400 Point Breadboard Compact Design for Arduino Projects
$0.35This 400 Point Breadboard features a compact solderless design, making it perfect for Arduino modules, sensor testing, and portable electronics projects.
Showing 25–36 of 122 results
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400W 15A DC-DC Step Up Boost Buck Voltage Converter Power Supply Module
Original price was: $2.07.$1.59Current price is: $1.59.♦ Specifications
Type: 400W boost constant current module
Module properties: non-isolated step-up module (BOOST)
Input voltage: DC8.5V-50V
Input current: 15A (MAX) exceeds 8A please enhance heat dissipation
Quiescent current: 10mA (12V liter 20V, the output voltage, the higher the current will increase too quiet)
Output voltage: 10-60V continuously adjustable
Constant] range: 0.2-12A
Temperature: -40 to + 85 degrees (ambient temperature is too high, please enhance heat dissipation)
Operating frequency: 150KHz
Conversion efficiency: up to 96%
Overcurrent protection: yes
Input reverse polarity protection: no
Installation: 4 2.55mm screw holes
Connection method: Connection Output
Module size: 67X48X 28mm
8.5-50V to 10-60V Voltage -
5V 1 Channel Low Level Relay Module with Optocoupler
$0.36♦ Specifications
Trigger Voltage: 5 VDC
Trigger Current : 20 mA
Maximum Switching Voltage: 250VAC@10A; 30VDC @10A
Single Pole Double Throw (SPDT) Configuration
Power supply indicator lamp
Brand: TongLing/BESTEP/Generic -
5V 16 Channel Relay Module with Light Coupling Low Level Trigger Optocoupler
$4.62♦ Specifications
16 CH With Optocoupler
– The control signal voltage range: the trigger signal is low 0-2V; high voltage must not exceed 5V.
– The use of the industry’s top quality optocoupler isolation, strong anti-interference ability, stable performance; the trigger current is only 3mA.
– 1-16 road can be any full on / off, or any road.
– Output Type: AC 220V 10A directly connected or DC30V 10A load.
Electrical Parameters:
Supply voltage: 5V (DC)
Supply Current: More than 200mA
Each relay can load: 250V 10A (AC) or 30V 10A (DC) -
5V 6 Channel Relay Module with Low Level Trigger Optocoupler Blue Board
$1.73♦ Specifications
Supply voltage VCC: 5 V
Activated with the low-status
Relay Coil voltage: 5 V
The maximum voltage of contacts: 250 VAC, 125 VDC*
Maximum current: 10 A
Optoelectronic insulation
6 LEDs signaling the activation of relays
The dimensions PCB: 10.3x 5.27cm
Weight: 82 g -
5V 8 Channel Relay Module with Low Level Trigger Optocoupler Blue Board
$3.42♦ Specifications
Operating Voltage: 5V DC
Trigger Current: 5mA
Relay Maximum Contact Voltage: 250VAC, 30VDC
Relay Maximum Current: 10A
Trigger Mode: Active Low/high
Dimensions: 142mm x 50mm
Weight: 115.3 grams
Indicator LEDs: Power supply indicator and relay status indicators -
9g Micro Servo Motor Analog & Digital TS90M / TS90MD 90° 180° 270° 360°
Price range: $3.51 through $4.04The 9g Micro Servo Motor TS90M analog servo and TS90MD digital servo offer precise control, metal gears, and multiple rotation options including 90°, 180°, 270°, and continuous 360° for RC models, robots, Arduino, and DIY electronics.
Select options This product has multiple variants. The options may be chosen on the product page -
9V Battery Connector (I-Type & T-Type Battery Clips)
Price range: $0.04 through $0.11The 9V Battery Connector is available in six versions, including I-Type and T-Type clips with soft shell, hard shell, or DC plug. Perfect for Arduino projects, DIY electronics, battery-powered circuits, and prototyping.
Select options This product has multiple variants. The options may be chosen on the product page -
Accurate Micro Hydro Generator F50 Series Water Turbine Generator
Price range: $4.54 through $6.80The F50 Series Micro Hydro Generator is a compact water-powered generator available in multiple output versions, including regulated DC models and high-voltage output models. Built with the same durable turbine structure, every version offers reliable performance for renewable energy projects, STEM education, DIY electronics, and water-powered automation systems.
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Accurate MPU-6050 GY-521 Module – 6DOF Accelerometer Gyroscope
Price range: $1.54 through $2.15MPU-6050 GY-521 Module with 3-axis accelerometer and gyroscope, 6DOF motion sensing, I2C communication, 16-bit data output, and DMP support.
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Accurate YF-S401 Water Flow Sensor 0.3-6L/min for Arduino
$1.75The YF-S401 Water Flow Sensor provides precise low-flow liquid measurement from 0.3–6L/min using Hall Effect technology, making it ideal for Arduino, ESP32, Raspberry Pi, coffee machines, and smart water control projects.
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Accurate ZJ-S201C Water Flow Sensor G1/2 1–25L/min
Price range: $2.95 through $3.35The ZJ-S201C Water Flow Sensor delivers accurate flow measurement from 1–25L/min with stable Hall Effect pulse output. Ideal for Arduino, ESP32, PLCs, water dispensers, smart irrigation, and industrial automation projects.
Select options This product has multiple variants. The options may be chosen on the product page