Search results for: 'npn transistor'
- NPN Transistor (2N3904)Transistors Bipolar - BJT NPN Transistor General Purpose (200mA).
- Transistor - NPN (BC337)SKU: COM-13689 Brand: SparkfunThis is the BC337, an NPN silicon BJT (Bipolar Junction Transistor). This little transistor can help in your project by being used to help drive large loads or amplifying or switching applications. The BC337 is specifically rated at 50V and 800mA max.
- Transistor - NPN (2N3904)These are very common, high quality BJT NPN transistors made by ST Micro.
- PN100 NPN Multi-replacement TransistorSKU: CE07792Two transistors which will replace a multitude of common hard to get devices. TO-92 package.
- Transistor - NPN, 60V 4A (2N5191G)SKU: COM-13951 Brand: SparkfunThis is the 2N5191G, an NPN silicon transistor. This little transistor can help in your project by being used to help drive large loads or amplifying or switching...
- Bipolar Transistor Kit - 5 x PN2222 NPN and 5 x PN2907 PNPSKU: ADA3599 Brand: AdafruitTransistors are powerful little electronic switches, and Adafruit really like these NPN and PNP transistors whenever Adafruit need to control medium-power electronics, such...
- NPN Bipolar Transistors (PN2222) - 10 packSKU: ADA756 Brand: AdafruitTransistors are powerful little electronic switches, and Adafruit really like these NPN transistors whenever Adafruit need to control medium-power electronics such as small...
- Transistor - PNP (2N3906)SKU: COM-00522 Brand: SparkfunGet your DIY projects moving with our high-quality PNP Transistor - 2N3906. Trustworthy and versatile with multiple applications possible.
- Photo Transistor Light SensorSKU: ADA2831 Brand: AdafruitThis Photo Transistor Light Sensor is a simple sensor that detects ambient light. It's kind of the opposite of an LED - when light hits the little chip inside, it...
- Transistor Pack (170 pcs)SKU: FIT0322 Brand: DFRobotThis package includes 17 species transistors in common use.It's convenient for you to make some small designs.You could find a suitable one for your type!
- Analogue Multimeter With Transistor TestSKU: AQ1026A Brand: Core Electronics
Analogue meters are ideal for observing constantly varying quantities such as cyclic voltages or for speaker resonance testing. This meter has 20kΩ/Volt sensitivity with a colour scale and mirrored arc for parallax error reduction. Includes audible continuity tester, battery test range, and up to 10A DC current measurement.
- Analogue Multimeter With Transistor TestSKU: AQ1026B Brand: Core ElectronicsAnalogue meters are ideal for observing constantly varying quantities such as cyclic voltages or for speaker resonance testing. This meter has 20kO/Volt sensitivity with a colour scale and mirrored arc for parallax error reduction. Includes audible continuity tester, battery test range, and up to 10A DC current measurement.
- NPN to PNP Signal Converter / Adapter ModuleSKU: FIT0850 Brand: DFRobotThis signal converter is designed to convert NPN signal to PNP and is equipped with surge absorption and over-current protection to further protect your...
- 16-Pin Darlington Transistor Array IC - ULN2003SKU: CE07193ULN2003N 16 Pin Darlington transistor array
- TIP120 Power Darlington Transistors - 3 packSKU: ADA976 Brand: AdafruitTransistors are powerful little electronic switches, and when Adafruit's little NPN transistors aren't power enough for your project, Adafruit have been known to use these beefy...
- PNP Bipolar Transistors (PN2907) - 10 packSKU: ADA3598 Brand: AdafruitTransistors are powerful little electronic switches, and Adafruit really like these PNP transistors whenever Adafruit need to control medium-power electronics, such as small...
- Optical Detector / Phototransistor - QRD1114SKU: SEN-00246 Brand: SparkfunThis sensor uses an infrared emitted diode combined with an infrared phototransistor to detect the reflected infrared signal. Ideal for sensing black-to-white transitions or can be used to detect nearby objects (.5-1cm).
- PhototransistorSKU: CE09800 Brand: Core Electronics
Phototransistors are semiconductors that change properties based on ambient visible light intensity. Perfect for inexpensive daylight sensors, and light-based triggers.
$1.90 AUD, inc GSTDelivered by Apr 29th - SparkFun Discrete Semiconductor KitSKU: KIT-13682 Brand: SparkfunIf you do anything with electronics, you’re probably already using transistors, but you’re probably using them in large, prepackaged clusters of just one type. The SparkFun Discrete Semiconductor Kit addresses your needs of only needing one or a couple transistors without you needing go and order a single transistor. Inside each kit you will find multiple types of semiconductors including PNP and NPN bipolar transistors, N-channel and P-channel MOSFETs, diodes, adjustable voltage references, and adjustable voltage regulators.
- Ambient Light Sensor - TEMT6000SKU: COM-08348 Brand: SparkfunThis is a small ambient light sensor that acts as an NPN transistor. The more the sensor is exposed to light, the stronger the base bias. Simple to use! Simple breakout board available below.Special Price $2.34 AUD, inc GSTRegular Price $2.75 AUD, inc GSTDelivered by Apr 29th
- TO-220 Clip-On HeatsinkSKU: ADA977 Brand: AdafruitGet the most out of your regulators, transistors and other TO-220 packaged chips by clipping on a heat-sink. Your transistor or regulator may advertise it can handle...
- A1102 Hall Effect SensorSKU: CE05296The A1101 Hall-effect switches include the following on a single silicon chip: voltage regulator, Hall-voltage generator, small-signal amplifier, Schmitt trigger, and NMOS output transistor. The integrated voltage regulator permits operation from 3.8 to 24 V.
- SMT Breakout PCB Set For SOT-23, SOT-89, SOT-223 and TO252SKU: ADA1230 Brand: AdafruitBeguiled by a fancy new chip, regulator or transistor that is only available in a SOT23-3, SOT23-5, SOT23-6, SOT-223, SOT-89, or TO-252 pinout? This set of breakout...
Analog Electronics Crash Course
Welcome to our beginners tutorial on analog electronics. Living in the digital age that we do, it’s easy to disregard the world of discrete analog components, however these concepts form the basis for everything from your mobile phon...
MOSFETs for Makers: Getting Started with High-Power Control
In this guide, we’ll learn how to harness the power of MOSFET transistors to easily control higher-powered components like solenoids, motors, and Peltiers with a microcontroller. First, we will cover an easy-to-follow example using s...
DC Motor Control with an Arduino
Electronics is fun, so far we have covered off on communicating between devices, making LEDs flash and LCD screen operation. However using electricity to control some form of movement in your project is a fun and interesting aspect to inves...
Using Relays with Particle
So, you want to control things with your Particle Photon and/or Electron do you? Well, a relay is a perfect way to do that. Whilst there are many ways to control an electrical signal from digital logic such as transistors and optoisolators,...
Controlling a Solenoid with an Arduino
In this tutorial, we will look at the basics of Solenoids and how they work. Then we will design a small circuit that can drive a Solenoid from the input/output pins on your Arduino board. We covered a whole bunch of rotational motion co...
Controlling a Solenoid with Raspberry Pi and a Relay
Here is how to control a 12 Volt Solenoid with a Raspberry Pi using a 5 Volt Relay. Solenoids are an immensely useful way to turn electrical energy into a linear motion. Solenoids come in a variety of different specifications with 5 Volt an...
Arduino Projects with Robotics Using the Sparkfun RedBoard
Welcome to the final Project Set of the Sparkfun Inventors Kit! This Project Set focuses on Robotics with the final Circuit being an Autonomously Driving Vehicle! New components introduced in this tutorial are: DC Motor/Gearbox Mo...
Tiny Screens for Raspberry Pi - Waveshare 3.5 Inch LCD
There is a whole range of Sub-4 Inch Displays that attach directly to the GPIO pins of Raspberry Pi Palm-Sized Computers. Many of them are touch devices and increase the usability of your Raspberry Pi whilst making almost no size sacrifices...
Relay Operation and the Arduino Uno
If you could operate your switch without physically toggling it on and off, you would open yourself up to an entire section of electronics. Relays are one of the best ways of doing this. A relay is essentially just a switch, controlled by a...
Control Multiple Fully-Addressable WS2812B RGB LED Strips with a Raspberry Pi Single Board Computer
This is an update to an older guide done so that we can provide you with the fastest, most modern, and best way to set up your system. Nothing beats bright shiny colourful lights and this guide demonstrates the fastest and most customizab...
Solarbotics Paris Flyer CarouSol Kit Speed Build
We had a lot of fun making this speed build video for the Paris Flyer CarouSol Kit by Solarbotics. If you aren't already familiar, Solarbotics makes a great line of DIY electronics kits made from laser cut materials. They range from quite s...
Motor Drivers vs. Motor Controllers
If you’ve ever built a robot with wheels, or any motorised parts really, you’ll have come across the issue of needing to drive it from your microcontroller. Because a standard chip is only able to output a small amount of curren...
Getting Started With Relays | Examples with Raspberry Pi Pico
In this guide, we'll learn what a Relay is, why we might use one, how to choose a Relay, and finally how to use one with a Raspberry Pi Pico. To follow along you'll need: A 5V SPDT Relay - I'll be using a 5V Single Channel Relay M...
Join the new age with a Mooshimeter
The multimeter is one of the essential tools in your electronics toolkit. These battery operated devices combine several measurement functions into one easy to use device. You can get Analog or Digital multimeters, each displaying your meas...
Counting with Hexadecimal, Binary, and Decimal
Welcome to Counting with Computer 101. Have you ever looked at a colour on a computer and seen something like this #28FE9A? Or perhaps the T-shirt stating ‘There are 10 types of people in this world, those who understand binary, and t...
How to Use DC Regulators/Converters
So, you might have the best project in the world, an amazing idea and design, but no matter how clever your circuitry or how advanced your prototype is, unless you can power your project correctly, it all counts for nothing. Often you will ...
How to use a Digital Multimeter
A digital multimeter (DMM) is one of the most common tools on a Maker's bench. We use DMMs to take electrical measurements in a fast and relatively accurate way. The reason we call it a multimeter is because they can take multiple types mea...
How To Choose The Right Resistor.
Resistors are the hardworking underdogs of the electrical circuit world. You have probably added a 4.7k or 330-ohm resistor into your circuit without thinking about why we use those values, let alone what the resistor is doing. We are going...
Controlling Stepper Motors with the Arduino
Stepper Motors are a bit of a halfway mark between DC Motors and Servo motors, but they find a sweet spot that allows them to be perfect for certain applications. There are still a few main differences to be aware of when it comes to workin...
All About Electrical Switches
On and Off. It’s the basis for all electronics, from the most sophisticated computer network to a simple circuit. Electronics is all about using one thing, to control another, input and output, on and off. Even the transistors inside ...
Snap Circuits makes Electronics Fun and Educational
From breadboarding to soldering, the way we connect our components is critical to ending up with a working circuit. Before the new-age tech startups like littleBits and innoBits came along with their magnetic clip-together building blocks, ...
Programming with USB-Serial Converters
Thanks to huge advancements in technology over the last decade, the maker community that we know and love has thrived. It’s now easier than ever before to get started with programming and tinkering due to the innovation from brands su...
Understanding ESP32 Naming Conventions
Espressif is a constantly ground-breaking company that produces lots of really cool development modules which includes the ESP32. ESP32 Boards, ESP32 Dev-Kits, and ESP32 Modules (the part that gets soldered to the Board/PCB) are all about ...
Makerverse Motor Driver, 2 Channel - Application Guide
Introduction The Makerverse Motor Driver has been updated to a v20 design which now features a 5V output pin instead of the VM pin. Some images and in-video descriptions in this guide may be outdated This guide covers the use of the Maker...
Set Up a Geophone with a Raspberry Pi and an ADC (ADS1115)
Geophones are devices that generate electric signals proportional to the particle velocity in a sound/compression wave. More simply a Geophone is a super low frequency microphone for the ground. Geophones are used around the world to measu...
How to use a RTC With an Arduino UNO R3 to Create an Accurate Clock (LCD Screen and Nixie Tubes)
Today we're pulling out the breadboard, getting up and running with an RTC module then finishing up by making ourselves a clock that will keep the correct time even when we pull the plug. To achieve this we will be combining three main com...
Darlington Pair Touch Circuit
Ever seen a touch lamp in action and wondered how on earth we can make that using basic components? This project is a basic circuit with 2 transistors to amplify a signal from your touch.Extra: The LED doesn't actually blink like that, just...
NeoPixel Mini Cube
This mini cube is made up of six 4x4 WS2812B panels giving a total of 96 individually addressable RGB LEDs. Buried inside the cube is an ATTiny85 microcontroller powered by a 120mAh Lithium-Ion battery. It also contains a mercury switch and...
Duck Off! A Duck Repellent Device
Introduction
We live on a rural property and have around 20 to 40 wild ducks around at any one time. We have a large dam and jetty, however it is almost unusable due to all the ...
safePower
I like working with the Pi Zero W and Pi 4 as they are very compact, very powerful and very cheap for the capability they offer. I want to use them on small projects, stand-alone, and can't always guarantee power. As we know most Pi's don't...
IR Break-Beam Stopwatch
This project is a simple stopwatch with a little bit of a twist! It operates like a conventional stopwatch… you can start and stop it, you can record lap times and you can review the lap times once you hit stop. The twist is th...
WiFi Garage Door Controller with Raspberry Pi Pico W
I strapped a Raspberry Pi Pico W to my garage door motor and now I can control my garage door from my phone! The Pico W hosts a simple webpage on my local network with three control buttons - one for Up, Stop and Down. Pressing one of...
mmPi-Pico HAT
I use a Raspberry Pi running EmonCms for collecting sensor data and controlling devices around the home but several things have been on my To-Do list to enhance its functionality. A Shutdown/Power Down/Startup circuit. Proportional fan...
Circadian Lighting
After experimenting with automatic blue light filters on my electronic devices I wanted to replicate the idea with the lighting around the house so that it would gradually transition to warmer colours as the night progresses. I believe this...
GraviTrack Enhancements - Lights and Sound
Introduction Searching for solar panels and related items on the Core Electronics website; I came across the Solarbotics GraviTrack Marble Machine Kit. I thought the kit would be a good educational tool for the grandkids. The kit was a hit...
IoT House
These days we can do just about anything on our phone, we can control so many aspects of our lives using the technology in our pocket, but the most mundane aspects of our lives; opening the garage door, blindly reaching for the light switch...
Articulated Mule
Converting a Mule into an articulated 4 wheel vehicle. A 'Mule' is/was a hand trolley with a motorised elevatable platform. What for? Just for fun, want to be able to control it using the R2D2 droid inventor app via LittleBits boards, why ...
Keypad entry to caravan using Arduino
I used to sleep in a caravan on my grandparent's property and as amenities were inside the house I had to go in and out of it quite regularly. I got sick of fumbling around with keys to go in and out of my caravan, so this project uses an A...
Ping Pong Launcher
I like to take on projects that give me an opportunity to learn new things. For this project, my two goals were to learn more about face detection algorithms and PID controllers but of course, there were so many more skills learned along th...
Robot Arm Upgrade Project
This project has been a long and tricky one for me, I purchased my robot arm kit from Jaycar many years ago with the intention of controlling it from the start. I used to work with industrial robots, so when I saw this robot kit for sale I...
Aircraft Lighting Model
The aim of this project was to create a working model of the aircraft exterior lighting systems. Initially, this started as a simple project for Uni, but I wasn’t having that. I wanted to learn something. So of course, I went over the...
IoT Chicken Shed (Arduino, Wifi)
If you have chickens and find you're not always available to close the gate at night or check the water levels each day, then why not use an ESP8266 to automate your chicken door and receive alerts door status and low water level, as well a...
Infinity-Mirror Table
An infinity mirror creates a striking optical illusion - a tunnel of light that seems to tear through space. I built this infinity-mirror table using some addressable LEDs, a Particle Photon and easily obtainable timber supplies. Check out...
Time lapsing in OctoPrint (Properly!)
Now that we have decked out our Lulzbot Taz 6 3D Printer with a really nice looking acrylic enclosure, I'm just about ready to turn on some serious 3D printing work. But before I dive into that endless pool of fun, it's a good time to take ...
Smart Home Makeover with HomeAssistant
IntroductionI wanted to bring ageing, and failing, Home Automation infrastructure into the modern age whilst retaining hardware investments already made. Our house had Universal Power Bus (UPB) dimmers and switches installed at build time...
Math Scroller
I was looking for something educational to 3D-Print for my child in Thingiverse and came across the concept of the Math Spinner. I found the models lacked a method of checking the answer so I wanted to automate it. The core design is inspir...
PowerPlay SSR Control
Introduction
The aim of PowerPlay is to provide an Arduino platform for managing downstream Solid State Relays (SSR) simply and safely. PowerPlay consists of a custom Arduino Shield, ...
Makers love reviews as much as you do, please follow this link to review the products you have purchased.