Categories

Archive for the ‘tutorials’ Category

Raspberry Pi web server using flask to control GPIOs

Wednesday, April 27th, 2016

Rui Santos from Random Nerd Tutorials writes: In this project you’ll create a standalone web server with a Raspberry Pi that can toggle two LEDs. You can replace those LEDs with any output (like a relay or a transistor). In order to create the web server you will be using...

Tags: , ,
Posted in R-Pi, tutorials | No Comments »

Using BMP180 for temperature, pressure and altitude measurements

Monday, April 11th, 2016

Raj from Embedded Lab has posted a comprehensive tutorial on how to use BMP180 for temperature, pressure, and altitude measurements: The BMP180 is a new generation digital barometric pressure and temperature sensor from Bosch Sensortec. In this tutorial, we will briefly review this device and describe how to interface it with...

Tags: , ,
Posted in tutorials | No Comments »

How do I FPGA?

Friday, March 4th, 2016

TC-Engineering writes: I’ve been thinking about building stuff with FPGA’s for a while, and usually get turned away because FPGA’s are considerably harder to implement than microcontrollers since they have no on-chip memory. It is necessary to re-program the gates every time they power up, which requires an external flash...

Tags: ,
Posted in FPGA, tutorials | No Comments »

ESP8266 – Wireless weather station with data logging to Excel

Thursday, January 28th, 2016

Rui Santos writes, "In this project we are going to establish a wireless communication between two ESPs and send data from three sensors to an Excel spreadsheet. This tutorial shows a wireless weather station with data logging that you can implement in your home." Project info at Random Nerd Tutorials...

Tags: ,
Posted in tutorials, wireless | 3 Comments »

Control your Arduino over the Internet using Blynk

Saturday, December 26th, 2015

John Boxall from Tronixstuff has written an article on using Blynk with Arduino: There are many ways of remotely-controlling your Arduino or compatible hardware over the Internet. Some are more complex than others, which can be a good thing or a bad thing depending on your level of expertise. Lately we’ve become...

Tags: , ,
Posted in Arduino, tutorials | No Comments »

Tutorial on the theory, design and characterization of a CMOS transimpedance amplifier

Wednesday, December 23rd, 2015

Tutorial on the theory, design and characterization of a CMOS transimpedance amplifier from The Signal Path: In this episode, Shahriar and Shayan discuss the design and characterization of a deceptively simple CMOS inverter-based transimpedance amplifier. The the large and small signal behavior of the CMOS inverter is discussed and measured...

Tags: , ,
Posted in tutorials | No Comments »

Making PCB vias with conductive ink

Monday, November 23rd, 2015

Here's an alternative method for making PCB vias using conductive ink from Diyouware: We developed an alternative method for making PCB vias through-hole using our robot. As you probably know the traditional DIY method consists in threading a wire through the holes and then soldering it and then cutting it off. For example, if...

Tags: , ,
Posted in PCBs, tutorials | No Comments »

ESP8266 remote controlled sockets

Wednesday, September 23rd, 2015

Rui Santos made a new project, an ESP8266 remote controlled sockets: In this project your’re going to build a web server with an ESP8266 that can control remotely any sockets (safely!). Project info at Rui's Random Nerd Tutorials site. Check out the video after the break. (more…)

Tags: , ,
Posted in tutorials, wireless | No Comments »

How to make two ESP8266 talk

Wednesday, September 9th, 2015

Here's a detailed tutorial on how to make two ESP8266 talk with each other from Rui Santos: How it works? You’re going to set one ESP as an Access Point (Server) and another ESP as a Station (Client). Then they’ll establish a wireless communication and the Client sends a message to the...

Tags: ,
Posted in tutorials, wireless | No Comments »

How to control your ESP8266 from anywhere in the world

Monday, August 31st, 2015

Rui Santos shared a tutorial on how to control your ESP8266 from anywhere in the world: The most common questions I get about the ESP8266 WiFi Modules are: “Is it possible to control my ESP8266 from anywhere in the world?” and “How can I control my ESP8266 from anywhere?”. I’m...

Tags: , ,
Posted in tutorials, wireless | No Comments »

ESP8266 firmware flashing with a Bus Pirate

Wednesday, August 26th, 2015

Jonathan Endersby writes, "Flashing the firmware on an ESP8266 is apparently not so straight forward. This is the process I used to get it to work reliably." Via Hackaday.io Get an assembled Bus Pirate for $30, including world-wide shipping. Also available from our friendly distributors.

Tags: , ,
Posted in Bus Pirate, tutorials | No Comments »

Unbrick a Teclast X98 BIOS with Bus Pirate 4 and Flashrom

Tuesday, August 25th, 2015

cosmok82 has posted a tutorial on how to unbrick a Teclast X98 BIOS with Bus Pirate 4 and Flashrom: Sometimes you put your feet out of bed and a bad day comes. In all these days C/D is close to you! Enjoy our guide, step by step to unbrick your Teclast...

Tags: , ,
Posted in BP v4, tutorials | No Comments »

Tutorial: Using GNU profiling (gprof) with ARM Cortex-M

Monday, August 24th, 2015

Erich Styger of MCUonEclipse writes, "I have published a Sneak Preview how GNU gprof profiling looks for an embedded target ARM Cortex-M in an earlier post. This tutorial explains how to profile an embedded application (no RTOS needed) on ARM Cortex-M devices with GNU gprof. Additionally I explain the inner...

Tags: , ,
Posted in tutorials | No Comments »

Free energy & over-unity charging circuit – The scientific method

Monday, August 24th, 2015

In this episode Shahriar builds a magical charger circuit that has an efficiency of tens-of-thousands of percent! But not to worry, it is a trick and the trick is revealed in the video. The purpose of the video is to discuss the nature of the scientific method and our society’s...

Posted in tutorials | No Comments »

Embedded Linux APRS iGate tutorial

Wednesday, August 5th, 2015

A detailed tutorial on how to make your own APRS iGate (Automatic Packet Reporting System)  from Andrew Milluzzi: With the super cheap embedded Linux platforms (Raspi, Beaglebone, etc.) and cheap TV dongles, it is really easy to make your own APRS iGate, just like the one in the photo above....

Tags: , , , ,
Posted in tutorials | No Comments »

Sniffing GSM traffic with HackRF and GNU Radio

Saturday, June 13th, 2015

Tags: , ,
Posted in code, hacks, SDR, tutorials | No Comments »

DirtyPCB Arduino business card

Monday, May 4th, 2015

Here's an instructable by ProtoG on how to make your own PCB business card: In this instructable I am going to show you how to make your own printed circuit board business card. I feel that these business cards will really help you stand out from the crowd and make a...

Tags: , ,
Posted in Arduino, tutorials | No Comments »

3D printing pen

Wednesday, January 14th, 2015

Jason Poel Smith posted a tutorial on 3D printing pens and how to use them, instructable here: How Does it Work? Like all 3D printing devices, a 3D printing pen works by heating a plastic filament to its melting point and forcing it through an extruder tip. This is very similar...

Tags: ,
Posted in 3D fabrication, tutorials | No Comments »

HC-05 Bluetooth link with zero code

Thursday, December 25th, 2014

Phillipe Cantin writes: So you want to two HC-05 modules to automatically connect together, as soon as they're powered up and with zero code? Well this is your lucky day since this can be done using the AT+BIND command. Let's do this thing! For this, you will need: 1 Arduino...

Tags: ,
Posted in Arduino, tutorials | No Comments »

How to drive a latching relay

Monday, December 15th, 2014

Kerry Wong writes: Latching relay (a.k.a. impulse relay) can be turned on and off by momentarily applying a voltage across the relay coil. The relay would maintain in its last switched state without the need to maintain the coil current. In this post, I will show a simple circuit which...

Tags: , ,
Posted in tutorials | No Comments »

Next Page »

Recent Comments

  • ian: No, that's exactly how it should be :) Sorry about missing names on comments, the theme is being reworked as we speak.
  • J. Peterson: Nice writeup. It looks like some of the formatting for your command examples needs some missing newlines?
  • Geert Jordaens: I'm not sure what kind of licensing I have to add since it is a fairly straight forward implementation of the adaptive Huffman Decoding. For...
  • erich: For anyone interested, I've added some c++ code for adaptive huffman decoding in the git repository.
  • Sjaak: I would add some more protection in the used trigger file (on the serverpilot site) then not using a standard name :) hopefully they use...