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Showing 21-40 of 43 products · 17 unavailable products hidden
USB to 5.5mm/2.1mm DC Booster Cable - 9V or 12V Output
This cable is kinda fascinating - it has an integrated boost converter, so you can plug it into any USB port (from a computer, battery pack, etc), and it will give you a higher DC voltage! It's a handy way to power a 9V or 12V device. Unlike our other 'USB booster' cables, this one comes with ...
6 x AA battery holder with 5.5mm/2.1mm plug
A 6×AA battery holder with a 5.5mm/2.1mm DC barrel plug, ready to power Arduino boards and other electronics with a standard DC jack. Use alkaline AAs for approximately 9V at 3000–4000mAh, or rechargeable NiMH cells for 7.2V at ~2000mAh. The 9V alkaline output is ideal for boards with a 5V volta...
SparkFun Buck Regulator Breakout - 5V (AP63357)
The SparkFun 5V Buck Regulator Breakout features the AP63357 from Diodes Inc., a 3.5A synchronous buck converter with a wide input voltage range of 3.8V to 32V. The fully integrated 74mΩ high-side power MOSFET/40mΩ low-side power MOSFET provides a high-efficiency step-down DC/DC conversio...
MinIMU-9 v2 Gyro, Accelerometer, and Compass
The Pololu MinIMU-9 v2 is a compact (0.8″ × 0.5″) board that combines ST’s L3GD20 3-axis gyroscope and LSM303DLHC 3-axis accelerometer and 3-axis magnetometer to form an inertial measurement unit (IMU); we therefore recommend careful reading of the L3GD20 datasheet (2MB pdf) and the LSM303DLHC da...
9V Alkaline Battery
A standard 9V alkaline battery (Rayovac). Suitable for powering Arduino boards, breadboard projects, and other electronics — use with a voltage regulator to get a stable 5V output. Key Features 9V Alkaline – Standard disposable battery Rayovac Brand – Reliable performance Also Available 9...
Double-Sided Cool White 6000K 12V LED Strip - 1m
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This flexible LED strip is packed with cool white LEDs on both sides, giving you bright, clean illumination with close to 360-degree light output. The strip is only 6mm wide, making it easy to tuck into signage, props, architectural models, displays and other compact lighting builds.The LEDs are ...
6-AA Battery Holder
A compact enclosed battery holder for six AA batteries, providing approximately 9V (alkaline) or 7.2V (NiMH rechargeable) from a series configuration. Features bare wire leads for flexible integration into your project. Key Features 6-Cell Capacity – Holds six AA batteries in series Enclosed ...
SparkFun Buck Regulator Breakout - 1.8V (AP3429A)
The SparkFun 1.8V Buck Regulator Breakout features the AP3429A step-down DC-DC converter, providing a regulated 1.8V output at up to 2A continuous current from a 2.7V to 5.5V input. An enable pin allows the output to be switched on and off programmatically. The 1" × 1" board offers multiple powe...
AP3429A 3.3V Buck Converter Breakout - 3.3V Output 1.2A Max
The AP3429A Buck Converter Breakout steps down 3.4–5.5V input to a stable 3.3V output at up to 1.2A, with 90–95% efficiency. It's ideal for powering 3.3V circuits from LiPo batteries, 3× alkaline cells, or USB power sources. Designed to be pin-compatible with the LM1117-3.3V TO-220 regulator, yo...
Flexible 12V LED Strip - 480 LEDs per meter - 1m long - Green
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A 1-metre flexible LED strip with 480 green SMT LEDs per metre, soldered side-by-side in a "chip on board" configuration. Topped with a translucent silicone diffuser and encased in a sealed silicone tube, the result is a continuous, smooth light output that resembles neon tubing — without the nee...
A-Star 32U4 Micro
The Pololu A-Star 32U4 Micro is a general-purpose programmable module based on the ATmega32U4 AVR microcontroller from Microchip. It packs 32 KB of flash, 2.5 KB of RAM, and built-in USB into a tiny 1″ × 0.6″ DIP package — even smaller than competing ATmega32U4 boards like the Teensy 2.0 and Pro ...
LPS331AP Pressure/Altitude Sensor Carrier with Voltage Regulator
A breakout board for ST's LPS331AP digital barometric pressure sensor. This sensor measures absolute pressure from 260 to 1260 mbar with excellent accuracy (±2 mbar), making it ideal for altitude estimation, weather monitoring, and indoor navigation applications. The board includes an onboard 3....
12V Step-Up Voltage Regulator U3V16F12
The Pololu U3V16F12 is a compact switching step-up (boost) voltage regulator that generates a fixed 12V output from input voltages as low as 1.3V (after start-up). It handles continuous input currents up to approximately 1.5A with a typical efficiency of 85–95%, making it ideal for battery-powere...
9V Battery snap - Standard
A standard-quality 9V battery clip with flylead connections. The holder is moulded in Delrin with corrosion-resistant nickel-plated springs and studs for reliable everyday use. Specifications Cell Type – 9V Output Connection – Flyleads Cable Length – 150 mm Also Available 9V Battery Snap ...
Alkaline 9V Battery
A standard alkaline 9V battery for powering portable electronics projects, kits, and prototypes. These batteries use alkaline (MnO2) chemistry with a voltage range of 9.6V (fresh) to 4.8V (depleted). At a 50mA discharge rate, capacity is approximately 500mAh. Specifications Chemistry – Alkalin...
9V Snap Connector
A classic 9V battery snap connector terminated with a 2-pin polarised Molex connector. Ideal for quick-connect battery power in breadboard and prototyping setups. Key Features Molex Terminated – 2-pin polarised connector for secure, reversible connections Cable Length – 5 inches (approximatel...
DIODE 1N5819 SCHOTTKY 40V 1A DO41
The 1N5819 is a popular Schottky barrier rectifier diode featuring low forward voltage drop and fast switching. Its 40V reverse voltage rating and 1A current capacity make it ideal for power supply circuits, flyback protection, and solar panel applications. Schottky diodes have a lower forward v...
Reset / Enable Controller - KA75330 3.3V Voltage Detector
A voltage detector is handy for projects where you want to make sure your microcontroller doesn't run at a low voltage. For example, say you have a Feather Huzzah running on a lipoly battery every few minutes. Eventually the battery runs down, and goes below 3.3V, so the voltage to the ESP8266...
9V battery clip with 5.5mm/2.1mm plug
A high-quality 9V battery clip with a pre-assembled 5.5mm/2.1mm centre-positive barrel connector. The moulded plastic clip covers the battery terminals to prevent short circuits, and the barrel plug connects directly to Arduino boards and other devices with a standard DC barrel jack. Key Feature...
6xAA Battery Holder(double layer)
A double-layer 6×AA battery holder with a stacked 3+3 cell arrangement for a more compact footprint. Creates a 7.2V rechargeable battery pack from NiMH/NiCd cells or a 9V pack from alkaline cells. Comes with 150mm (6") red and black wire leads. Specifications Cell Quantity: 6× AA (double layer...
