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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 21-40 of 74 products · 26 unavailable products hidden
0.1 36-pin Strip Right-Angle Female/Socket Header (5 pack)
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These single-row right-angle female headers with 0.1" (2.54mm) pitch are an essential building block for electronics projects. Use them to add right-angle socket connections to perfboards, PCBs, and prototyping setups — they accept 22AWG wire or standard male header pins. Each header is 36 pins ...
Little Bird Breadboard Compatible Speaker Bulk Pack 20 units
This bulk pack gives you 20 compact speakers ready for breadboard-based audio experiments, classroom kits and workshops. It is a Little Bird exclusive designed to make simple sound output quick to set up.Each speaker has jumper wires and standard header pins pre-soldered, so it can plug directly ...
JST PH 3-Pin to Male Header Cable - 200mm
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The JST PH 3-Pin to Male Header Cable converts a JST PH 3-pin connector into three individual colour-coded wires, each terminated with a 0.1" (2.54 mm) male header pin. It's ideal for extending sensor or LED connections to a breadboard or development board. At 200 mm long, this cable provides en...
JST PH 4-Pin to Male Header Cable - I2C STEMMA Cable - 200mm
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This 200 mm cable converts a JST PH 4-pin connector into four individual wires with 0.1″ (2.54 mm) male header pins on the end. It's designed for connecting STEMMA and Grove I²C boards to breadboards, socket headers, or any standard 0.1″ pitch connection. Key Features JST PH to Male Headers – ...
Color Coded Header for Raspberry Pi
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A colour-coded 2×20 pin header for the Raspberry Pi Zero and Zero W that makes it easy to identify pin functions at a glance. Each pin group is colour-coded so you can quickly find power, ground, and GPIO pins without counting or consulting a pinout diagram. Colour Coding Red – 5 V Yellow – 3...
0.100 (2.54 mm) Breakaway Male Header: 2x40-Pin, Straight Blue
This double-row, 80-pin (2×40) straight male header strip with 0.1" (2.54mm) pitch is a versatile connector for electronics projects. The breakaway design lets you snap or cut it into any dual-row length you need. The blue colour makes it easy to colour-code sections of your project. Standard 0....
40 pin 30CM Jumper wire F/M
A 40-pin ribbon of female-to-male (F/M) jumper wires, 30cm long, in ten rainbow colours. The wires fit standard 0.1″ (2.54mm) pitch headers and can be kept as a ribbon for neat harnesses or separated into individual jumpers. Key Features Female-to-Male (F/M) – 0.1″ female header on one end, ma...
40 pin 30CM Jumper wire F/F
A 40-pin ribbon of female-to-female (F/F) jumper wires, 30cm long, in ten rainbow colours. The wires fit standard 0.1″ (2.54mm) pitch headers and can be kept as a ribbon for neat harnesses or separated into individual jumpers. Key Features Female-to-Female (F/F) – 0.1″ female header contacts o...
Arduino Uno - R3
The Arduino Uno R3 is the most popular Arduino board and an ideal starting point for learning electronics and programming. Built around the ATmega328 microcontroller, it offers a robust platform for prototyping, interactive projects, and connecting to sensors, actuators, and other hardware. The ...
40 pin 30CM Jumper wire M/M
A 40-pin ribbon of male-to-male (M/M) jumper wires, 30cm long, in ten rainbow colours. The wires fit standard 0.1″ (2.54mm) pitch headers and can be kept as a ribbon for neat harnesses or separated into individual jumpers. Key Features Male-to-Male (M/M) – 0.1″ male header pins on both ends 4...
TT Gearbox Motor
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The classic yellow "TT" plastic gearbox motor, in every gear ratio and lead termination we can get. Dual output shafts, 3–6VDC, and the standard TT footprint that fits every common bracket, wheel and chassis. Choose the gear ratio first The ratio decides the trade between speed and torque. It is ...
INA228 Qwiic Current Sensor Breakout
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This compact Qwiic breakout uses the Texas Instruments INA228 digital power monitor to measure DC current and power with high precision over I2C. The onboard 20-bit delta-sigma ADC supports readings for current, voltage, power, temperature, energy and charge accumulation.For quick wiring, the boa...
TermDriver 2 USB-to-Serial Adapter with IPS Display
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This compact USB-to-serial interface adds a built-in screen to the serial adapter workflow, so you can see data passing by instead of debugging blind. It handles everything from low-speed console output to high-speed UART traffic, with line status and traffic visible on the device itself.The disp...
Pimoroni Pico Display Pack 2.8-inch
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Add a bright 2.8-inch colour display to your Raspberry Pi Pico project with this Pimoroni display pack. It uses a 320×240 pixel IPS LCD driven by an ST7789V controller, giving you a generous active screen area for menus, status displays, dashboards and simple graphics.The board includes four tact...
MicroMod Main Board - Double
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This Double Main Board is a carrier for SparkFun’s MicroMod ecosystem, letting one MicroMod Processor Board connect to up to two MicroMod Function Boards. The M.2 MicroMod connectors make it straightforward to align the keyed edge connectors and secure the boards with screws.USB-C is provided for...
Raspberry Pi Zero W Basics Kit
The Raspberry Pi Zero W Basics Kit includes the Pi Zero W single-board computer along with essentials to get started. The Pi Zero W adds built-in WiFi and Bluetooth to the compact Pi Zero form factor, making it ideal for lightweight IoT projects, headless servers, and embedded applications. Key ...
LiPo SHIM for Pico
This SHIM provides a convenient way of powering your Raspberry Pi Pico from a LiPo/LiIon battery. You can recharge the battery easily by providing power to the Pico's USB port. Solder this neat little square to the pins on the back of your Pico, plug in a suitable lithium-ion/polymer battery ...
40 pin 15CM Jumper wire M/M
A 40-pin ribbon of male-to-male (M/M) jumper wires, 15cm long, in ten rainbow colours. The wires fit standard 0.1″ (2.54mm) pitch headers and can be kept as a ribbon for neat harnesses or separated into individual jumpers. Key Features Male-to-Male (M/M) – 0.1″ male header pins on both ends 4...
BME680 Breakout - Air Quality, Temperature, Pressure, Humidity Sensor
The state-of-the-art BME680 breakout lets you measure temperature, pressure, humidity, and indoor air quality, and is Raspberry Pi and Arduino-compatible! Use this breakout to monitor every aspect of your indoor environment. Its gas resistance readings will react to changes in volatile organic...
BH1745 Luminance and Colour Sensor Breakout
A really sophisticated and accurate colour and luminance sensor breakout that's Raspberry Pi and Arduino compatible. As well as detecting RGB colour and light level, it has added bells and whistles like 50/60Hz light noise rejection, a wide detection range, and two illumination LEDs. T...
