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Showing 21-40 of 50 products · 10 unavailable products hidden
Arduino Power Supply 9VDC 500mA
Introducing our new range of Ultra-slim Switchmode AC adaptors. They are extremely light, sleek and compact; enough to snugly and neatly fit side by side on a power board, no more wasted AC outlets! Incorporates a high efficiency circuit, built in EMI filter, short circuit protection, over cur...
Electronics Components Basic Starter Kit
Packing list: 10 × White LEDs10 × Yellow LEDs10 × Blue LEDs10 × Green LEDs10 × Red LEDs1 × RGB LED2 × Photoresistors (LDR)1 × Thermistor5 × Rectifier Diodes (1N4007)5 × NPN Transistors (PN2222)1 × Optocoupler IC (4N35)1 × Shift Register IC (74HC595)10 × Tactile Push Buttons (small)1 × Active...
Rotating LED Warning Light with Adjustable Volume Buzzer Alarm
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THE REACTOR'S MELTING DOWN! GRAB THE FUEL CORE, JENNA, AND EVACUATE THE COMMAND CENTER! With this Rotating LED Warning Light with Adjustable Volume Buzzer Alarm, you can monitor and easily alert humanoids as to the status of a project, machine, or even if the bathroom is occupied!This alarm is ve...
Adafruit Motor/Stepper/Servo Shield for Arduino v2 Kit [v2.3]
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The Adafruit Motor/Stepper/Servo Shield v2.3 is the upgraded successor to the original Motor Shield, delivering higher current, lower voltage drop, and a fully I2C-based design that frees up your Arduino's PWM pins. Drive up to 4 DC motors or 2 stepper motors plus 2 hobby servos from a single sta...
Adafruit MetroX Classic Kit - Experimentation Kit for Metro
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The Adafruit MetroX Classic Kit is a comprehensive experimentation kit with over 20 guided circuits and projects to explore microcontroller basics. Built around the Adafruit Metro 328 (Arduino UNO-compatible), this kit covers LEDs, transistors, motors, integrated circuits, pushbuttons, sensors, r...
Plastic Water Solenoid Valve - 12V - 1/2 Nominal
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Control the flow of fluid using the flow of electrons! This liquid valve would make a great addition to your robotic gardening project. There are two 1/2" (Nominal non-taped National Pipe) outlets. Normally, the valve is closed. When 12VDC is applied to the two terminals, the valve opens and w...
Heatsink TO-220
A small black anodised aluminium heatsink designed for TO-220 package components. Bolts directly onto voltage regulators, transistors, and other TO-220 devices to help dissipate heat and keep them running within safe operating temperatures. Key Features TO-220 Compatible – Standard bolt-on mou...
Learn to Solder - DIY Ultrasonic Ranging Electronic Kit
A DIY soldering kit that builds into a functional ultrasonic distance meter. Using an HC-SR04 ultrasonic sensor, STC89C52 microcontroller, and 3-digit 7-segment display, this kit measures distances from 5cm to 4m with a built-in buzzer alarm when objects get too close. The microcontroller comes ...
18650 Battery Protection Module (12V 10A)
A 3S (3-series) battery protection module designed for connecting three 18650 or polymer lithium-ion cells in series to create a 12 V rechargeable battery pack. The board provides overcharge, over-discharge, overcurrent, and short-circuit protection to safeguard your battery pack during charging ...
Transistor - NPN (2N3904)
These are very common, high quality BJT NPN transistors made by ST Micro. Datasheet: 2N3904
Solar Power Manager with Panel (5V 1A)
Note: Includes Solar Power Manager 5V and Semi Flexible Monocrystalline Solar Panel (5V 1A). The DFRobot Solar Power Manager series are designed for IoT projects and renewable energy projects, providing safe and high-efficiency embedded solar power management modules for makers and application...
Bag of 2N3904/2N3906 Transistors - 10 Pack
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Stock up your parts drawers with a handy mix of general-purpose transistors for prototyping, repairs and everyday circuit building. Transistors are core components in modern electronics, used for tasks such as switching a simple LED or amplifying an audio signal.This kit includes five 2N3904 NPN ...
Transistor - PNP (2N3906)
These are very common, high quality BJT, PNP transistors made by ST Micro. Datasheet: 2N3906
ESP32(ESP-WROOM-32) WiFi Bluetooth Dual-Core MCU Module
INTRODUCTION The ESP32 WiFi and Bluetooth chip is the latest generation of Espressif products. It has a dual-core 32-bit MCU, which integrates WiFi HT40 and Bluetooth/BLE 4.2 technology inside. Compared to the arduino ESP8266 (the previous generation), the ESP32 has a significant ...
SparkFun Opto-isolator Breakout
This is a board designed for opto-isolation. This board is helpful for connecting digital systems (like a 5V microcontroller) to a high-voltage or noisy system. This board electrically isolates a controller from the high-power system by use of an opto-isolator IC. This IC has two LEDs and two pho...
2N7002PW N-Channel MOSFET - 60V 0.3A
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This N-channel MOSFET is a handy switching component for controlling a higher-power load from a low-power control signal.Its gate drive is compatible with typical 3–5V microcontrollers or a mechanical switch, making it useful for simple digital load switching in compact electronics projects.The d...
Transistor (pack of 5) - PNP
Transistor are a type of electronic switch used for controlling the flow of a circuit and amplifying signals.They have three legs: the base, the collector, and the emitter.NPN: When a voltage is applied to the base leg of the transistor it allows current to flow from the collector to the emitter....
Brass Liquid Solenoid Valve - 12V - 1/2 NPS
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Control the flow of fluid using the flow of electrons! This liquid valve would make a great addition to your robotic gardening, aquarium, or pool project. There are two 1/2" (Nominal NPS) outlets. Normally, the valve is closed. When 12VDC is applied to the two terminals, the valve opens and wa...
BBC Micro bit Prototype Expansion Board
This prototype expansion board breaks out all of the BBC micro:bit's edge connector pins to labelled headers and includes a small breadboard for building circuits. It provides a beginner-friendly way to learn electronics and programming with the micro:bit, making it easy to connect sensors, LEDs,...
Four Channel Relay for Micro: bit
Do you still looking for the relay module for the Micro: bit? Here we had combined the relay with the Micro: bit and you can use Micro: bit to control 4 relays at the same time. Features Apply to Micro: bit. Four channel relay. Specifications Input voltage: 5v Load voltage and current:...