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If you meant Raspberry Pi 40-pin GPIO (2x20, 2.54mm pitch) headers, these are the best fits:
Raspberry Pi 2x20 (40-pin) GPIO headers
- Standard 2x20 male header (great for Pi Zero or any board needing a through-hole GPIO header): Raspberry Pi GPIO Male Header - 2x20 ($1.55)
- Keyed/polarised boxed (shrouded) 2x20 for ribbon-cable style connections: Raspberry Pi GPIO Shrouded Header - 2x20 ($2.15)
- Stacking/extra-tall 2x20 female for HAT stacking/clearance:
- Low-profile HAT headers:
- Through-hole short female: GPIO Header for Raspberry Pi HAT - 2x20 Short Female Header ($4.20)
- SMT short female: SMT GPIO Header for Raspberry Pi HAT - 2x20 Short Female Header ($3.90)
- Extra reach/clearance female headers (extended height options):
Single-row “40-pin” breakaway strips (not 2x20)
If you meant one row of 40 pins (common for Arduino/prototyping), these are 2.54mm pitch breakaway strips:
- Arduino Male Pin Headers | 0.1 (2.54 mm) Straight Black ($3.75)
- Longer pins: 40 Pin Break Away Male Header- Long Straight-10 Pcs ($4.75)
- Right-angle: 40 Pin Break Away Male Header- Right Angle-10 Pcs ($3.75)
- Single-row female strip: 40 Pin Female Header Strip ($1.55)
Related (if you’re extending the Pi’s 40-pin header)
- 40-pin GPIO extender cable (2x20 to 2x20): 40 Pin GPIO Extension Cable for any 2x20 Pin Raspberry Pi - 150mm / 6 long ($7.00)
- Breakout/extension kit: GPIO Kit for Raspberry Pi Model B+ ($5.85)
(For completeness, if you meant jumper shunts rather than headers: 40 Pin Dual In-Line (DIL) / Jumpers ($2.30))
Showing 1-20 of 100 products
Metal Gear Servo 180 Degrees
This High-Torque MG996R Digital Servo features metal gearing resulting in extra high 10kg stalling torque in a tiny package. The MG996R is essentially an upgraded version of the famous MG995 servo, and features upgraded shock-proofing and a redesigned PCB and IC control system that make it m...
Arduino Leonardo Microcontroller
The Arduino Leonardo is a microcontroller board based on the ATmega32U4, offering the same flash, RAM, and capabilities as the ATmega328 found in the Uno. The key difference is built-in USB communication, allowing the Leonardo to appear as a keyboard, mouse, or serial device to a connected comput...
2x1.2A DC Motor Driver (TB6612FNG)
The DFRobot 2×1.2A DC Motor Driver is a compact dual-channel motor driver based on the TB6612FNG IC. It requires only four GPIO pins to control two DC motors, using the same control logic as the DFRobot L298N motor driver — making existing L298N code directly compatible. Each channel delivers up...
Stackable 0.100" Female Header with Extra 0.3" Spacer: 2x20-pin, Straight
A 2×20-pin stackable female header designed for the Raspberry Pi GPIO. The extended pins allow HATs and add-on boards to be stacked while still providing access to all 40 GPIO pins for additional connections. This version includes three removable 0.1" spacers, giving it extra height to clear the...
Receiver Shield for Arduino: 315MHz / 433MHz
315MHz and 433MHz wireless connections are very commonly used by consumer electronics including weather stations, home automation remote controls, power consumption meters, car alarms, and also many DIY projects. The “Weather Station Receiver” project in the book “Practical Arduino” shows h...
Stackable Header - 8 Pin (Extended)
An 8-pin female stackable header with extended legs, designed for stacking Arduino shields and prototyping boards. The extra-long pins pass through one board and connect to the next, making it easy to build multi-layer shield stacks. Standard 0.1-inch (2.54mm) pin spacing ensures compatibility w...
Romeo V2- Arduino Robot Board (Arduino Leonardo) with Motor Driver
RoMeo V2 [R3] is an All-in-One Arduino based robot board, it is especially designed for robotics applications, and extended devices. Romeo benefits from the Arduino open source platform, it is supported by thousands of open source projects, and can easily be expanded with Arduino Shields. The ...
I2C 20x4(2004) LCD Display for Arduino
A 20×4 character I2C LCD display module compatible with Arduino and other microcontrollers. It shows white characters on a blue backlit background, and the I2C interface means you only need two data pins (SDA and SCL) instead of the six or more required by a standard parallel LCD. The module sup...
Analog Output K-Type Thermocouple Amplifier - AD8495 Breakout
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The AD8495 from Analog Devices is an analog-output K-type thermocouple amplifier on a compact breakout board. Simply power the board with 3–18V DC, connect a K-type thermocouple to the terminal block, and read the temperature as a voltage on the OUT pin — no digital protocols or complex configura...
Fermion BMP585 Pressure & Temperature Sensor - I2C/SPI/I3C
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This compact Fermion breakout brings the Bosch BMP585 MEMS pressure and temperature sensor to a tiny board for projects where space, power use and reliable environmental sensing matter. It measures barometric pressure for altitude and vertical movement applications, with typical absolute pressure...
Spring Terminals - PCB Mount (4-Pin)
These 4-pin PCB-mount spring terminals provide a quick, tool-free way to connect bare wires to your circuit board. Simply press the spring arm to open the aperture, insert the wire, and release — the wire is held firmly in place. With standard 0.1" (2.54mm) pin spacing, these terminals insert di...
SMT GPIO Header for Raspberry Pi HAT - 2x20 Short Female Header
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A custom-made 2×20 short female header designed for surface-mount (SMT) Raspberry Pi HAT designs. This header provides the slimmest possible profile when you need a low-clearance connection between your HAT and a Raspberry Pi. While it requires SMT soldering skills (more challenging than standar...
2.8inch Touch Display Module for Raspberry Pi Pico, 262K Colors, 320×240, SPI
The 2.8" Touch Display Module is designed for the Raspberry Pi Pico, featuring a 320×240 IPS screen with 262K colours and a resistive touchscreen. It connects via the onboard female pin header for direct attachment to the Pico — no wiring required. Driven by the ST7789 display controller and XPT...
3.5inch Touch Display Module for Raspberry Pi Pico, 65K Colours, 480×320, SPI
A 3.5" IPS resistive touchscreen display module designed for the Raspberry Pi Pico. With 480×320 resolution and 65K colours, it uses the ILI9488 display driver and XPT2046 touch controller over SPI. The module plugs directly onto the Pico via an onboard female pin header — no wiring required. Fe...
Polarized Connectors - Header (2-Pin)
A 2-pin polarised male header with 0.1″ (2.54 mm) pin spacing, designed for PCB and perfboard mounting. The keyed housing prevents reversed connections, making it ideal for power and sensor wiring where correct polarity matters. Specifications Pins – 2 Type – Male header (PCB mount) Pin Spac...
40 Pin Dual In-Line (DIL) / Jumpers
A 40-pin (2×20) dual in-line (DIL) jumper strip rated at 3A. The snap-apart design lets you break the strip into individual 2-pin jumper shunts or smaller groups to suit your needs. Key Features Snap-Apart Design – Break to any size from the 2×20 strip 3A Current Rating – Suitable for power a...
Maqueen V5 Replacement N20 Motor Kit
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This official replacement motor kit helps bring a damaged Maqueen V5 educational robot back to life after classroom mishaps, jammed gears, dust, hair or rough handling.It is intended as a single motor replacement for the Maqueen V5. The motor comes with pre-soldered pin headers, so you can swap o...
micro: Breadboard
Micro:breadboard is a micro:bit-based expansion board specially designed for STEM-starter. It comes with a 3.23*2.17” breadboard (independent packing, you need to stick them together), on which you can directly build circuit with all sorts of electronic components. All IO ports are led out in ...
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Extra-tall SMT GPIO Header for Raspberry Pi HAT [2x20 Extra Tall Female Header]
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An extra-tall 2×20 SMT (surface-mount) female header designed for Raspberry Pi HATs. The increased height provides additional clearance for stacking multiple HATs or accommodating taller components on the Pi, such as displays and breakout boards. Compatible with all 40-pin Raspberry Pi models in...
10 Pin IDC Locking Right Angle Header
A right-angle 10-pin IDC box header for PCB mounting, with a locking mechanism to secure ribbon cable connections. The 2.54mm (0.1") pitch double-row header features gold-plated pins and solder-tag attachment. Specifications Type – Double-row box header (plug) Pins – 10 (2×5) Pin Spacing – 2...
