
$4.89
$6.99
31
TDA7297 15W+15W Dual Channel Audio Amplifier Board DIY Kit
Description:
PCB Size: 4.8cmx4.8cm;
Voltage: DC 9-15V, AC 9-12V, recommended DC voltage 12V, current 2A above;
Power: 15W +15 W;
Output Impedance: 4-8 ohm
Please noted: This is DIY Kit. You need to assemble...
$3.49
$4.99
SKU: 3010
$3.49
$4.99
(1 Feedback)
31
9V 1A Switching Power Supply Adapter 5.5x2.1mm Input AC 110V-240V
SKU:
2966
Quantity:
1
Description
...
$2.28
$3.25
SKU: 2966
$2.28
$3.25
31
DC to DC Step Down Module Buck Converter Power Supply Module DC 4.5V-28V to DC 0.8V-20V
Description
Input voltage: DC 4.5V-28V
Output voltage: DC 0.8V-20V
Output curren...
$1.11
$1.59
SKU: 2734
$1.11
$1.59
(2 Feedback)
31
DIY Kit 5MM LED Flash Light, Simple Flash Circuit Soldering Kits for Beginners
Description:
Work voltage: 3-14V
PCB size: 2.3*2.3cm
Component List:
PCB board x1
9014 transistor x2
LED blue 5mm x2
30K resistor x2
510ohm resistor x...
$1.39
$1.99
SKU: 2721
$1.39
$1.99
30
DIY Kit LM317 Adjustable Step Down Module DC 5V-35V to 1.25V-30V AC/DC Power Supply Module
Description:
Input DC volt:5V-35V
Input AC volt:6V-25V
Output DC volt:1.25V-30V
Output circuit:1A(max)
Minimun dropout voltage of input and output:3V
PCB size: 71mm×46mm
Features:
1,...
$2.37
$3.39
SKU: 2713
$2.37
$3.39
(2 Feedback)
30
ICStation 8x8 Red LED Light Lamp Display Dot Matrix Module Panel DIY Kits
Description:
It's controlled by the STM8S003F3 MCU with 1K data storge space which is low cost, low power consumption, very powerful.
1. Product Feature:
Seamless splicing and so that the dot mat...
$2.28
$3.25
SKU: 2609
$2.28
$3.25
(11 Feedback)
31
DC to DC Boost Converter Step Up Module Power Supply Module DC 1-5V to DC 5V
Description:
Input voltage: DC 1V~5V
Output voltage: DC 5V
Output Current: 500mA
PCB si...
$1.39
$1.99
SKU: 2518
$1.39
$1.99
30
DC to DC Step Down Buck Converter 5V-30V to 0.8V-29V 5A Constant Current Constant Voltage Meter Power Supply Charger Module
Description:
Module Properties:Non-isolated step-down module
Rectification:Non-Synchronous Rectification
Input Voltage:DC 5V-30V
Output Voltage:DC 0.8V-29V
Output Current:Max 5A (over 3A to enhance heat di...
$5.85
$8.35
SKU: 2455
$5.85
$8.35
(2 Feedback)
30
5PCS Obstacle Avoidance Infrared Sensor Module Reflection Photoelectric Sensor Board for Tracking Smart Car
Module Description:
The sensor module light is adaptable to the environment, it has a pair of infrared transmitting and receiving tube, tube infrared emit a certain frequency, when detecting direction ...
$8.02
$11.45
SKU: 2432
$8.02
$11.45
(1 Feedback)
30
NE555 Pulse Module Duty Cycle Frequency Adjustable Module Square Wave Rectangular Wave Signal Generator
Description:
1. Used as a square wave signal generator produces a square wave signal for the experimental development use.
2. Used to generate the square wave signal to drive a stepper motor drive.
3. Produce adjustable pulse...
$2.51
$3.59
SKU: 2224
$2.51
$3.59
(1 Feedback)
30
DIY 6 Bits C51 Digital Electronic Clock Red LED AT89C2051 Chip DIY Soldering Practice Learning Kits
Description:
In addition to the general features include electronic clock, especially increasing alarm clock function, stopwatch function, countdown function and counter functions. AT89C2051 resources are full...
$6.29
$8.99
SKU: 2042
$6.29
$8.99
(2 Feedback)
30
DC to DC Step Up Boost Converter Power Supply Module Voltage Regulator Module USB Charger DC 0.9-5V to DC 5V 600mA
Description:
1. Module Properties: non-isolated boost
2. Rectification: non-synchronous rectification
3. Input voltage: DC 0.9-5V
4. Output voltage: DC 5V 600MA (adjustable)
5. Output Current: 1000mA (Max)
6. Conversion effic...
$1.39
$1.98
SKU: 1907
$1.39
$1.98
31
Simple Flash Circuit LED Light Electronic Soldering Practice Kits for Beginner
Description
Kits type: YSG - 1
Working voltage: 3-9 v
LED colors: red highlight
PCB size: 31 * 28 mm
Module Diagram
Principle of Operating
For YSG-1, the Q1 and Q2 form the multivibrat...
$1.39
$1.99
SKU: 1895
$1.39
$1.99
30
DIY 4-Digit C51 Digital Electronic Clock Red LED STC11F02E Chip DIY Kits Soldering Practice Electronic Learning
Description:
DIY 4-Digit C51 Red LED Digital Electronic Clock
Enough functionalities as any regular clock. Very accurate.
Acceptable for anyone above the age of 8-15.
The DIY Clock Kits are widely used in s...
$4.68
$6.69
SKU: 1765
$4.68
$6.69
(1 Feedback)
31
Light Control LED Light DIY Electronic Kits Heart Shape LED Light for Birthday Gift
Product description
GKS-18 is an upgraded version of the XSD-18 added light control circuit, when the light is dimmed (or strong) .18 LED lights cycle flashing, the buzzer played "Happy Birt...
$3.49
$4.99
SKU: 1757
$3.49
$4.99
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