Circuit Basics http://www.circuitbasics.com Raspberry Pi, Arduino, and DIY Electronics Projects and Tutorials Tue, 17 Apr 2018 06:32:49 +0000 en-US hourly 1 http://www.circuitbasics.com/wp-content/uploads/2017/01/cropped-Circuit-Basics-Image-32x32.png Circuit Basics http://www.circuitbasics.com 32 32 81654705 How to Set Up a Keypad on an Arduino http://www.circuitbasics.com/how-to-set-up-a-keypad-on-an-arduino/ http://www.circuitbasics.com/how-to-set-up-a-keypad-on-an-arduino/#comments Wed, 12 Jul 2017 23:40:06 +0000 http://www.circuitbasics.com/?p=423679 Keypads are a great way to let users interact with your project. You can use them to navigate menus, enter passwords, and control games and robots. In this tutorial, I’ll show you how to setup a keypad on the Arduino. First I’ll explain how the Arduino detects key presses, then I’ll show you how to […]

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How to Set Up the BMP180 Barometric Pressure Sensor on an Arduino http://www.circuitbasics.com/set-bmp180-barometric-pressure-sensor-arduino/ http://www.circuitbasics.com/set-bmp180-barometric-pressure-sensor-arduino/#comments Mon, 29 May 2017 09:41:35 +0000 http://www.circuitbasics.com/?p=423758 The BMP180 barometric pressure sensor is a great sensor that can be used to predict the weather, detect altitude, and measure vertical velocity. It’s perfect for weather stations, remote controlled vehicles, weather balloons, and lots of other projects. It’s an extremely sensitive sensor too. As you’ll see in a minute, it can detect changes in altitude of just a few inches. […]

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How to Set Up an IR Remote and Receiver on an Arduino http://www.circuitbasics.com/arduino-ir-remote-receiver-tutorial/ http://www.circuitbasics.com/arduino-ir-remote-receiver-tutorial/#comments Mon, 29 May 2017 02:26:31 +0000 http://www.circuitbasics.com/?p=423736 Infrared (IR) communication is a widely used and easy to implement wireless technology that has many useful applications. The most prominent examples in day to day life are TV/video remote controls, motion sensors, and infrared thermometers. There are plenty of interesting Arduino projects that use IR communication too. With a simple IR transmitter and receiver, you can […]

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How to Set up 7-Segment Displays on the Arduino http://www.circuitbasics.com/arduino-7-segment-display-tutorial/ http://www.circuitbasics.com/arduino-7-segment-display-tutorial/#comments Tue, 23 May 2017 06:21:50 +0000 http://www.circuitbasics.com/?p=423715 Seven segment displays are used in many day to day consumer devices like microwave ovens, washing machines, and air conditioners. They are a simple but effective way to display numerical data like time or quantity. Since they are made out of LEDs, they are a low cost option for displaying information. In this tutorial I’m […]

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Programming With Your Android Smartphone: The Tools You Need http://www.circuitbasics.com/programming-with-your-android-smartphone-the-tools-you-need/ http://www.circuitbasics.com/programming-with-your-android-smartphone-the-tools-you-need/#comments Sat, 18 Mar 2017 14:00:11 +0000 http://www.circuitbasics.com/?p=423310 Mobile phones are basically just mini portable computers these days. The best devices on the market can give you many of the features you can get with a regular laptop. Programming with a smartphone is therefore very possible. All a developer needs to know is the right tools to get. Unfortunately, information on how to use […]

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How to Set Up WiFi on the Raspberry Pi 3 http://www.circuitbasics.com/how-to-set-up-wifi-on-the-raspberry-pi-3/ http://www.circuitbasics.com/how-to-set-up-wifi-on-the-raspberry-pi-3/#comments Wed, 15 Mar 2017 21:23:56 +0000 http://www.circuitbasics.com/?p=423253 The Raspberry Pi 3 comes with an on-board 802.11n Wireless LAN adapter, which means that it’s no longer necessary to purchase a separate WiFi dongle. It’s also quite a bit easier to set up. In this tutorial, I’ll show you how to set up WiFi from the command line or from the Raspbian desktop. You will need […]

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[VIDEO] How to Design and Build a TDA2050 Stereo Amplifier http://www.circuitbasics.com/video-how-to-design-and-build-an-amplifier-with-the-tda2050/ http://www.circuitbasics.com/video-how-to-design-and-build-an-amplifier-with-the-tda2050/#respond Wed, 22 Feb 2017 13:30:21 +0000 http://www.circuitbasics.com/?p=422911 See what each component does, how to set the gain and bandwidth, and layout the PCB and wiring. I also play some music so you can hear what it sounds like.

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[VIDEO] LM3886 Hi-Fi Audio Amplifier Design Tutorial http://www.circuitbasics.com/video-how-to-design-and-build-an-lm3886-hi-fi-audio-amplifier/ http://www.circuitbasics.com/video-how-to-design-and-build-an-lm3886-hi-fi-audio-amplifier/#comments Thu, 02 Feb 2017 17:24:01 +0000 http://www.circuitbasics.com/?p=422910 In-depth explanation of the circuit, how to set the gain, bandwidth, and design the PCB to avoid noise and hum. At the end I wire it up and play some music.

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[VIDEO] TDA2003 Stereo Amplifier Design Tutorial http://www.circuitbasics.com/video-tda2003-stereo-amplifier-design-and-build-tutorial/ http://www.circuitbasics.com/video-tda2003-stereo-amplifier-design-and-build-tutorial/#respond Sat, 14 Jan 2017 16:32:21 +0000 http://www.circuitbasics.com/?p=422909 How to design a PCB for a stereo TDA2003 amplifier. Learn the purpose of each component and how to set the gain and bandwidth. You'll also hear what it sounds like.

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[VIDEO] TDA2003 Bridged Amplifier Design and Build Tutorial http://www.circuitbasics.com/tda2003-bridged-audio-amplifier-design-build-tutorial/ http://www.circuitbasics.com/tda2003-bridged-audio-amplifier-design-build-tutorial/#comments Thu, 05 Jan 2017 14:54:45 +0000 http://www.circuitbasics.com/?p=422885 See the main components in a bridged TDA2003 amplifier schematic and what they do, how to layout the PCB, wire it up, and hear what it sounds like.

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How to Design and Build an Amplifier With the TDA2050 http://www.circuitbasics.com/tda2050-diy-amplifier-build-guide/ http://www.circuitbasics.com/tda2050-diy-amplifier-build-guide/#comments Fri, 14 Oct 2016 14:39:17 +0000 http://www.circuitbasics.com/?p=421858 Follow along as I build a 25 Watt stereo amp with the TDA2050. I'll show you how to change the gain, set the bandwidth, find the right heat sink size, and layout the PCB and wiring inside a chassis.

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A Complete Guide to Design and Build a Hi-Fi LM3886 Amplifier http://www.circuitbasics.com/design-hi-fi-audio-amplifier-lm3886/ http://www.circuitbasics.com/design-hi-fi-audio-amplifier-lm3886/#comments Fri, 14 Oct 2016 10:44:57 +0000 http://www.circuitbasics.com/?p=421737 Note: Editable PCB files are available for this project here. The LM3886 is one of the most highly regarded audio chip amplifiers in the DIY community. The reason for its popularity is due to its very low distortion, minimal external components, and low cost. With the right layout and component selection, you can build an excellent sounding Hi-Fi audio amplifier […]

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A Guide for Building TDA2003 Bridged and Stereo Amplifiers http://www.circuitbasics.com/complete-guide-to-build-a-10w-amplifier-with-the-tda2003/ http://www.circuitbasics.com/complete-guide-to-build-a-10w-amplifier-with-the-tda2003/#comments Tue, 11 Oct 2016 07:33:37 +0000 http://www.circuitbasics.com/?p=421925 A complete guide for building stereo and bridged audio amplifiers with the TDA2003, with tips for optimal PCB layout, grounding, and component selection.

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[VIDEO] Raspberry Pi Zero USB/Ethernet Gadget Tutorial http://www.circuitbasics.com/video-raspberry-pi-zero-usbethernet-gadget-tutorial/ Fri, 16 Sep 2016 10:15:23 +0000 http://www.circuitbasics.com/?p=421735 In this video, I show you how to set up a Raspberry Pi Zero as a USB/Ethernet device. This will let you get internet access, local networking, and power to your Pi through a single USB connection. It's a very easy and convenient way to connect to your Pi!

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Raspberry Pi Zero USB/Ethernet Gadget Tutorial http://www.circuitbasics.com/raspberry-pi-zero-ethernet-gadget/ http://www.circuitbasics.com/raspberry-pi-zero-ethernet-gadget/#comments Mon, 25 Jul 2016 17:30:07 +0000 http://www.circuitbasics.com/?p=421535 The Raspberry Pi Zero’s small size isn’t the only thing that makes it an awesome single board computer. Thanks to its ability to be recognized as a USB/Ethernet gadget, you can connect to your Pi from another computer via USB. Power is provided over USB, and your computer’s internet connection is shared over USB too. You […]

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[VIDEO] 37 Sensors and Modules Kit (Version 2) for Raspberry Pi and Arduino http://www.circuitbasics.com/video-37-sensors-modules-kit-version-2-raspberry-pi-arduino/ Thu, 07 Jul 2016 18:43:15 +0000 http://www.circuitbasics.com/?p=421680 In this video, I'm going to take a look at each sensor in Sunfounder's 37 modules for Raspberry Pi and Arduino kit, and explain a little about how it works and what it can be used for. It's a really nice kit to have, especially if you're just starting out in DIY electronics.

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How to Design a PCB Layout http://www.circuitbasics.com/make-custom-pcb/ http://www.circuitbasics.com/make-custom-pcb/#comments Mon, 27 Jun 2016 17:15:21 +0000 http://www.circuitbasics.com/?p=421521 Breadboards are great for prototyping circuits, but they aren’t so good for actually using the thing you’re building. At some point, you’ll probably want to make a project more permanent. The best way to do that is to put it on a PCB. In this tutorial, I’ll walk you through the process of designing a PCB layout and getting […]

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[VIDEO] How to Setup an LCD on the Raspberry Pi and Program it With C http://www.circuitbasics.com/video-raspberry-pi-lcd-set-programming-c-wiringpi/ http://www.circuitbasics.com/video-raspberry-pi-lcd-set-programming-c-wiringpi/#comments Mon, 20 Jun 2016 16:17:31 +0000 http://www.circuitbasics.com/?p=421655 In this video you'll see examples of what you can do with an LCD on the Raspberry Pi in the C programming language. Find out how position text, clear the screen, control the cursor, and print the date/time and IP address. Also see how to scroll text, create custom characters, and display data from sensors.

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[VIDEO] How to Set Up the DHT11 Humidity Sensor on the Raspberry Pi http://www.circuitbasics.com/video-set-dht11-humidity-sensor-raspberry-pi/ http://www.circuitbasics.com/video-set-dht11-humidity-sensor-raspberry-pi/#comments Sun, 29 May 2016 00:37:11 +0000 http://www.circuitbasics.com/?p=421531 Get accurate humidity and temperature readings on the Raspberry Pi with the DHT11 digital humidity and temperature sensor.

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[VIDEO] How to Setup an LCD on the Raspberry Pi and Program It With Python http://www.circuitbasics.com/video-raspberry-pi-lcd-set-programming-python/ Sat, 21 May 2016 10:14:11 +0000 http://www.circuitbasics.com/?p=421507 See how to connect an LCD to the Raspberry Pi in either 4 bit mode or 8 bit mode, and how to program it with Python. I'll show you how to do the basic stuff like positioning text, turning on and off the cursor, and printing the date, time, and IP address. Then I'll go into more advanced stuff like scrolling text, creating custom characters, and printing data from a sensor.

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[VIDEO] How to Setup an I2C LCD on the Raspberry Pi http://www.circuitbasics.com/video-raspberry-pi-i2c-lcd-set-programming/ http://www.circuitbasics.com/video-raspberry-pi-i2c-lcd-set-programming/#comments Sun, 08 May 2016 09:23:52 +0000 http://www.circuitbasics.com/?p=421491 Use I2C to connect an LCD to the Raspberry Pi with only 4 wires. In this video I'll show you how to print, scroll, and position text, clear the screen, print the date, time, IP address, and print data from a sensor.

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[VIDEO] Raspberry Pi DS18B20 Temperature Sensor Tutorial http://www.circuitbasics.com/video-raspberry-pi-ds18b20-temperature-sensor-tutorial/ Sat, 30 Apr 2016 10:08:44 +0000 http://www.circuitbasics.com/?p=421465 Get accurate temperature data for your projects with the DS18B20. It's an inexpensive little component that's really easy to set up on the Pi, and it only needs one wire to transmit data.

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How to Setup an LCD on the Raspberry Pi and Program It With Python http://www.circuitbasics.com/raspberry-pi-lcd-set-up-and-programming-in-python/ http://www.circuitbasics.com/raspberry-pi-lcd-set-up-and-programming-in-python/#comments Fri, 25 Mar 2016 09:59:52 +0000 http://www.circuitbasics.com/?p=839 If you plan on using an LCD with your Raspberry Pi, there’s a good chance you’ll need to program it in Python at some point. Python is probably the most popular programming language for coding on the Raspberry Pi, and many of the projects and examples you’ll find are written in Python. In this tutorial, I’ll show you […]

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How to Setup an LCD on the Raspberry Pi and Program it With C http://www.circuitbasics.com/raspberry-pi-lcd-set-up-and-programming-in-c-with-wiringpi/ http://www.circuitbasics.com/raspberry-pi-lcd-set-up-and-programming-in-c-with-wiringpi/#comments Fri, 25 Mar 2016 09:37:11 +0000 http://www.circuitbasics.com/?p=421141 Connecting an LCD display to your Raspberry Pi is sure to take your project up a notch. They’re great for displaying sensor readings, songs or internet radio stations, and stuff from the web like tweets and stock quotes. Whatever you choose to display, LCDs are a simple and inexpensive way to do it. In this tutorial, I’ll show you […]

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How to Setup an I2C LCD on the Raspberry Pi http://www.circuitbasics.com/raspberry-pi-i2c-lcd-set-up-and-programming/ http://www.circuitbasics.com/raspberry-pi-i2c-lcd-set-up-and-programming/#comments Fri, 25 Mar 2016 08:58:49 +0000 http://www.circuitbasics.com/?p=420790 Connecting an LCD to your Raspberry Pi will spice up almost any project, but what if your pins are tied up with connections to other modules? No problem, just connect your LCD with I2C, it only uses two pins (well, four if you count the ground and power). In this tutorial, I’ll show you everything you need to […]

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Raspberry Pi DS18B20 Temperature Sensor Tutorial http://www.circuitbasics.com/raspberry-pi-ds18b20-temperature-sensor-tutorial/ http://www.circuitbasics.com/raspberry-pi-ds18b20-temperature-sensor-tutorial/#comments Fri, 25 Mar 2016 08:14:09 +0000 http://www.circuitbasics.com/?p=421105 The DS18B20 temperature sensor is perfect for projects like weather stations and home automation systems. Few sensors are this easy to set up on the Raspberry Pi. They’re the same size as a transistor and use only one wire for the data signal. They’re also extremely accurate and take measurements quickly. The only other component you […]

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Basics of the I2C Communication Protocol http://www.circuitbasics.com/basics-of-the-i2c-communication-protocol/ http://www.circuitbasics.com/basics-of-the-i2c-communication-protocol/#comments Sat, 13 Feb 2016 16:01:27 +0000 http://www.circuitbasics.com/?p=420648 So far, we’ve talked about the basics of SPI communication and UART communication, so now let’s go into the final protocol of this series, the Inter-Integrated Circuit, or I2C. You’ll probably find yourself using I2C if you ever build projects that use OLED displays, barometric pressure sensors, or gyroscope/accelerometer modules. Introduction to I2C Communication I2C combines the best features of […]

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Basics of UART Communication http://www.circuitbasics.com/basics-uart-communication/ http://www.circuitbasics.com/basics-uart-communication/#comments Sat, 13 Feb 2016 16:00:21 +0000 http://www.circuitbasics.com/?p=420650 Remember when printers, mice, and modems had thick cables with those huge clunky connectors? The ones that literally had to be screwed into your computer? Those devices were probably using UARTs to communicate with your computer. While USB has almost completely replaced those old cables and connectors, UARTs are definitely not a thing of the past. You’ll find UARTs being […]

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Basics of the SPI Communication Protocol http://www.circuitbasics.com/basics-of-the-spi-communication-protocol/ http://www.circuitbasics.com/basics-of-the-spi-communication-protocol/#comments Sat, 13 Feb 2016 15:59:37 +0000 http://www.circuitbasics.com/?p=420646 When you connect a microcontroller to a sensor, display, or other module, do you ever think about how the two devices talk to each other? What exactly are they saying? How are they able to understand each other? Communication between electronic devices is like communication between humans. Both sides need to speak the same language. In electronics, these languages are […]

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[VIDEO] The New Arduino 101 (Genuino 101) – Unboxing, Set Up, and Comparing it to the Arduino Uno http://www.circuitbasics.com/video-the-new-arduino-101-genuino-101-unboxing-set-up-and-comparing-it-to-the-arduino-uno/ http://www.circuitbasics.com/video-the-new-arduino-101-genuino-101-unboxing-set-up-and-comparing-it-to-the-arduino-uno/#comments Mon, 11 Jan 2016 15:48:38 +0000 http://www.circuitbasics.com/?p=420813 The new Arduino 101 (Genuino 101) is finally here, with a new on board Bluetooth, accelerometer, and gyroscope! Watch as I unbox it, set it up, and compare it to the Arduino Uno.

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[VIDEO] How to Connect to a Raspberry Pi Directly with an Ethernet Cable http://www.circuitbasics.com/video-how-to-connect-to-a-raspberry-pi-directly-with-an-ethernet-cable/ http://www.circuitbasics.com/video-how-to-connect-to-a-raspberry-pi-directly-with-an-ethernet-cable/#comments Thu, 07 Jan 2016 19:22:33 +0000 http://www.circuitbasics.com/?p=420805 In just a few steps, you can set this up and never be disconnected by network time outs and low bandwidth on your network. You can actually access your Pi without even being on a network. If you travel with your Pi, all you need is a laptop and an ethernet cable to connect to your Pi!

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[VIDEO] How to Set Up a Static IP on the Raspberry Pi http://www.circuitbasics.com/video-how-to-set-up-a-static-ip-on-the-raspberry-pi/ http://www.circuitbasics.com/video-how-to-set-up-a-static-ip-on-the-raspberry-pi/#comments Tue, 05 Jan 2016 23:58:08 +0000 http://www.circuitbasics.com/?p=420799 See how to up a static IP address on your Raspberry Pi and never worry about your IP changing. This will also make your internet connection a lot more reliable.

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How to Connect to a Raspberry Pi Directly with an Ethernet Cable http://www.circuitbasics.com/how-to-connect-to-a-raspberry-pi-directly-with-an-ethernet-cable/ http://www.circuitbasics.com/how-to-connect-to-a-raspberry-pi-directly-with-an-ethernet-cable/#comments Thu, 31 Dec 2015 16:49:49 +0000 http://www.circuitbasics.com/?p=420635 If you use your Raspberry Pi as a gaming console, media server, or stand-alone computer, WiFi is a great way to get internet access. But if you connect to your Pi with SSH or a remote desktop application a lot, WiFi is actually one of the slowest and least reliable ways to do it. A direct […]

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How to Set Up a Static IP on the Raspberry Pi http://www.circuitbasics.com/how-to-set-up-a-static-ip-on-the-raspberry-pi/ http://www.circuitbasics.com/how-to-set-up-a-static-ip-on-the-raspberry-pi/#comments Tue, 29 Dec 2015 11:40:55 +0000 http://www.circuitbasics.com/?p=230925 Have you ever tried logging in to your Raspberry Pi via SSH and were denied because the IP address couldn’t be found? Do you have to scan your network every time you connect to find your local IP address? If the IP address of your Raspberry Pi changes all the time, it’s because you’re using a dynamic IP address. If you […]

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How to Set Up the DHT11 Humidity Sensor on the Raspberry Pi http://www.circuitbasics.com/how-to-set-up-the-dht11-humidity-sensor-on-the-raspberry-pi/ http://www.circuitbasics.com/how-to-set-up-the-dht11-humidity-sensor-on-the-raspberry-pi/#comments Sun, 13 Dec 2015 10:00:19 +0000 http://www.circuitbasics.com/?p=420643 The DHT11 temperature and humidity sensor is a nice little module that provides digital temperature and humidity readings. It’s really easy to set up, and only requires one wire for the data signal. These sensors are popular for use in remote weather stations, soil monitors, and home automation systems. Programming the DHT11 and connecting it to a Raspberry Pi […]

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How to Set Up a 5V Relay on the Arduino http://www.circuitbasics.com/setting-up-a-5v-relay-on-the-arduino/ http://www.circuitbasics.com/setting-up-a-5v-relay-on-the-arduino/#comments Sat, 28 Nov 2015 15:49:39 +0000 http://www.circuitbasics.com/?p=417132 One of the most useful things you can do with an Arduino is control higher voltage (120-240V) devices like fans, lights, heaters, and other household appliances. Since the Arduino operates at 5V it can’t control these higher voltage devices directly, but you can use a 5V relay to switch the 120-240V current and use the Arduino to control the relay. The […]

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[VIDEO] How to Make an Arduino Controlled Power Outlet Box http://www.circuitbasics.com/video-how-to-make-an-arduino-controlled-power-outlet-box/ http://www.circuitbasics.com/video-how-to-make-an-arduino-controlled-power-outlet-box/#comments Fri, 27 Nov 2015 15:28:20 +0000 http://www.circuitbasics.com/?p=420300 Turn any 120-240V appliance into a smart device with an Arduino controlled power outlet.

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[VIDEO] Using Sensors with 5V Relays on the Arduino http://www.circuitbasics.com/using-sensors-with-5v-relays-on-the-arduino-video/ Tue, 24 Nov 2015 05:04:34 +0000 http://www.circuitbasics.com/?p=416873 Learn about the 5V relay and how to control any 120-240V appliance with any sensor available to the Arduino.

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[VIDEO] Raspberry Pi Ultimate Starter Kit Review http://www.circuitbasics.com/video-raspberry-pi-ultimate-starter-kit-review/ Sat, 21 Nov 2015 10:13:45 +0000 http://www.circuitbasics.com/?p=414529 Unboxing and review of the Raspberry Pi Ultimate Starter Kit from CanaKit.

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Turn Any Appliance into a Smart Device with an Arduino Controlled Power Outlet http://www.circuitbasics.com/build-an-arduino-controlled-power-outlet/ http://www.circuitbasics.com/build-an-arduino-controlled-power-outlet/#comments Thu, 19 Nov 2015 19:40:09 +0000 http://www.circuitbasics.com/?p=313743 One of the most useful things you can do with an Arduino is use it to control higher voltage electronic devices. Any device you normally plug into a wall outlet can be activated by a sensor or controlled in other ways with the Arduino. The possibilities are endless considering the variety of sensors and modules available to us today. […]

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[VIDEO] Raspberry Pi 3.2″ Touch Screen and Modules Kit Review http://www.circuitbasics.com/video-raspberry-pi-3-2-touch-screen-and-modules-kit-review/ Wed, 21 Oct 2015 10:10:25 +0000 http://www.circuitbasics.com/?p=414527 Unboxing and review of the 3.2" touchscreen and modules kit from Waveshare.

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[VIDEO] How to Set Up an Ultrasonic Range Finder on an Arduino http://www.circuitbasics.com/video-how-to-set-up-an-ultrasonic-range-finder-on-an-arduino/ http://www.circuitbasics.com/video-how-to-set-up-an-ultrasonic-range-finder-on-an-arduino/#comments Sat, 03 Oct 2015 10:51:20 +0000 http://www.circuitbasics.com/?p=414576 Measure distance or detect motion with an ultrasonic range finder. In this video, I build three different range finder circuits and compare their accuracy.

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How to Set Up an Ultrasonic Range Finder on an Arduino http://www.circuitbasics.com/how-to-set-up-an-ultrasonic-range-finder-on-an-arduino/ http://www.circuitbasics.com/how-to-set-up-an-ultrasonic-range-finder-on-an-arduino/#comments Fri, 02 Oct 2015 20:24:33 +0000 http://www.circuitbasics.com/?p=230959 Ultrasonic range finders are fun little modules that measure distance. You can use them to find the distance to an object, or to detect when something is near the sensor like a motion detector. They’re ideal for projects involving navigation, object avoidance, and home security. Because they use sound to measure distance, they work just as well in the dark as […]

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[VIDEO] How to Set Up the DHT11 Humidity and Temperature Sensor on an Arduino http://www.circuitbasics.com/video-how-to-set-up-the-dht11-humidity-and-temperature-sensor-on-an-arduino/ http://www.circuitbasics.com/video-how-to-set-up-the-dht11-humidity-and-temperature-sensor-on-an-arduino/#comments Fri, 02 Oct 2015 10:53:31 +0000 http://www.circuitbasics.com/?p=414579 The DHT11 provides accurate digital humidity and temperature data, and is perfect for weather stations and environmental monitoring projects.

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How to Set Up the DHT11 Humidity Sensor on an Arduino http://www.circuitbasics.com/how-to-set-up-the-dht11-humidity-sensor-on-an-arduino/ http://www.circuitbasics.com/how-to-set-up-the-dht11-humidity-sensor-on-an-arduino/#comments Thu, 01 Oct 2015 16:03:19 +0000 http://www.circuitbasics.com/?p=251022 The DHT11 humidity and temperature sensor makes it really easy to add humidity and temperature data to your DIY electronics projects. It’s perfect for remote weather stations, home environmental control systems, and farm or garden monitoring systems. In this tutorial, I’ll first go into a little background about humidity, then I’ll explain how the DHT11 measures humidity. After that, […]

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[VIDEO] How to Make a Temperature Sensor with an Arduino and a Thermistor http://www.circuitbasics.com/video-how-to-make-a-temperature-sensor-with-an-arduino-and-a-thermistor/ http://www.circuitbasics.com/video-how-to-make-a-temperature-sensor-with-an-arduino-and-a-thermistor/#comments Thu, 01 Oct 2015 10:47:11 +0000 http://www.circuitbasics.com/?p=414571 Thermistors are an easy and cheap way to add temperature monitoring and control to your projects.

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Make an Arduino Temperature Sensor (Thermistor Tutorial) http://www.circuitbasics.com/arduino-thermistor-temperature-sensor-tutorial/ http://www.circuitbasics.com/arduino-thermistor-temperature-sensor-tutorial/#comments Wed, 30 Sep 2015 10:31:03 +0000 http://www.circuitbasics.com/?p=248188 Thermistors are simple, inexpensive, and accurate components that make it easy to get temperature data for your projects. Remote weather stations, home automation systems, and equipment control and protection circuits are some applications where thermistors would be ideal. They’re analog sensors, so the code is relatively simple compared to digital temperature sensors that require special libraries and lots of code. In this […]

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[VIDEO] Raspberry Pi Clear Case Review http://www.circuitbasics.com/video-raspberry-pi-clear-case-review/ http://www.circuitbasics.com/video-raspberry-pi-clear-case-review/#comments Mon, 21 Sep 2015 10:08:30 +0000 http://www.circuitbasics.com/?p=414525 An unboxing and review of a nice looking clear case for the Raspberry Pi.

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[VIDEO] Explanation of the Components on a Raspberry Pi http://www.circuitbasics.com/video-anatomy-of-a-raspberry-pi/ http://www.circuitbasics.com/video-anatomy-of-a-raspberry-pi/#comments Fri, 21 Aug 2015 10:06:16 +0000 http://www.circuitbasics.com/?p=414523 Find out what each of the Raspberry Pi's components do.

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How to Write and Run a Python Program on the Raspberry Pi http://www.circuitbasics.com/how-to-write-and-run-a-python-program-on-the-raspberry-pi/ http://www.circuitbasics.com/how-to-write-and-run-a-python-program-on-the-raspberry-pi/#comments Tue, 11 Aug 2015 23:23:32 +0000 http://www.circuitbasics.com/?p=214283 In this post, I’ll give you a quick overview of what a Python program is, what Python programs can be used for, and how to write and run a simple Python program on the Raspberry Pi. What is a Python Program? Python is a very useful programming language that has an easy to read syntax, and allows programmers […]

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