Best Czh-Labs in 2026

Prototype PCB for Arduino UNO R3 Shield Board DIY.

Quantity: a lot of 10 pieces.

PCB Dimension: 68.58mm x 53.34mm / 2.7" x 2.1"

Dual SPST-NO 10Amp Power Relay Module.

Quantity: a lot of 1 piece.

Part number: F-1001/12V.

This item has been assembled, and electrical test passed.

Pitch 3.81mm/0.15" screw terminal block.

FR-4 fiber glass PCB.

This item has been assembled, and electrical test passed.

Pitch 3.81mm/0.15" screw terminal block.

FR-4 fiber glass PCB.

This item has been assembled, and electrical test passed.

Pitch 3.81mm/0.15" screw terminal block.

FR-4 fiber glass PCB.

This item has been assembled, and electrical test passed.

Pitch 3.81mm/0.15" screw terminal block.

FR-4 fiber glass PCB.

This item has been assembled, and electrical test passed.

Pitch 3.81mm/0.15" screw terminal block.

FR-4 fiber glass PCB.

Low Voltage Disconnect Module LVD, 12V 10A, Protect/Prolong Battery Life.

Quantity: a lot of 1 piece.

Part number: F-1000/12V

Load Maximum Current: +/-5Amp, +/-20Amp and +/-30Amp selectable. Load Frequency Bandwidth: DC ~ 80 kHz. Minimum Isolation Voltage: 2.1 kV(RMS). Operating Voltage: Regulated 5VDC, or 8 ~ 35VDC. Operating Current: 20mA(max).

The item provides economical and precise solutions for AC or DC current sensing in industrial, commercial, and communications systems. Typical applications include motor control, load detection and management, switched-mode power supplies, and overcurrent fault protection.

Output voltage proportional to AC or DC currents.

Load Maximum Current: +/-5Amp, +/-20Amp and +/-30Amp selectable. Load Frequency Bandwidth: DC ~ 80 kHz. Minimum Isolation Voltage: 2.1 kV(RMS). Operating Voltage: Regulated 5VDC, or 8 ~ 35VDC. Operating Current: 20mA(max).

The item provides economical and precise solutions for AC or DC current sensing in industrial, commercial, and communications systems. Typical applications include motor control, load detection and management, switched-mode power supplies, and overcurrent fault protection.

Output voltage proportional to AC or DC currents.

Load Maximum Current: +/-5Amp, +/-20Amp and +/-30Amp selectable. Load Frequency Bandwidth: DC ~ 80 kHz. Minimum Isolation Voltage: 2.1 kV(RMS). Operating Voltage: Regulated 5VDC, or 8 ~ 35VDC. Operating Current: 20mA(max).

The item provides economical and precise solutions for AC or DC current sensing in industrial, commercial, and communications systems. Typical applications include motor control, load detection and management, switched-mode power supplies, and overcurrent fault protection.

Output voltage proportional to AC or DC currents.

Prototype Screw Shield Board Kit For Arduino UNO R3, Mini Terminal Block.

FR-4 fiber glass PCB, dual copper layers, size 67.2mm x 48mm.

Pads grid / pitch 2.54mm / 0.1", hole diameter 0.8mm.

Load Maximum Current: +/-5Amp, +/-20Amp and +/-30Amp selectable. Panel Mount Version.

The item provides economical and precise solutions for AC or DC current sensing in industrial, commercial, and communications systems. Typical applications include motor control, load detection and management, switched-mode power supplies, and overcurrent fault protection. The device is not intended for automotive applications.

Output voltage proportional to AC or DC currents.

Load Maximum Current: +/-5Amp, +/-20Amp and +/-30Amp selectable. Panel Mount Version.

The item provides economical and precise solutions for AC or DC current sensing in industrial, commercial, and communications systems. Typical applications include motor control, load detection and management, switched-mode power supplies, and overcurrent fault protection. The device is not intended for automotive applications.

Output voltage proportional to AC or DC currents.

Part number: D-1077/24V.

Mount type: panel mount.

Suitable battery: 24V.

★32 pieces double sided PCB prototype boards well packed in a plastic tray which is very easy to store and take out

★5 different size boards to meet your demands when designing your own Arduino kits, electronic experiments and DIY projects

★4 mounting holes at the corners of the board are very convenient for installing them together.

400 point and 830 point breadboards are available to meet your various experimental needs.

White ABS Plastic Body with Black Printed Legend. Color Legend on Distribution Strips.

With Self-Adhesive Tape on the Back, Easy to Stick on the Arduino Prototype Shield.

Useful in transferring breadboarded prototypes to reliable and permanent circuits

Popular breadboard alignment for versatile prototyping purposes

Adaptable with a variety of MCU boards. Compatible with Arduino Nano, ESP8266, NodeMCU, etc.

This product contains five different sizes of circuit boards£¬2*8CM,3*7CM,4*6CM,5*7CM,6*8CM,You also can cut these pc boards into any shape any size, it can meet all your needs.

The boards are all basic green body with soldered holes. Good plating around the holes and a nice variety of sizes for the price.

Package comes with totally 50 pcs prototype circuit blank breadboards that is enough for various electronic and soldering project.

These double side (DS) pcbs with plated through holes design, Each hole on the same side are electrically isolated (NOT a stripboard or sigle side) solderable, You can solder to bridging holes together or use 22-29awg jumper wires for connection. Isolate points bare perfboard.

Lettering on both side of the PC board makes it easier for prototyping projects, Cuttable fiber glass and FR-4 flame resistant good for soldering,Muti Pins, easy to cut and solder with appropriate tools. Flux for easy soldering and extended serving life of printed blank perforated board. Pre-tined plating thru holes

Kits : 20pcs set ( 5pcs 4x6 / 5pcs 3x7 / 5pcs 5x7 / 5pcs 2x8 ) 2*8 3*7 4*6 5*7 CM protoboard | Hole-diameter: 1 mm / 0.04 inches | Hole-pitch point: 2.54mm / 0.1 inches | Conner Mounting-Hole: 2 mm / 0.08 inch | Thickness: 1.6mm / 0.06 inch 5pcs 4 X 6CM double-sided PCB board with 280 holes 5pcs 3 X 7CM double-sided PCB board with 240 holes 5pcs 5 X 7CM double-sided PCB board with 432 holes 5pcs 2 X 8CM double-sided PCB board with 168 holes

The Package comes with 2 pcs double sided pcb prototype board, the proto boards are in the color of Green.

The size of printed circuit board : 9cm X 15cm(3.543" X 5.906"); The weight of one piece universal printed circuit board: 39.0g/1.376oz

The pcb board is double sided, with the plated holes are pre-tinned, the hole diameter of the prototype circuit board is about: 1 mm/0.039", The hole number of printed circuit universal breadboard is: 1836

Selection of Multi-Sized Proto Boards - 31 pieces double-sided prototype boards of 5 different size to meet your demands when designing your own Arduino kits, electronic experiments and DIY projects. （10 pieces 2*8cm, 10 pieces 3*7cm, 5 pieces 4*6cm, 5 pieces 5*7cm and 1 pieces 7*9cm PCB boards

Header Connector - 10 pieces 40 pin male header, 10 pieces 40 pin pitch right angle male headers, 10 pieces 40 pin female header; pitch: 2.54mm, single row and straight connector

Screw Terminal Block - 5 pieces 5.08-301-2P and 5 pieces 5.08-301-3P ; pitch: 5.08mm, rated voltage: 300V, rated current: 16A.

⭐【6 Different Sizes PCB Boards】Double Sided Prototype PCB Boards--1 × 9*7cm, 2 × 8*6cm, 5 × 8*2cm and 5× 7*5cm, 5 × 7*3cm, 5 × 5*4cm PCB Boards, Different Size to Meet Your Demands When Designing Your Own Electronic Projects, Electronic Experiments and DIY Projects.

⭐【Convenient for Projects】The upgrate 0.8mm solder wires, Semi-solid Flux, and High Temperature Marine Resistant Products, Providing Most Necessary Mounting Tools. It’s convenient to use.

⭐【Header Connector】6 pcs 40 pin Male Header, 4 pcs 40 pin Pitch Right Angle Male Headers, 6 pcs 40 Pin Female Header; Pitch: 2.54mm, Single Row and Straight Connector;

5PCS Solderless Breadboards - 3PCS Full-size and 2 PCS Half-size bread boards to meet your experimental needs.

Solid and Reliable - White ABS Plastic solid body with clear printed labels for rows, columns and buses.

Snugly but Lightly - Snugly enough to hold electronic components in place, but lightly enough to remove them.

Prototype PCB for Arduino UNO R3 Shield Board DIY.

Quantity: a lot of 10 pieces.

PCB Dimension: 68.58mm x 53.34mm / 2.7" x 2.1"

✔️3220 Test Points, 4 Binding Posts, 560 U-shape pure copper jumper wires + 65 Pack 24AWG Breadboard Solid Multi colors pure(100%) Copper Jumper Wires Kit

✔️7 Power Lanes, Tie-point 700; 4 Double Strips, Tie-point 2520;

✔️ABS Plastic housing, metal contact clips; Accept wire with diameter 20-29AWG;Black aluminum plate

This Copper Clad Plated Printed Board is desgined For Etch Etching Project.Single Sided (SS) Blank Copper on the Front, Bakelite on the Back.10 pcs a Pack.

With Small Size 7x10 cm - 2.7" x 4" (W*L), 1.6mm - 0.062" Thickness, Weight in 15g 0.5oz Each.10 pieces epoxy Brown 4 x 2.7 inch

Packed with Moisture Protecting Bag to Prevent Copper Rust. 10pcs Bare Boards Kits Delivered in their Best Conditon.

400 Points Breadboard with 2 Positive & Negative Power Lines on both ends.Perfect for Arduino Shield Prototyping and Testing.

Insertion Wire Size is 21 to 26 AWG, 0.016 to 0.028 inches diameter (0.4 to 0.7mm diameter),works with dupont jumper wires kit.

White ABS body with black printed legend. Color legend on distribution strips.

Featuers: 10pcs large breadboard, mb-102 , 830 point prototype breadboard.

Solderless breadboard in breadboard kit is for diy arduino ,and you can use with breadboard jumpers wires and breadboard power supply for toys and games.

Advantages: easy to fixed breadboard jumper wires, easy to use breadboard holder, suitable to pi breadboard kit.

✔️1660 Test Points In Total(including 2 terminal strips 1260 tie-point and 4 bus strips 400 tie-point) & 3 Binding Posts

✔️Will Accommodate Up To (18) 14pin DIP ICs, or (15)16 pin DIP ICs.

✔️ABS Plastic Housing, Aluminum Back Plate,Metal Contact Clips; Accept Wire With Diameter 20-29AWG;