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Archive for the ‘Arduino’ Category

Video tutorials: Building the Arduino based data loggers

Friday, June 22nd, 2018

https://www.youtube.com/watch?v=FZFAcZmmxHA&list=PL79ZjHgoYtfzvDKPADJH7HPYDFFlxSLXt From the comments on our Arduino data logger post: A visiting researcher dropped by our humble basement workshop with questions about the physical skill level students would need if they added one of our DIY data loggers to their environmental curriculum. I figured the easiest way to cover that was...

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Posted in Arduino, tutorials | No Comments »

Neopixel clock, v2

Monday, June 18th, 2018

David Zweben published a project writeup showing how he built a Neopixel clock powered by an Arduino Pro Mini clone and a real time clock module: After building my first Neopixel Clock, I decided I needed one for myself. There was no way I was going to solder 90 lengths...

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Posted in Arduino, clock | No Comments »

5 LDO regulator considerations other than voltage and current

Monday, June 4th, 2018

James Lewis over at Bald Engineer writes, "For an AddOhms series, I created a DIY Arduino I am calling the “Pyramiduino.” It is an ATmega328p based board in the shape of a triangle. Other than being cute, the shape does not offer any other benefit. The design features a 3.3...

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Posted in Arduino, tutorials | 2 Comments »

Arduino time attendance system with RFID

Tuesday, May 29th, 2018

A how-to on building a time attendance system with MFRC522 RFID Reader and Arduino from Random Nerd Tutorials: Before getting started it’s important to layout the project main features: *It contains an RFID reader that reads RFID tags; *Our setup has a real time clock module to keep track of time; *When...

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Posted in Arduino, RFID, tutorials | No Comments »

Adding the Nokia 5110 LCD to your Arduino data logger

Friday, May 25th, 2018

From the comments on our ChipKIT based weather station using BME280 sensor module post, Edward Mallon writes: A lot of us have ended up at this sensor / screen combination. But I couldn’t afford the extravagance of six dedicated control lines on our little pro mini based loggers. However with some...

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Posted in Arduino, LCD | No Comments »

Rombus pinball – a LattePanda mini pinball machine

Friday, May 18th, 2018

Matt Brailsford (aka Circuitbeard) has a nice write-up about building his mini pinball machine with a lattepanda core running dual monitors: I generally start my projects by thinking about the hardware that I’m going to want to use as I’ll need to know sizes when it comes to the design phase....

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Posted in Arduino, DIY, gadget | No Comments »

Attiny85 pogo backpack programmer

Monday, May 14th, 2018

Facelesstech published a new build: So you are using a bare attiny85 in your next project but don’t have room for the programming header, What do you do? I came up with the idea of using pogo pins layed out on A PCB so that they will sit on top...

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Posted in Arduino, AVR | No Comments »

ESP8266 SPI Spy

Friday, May 4th, 2018

nop head writes: I came across a very useful post by Thomas Scherrer that describes how to read data from a Peacefair PZEM-021 energy meter by spying on the SPI bus with an Arduino. I decided to do the same thing with an ESP-12F WiFi module so that I could...

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Posted in Arduino, wireless | No Comments »

How servo motors work and how to control servos using Arduino

Tuesday, April 24th, 2018

Dejan Nedelkovski over at HowToMechatronics shared detailed tutorial on how servo motors work and how to control servos using Arduino and PCA9685 PWM driver: There are many types of servo motors and their main feature is the ability to precisely control the position of their shaft. A servo motor is...

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Posted in Arduino, tutorials | 3 Comments »

Nui (IR volume controller)

Tuesday, April 10th, 2018

  Alvaro Prieto made an IR volume controller and wrote a post on his blog detailing its assembly: Nui is an IR controlled volume controller for analog audio. It sits between your audio source and speakers and can amplify or reduce the volume using IR commands (and eventually BLE). Why...

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Posted in Arduino, infrared | 1 Comment »

Traktorino, an open source DIY MIDI controller

Wednesday, April 4th, 2018

Here's an Arduino based open source MIDI controller by Musico Nerd, the Traktorino: The Traktorino is a powerful low-cost DIY MIDI Controller. It is based in the Arduino platform and it comes in DIY kit, or assembled. In its core, there’s a shield that connects to an Arduino Uno, which...

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Posted in Arduino, DIY, open source | No Comments »

‘Daytime Running Light’ module (DRL) with ATtiny85

Friday, March 30th, 2018

Nicu Florica writes: A reader of my sites and blogs, Mr. Liviu Hinoveanu wanted to replace classical DRL module made with 555 with Attiny85 programmed in Arduino style. He send me the schematic and PCB designed with Livewire and PCB Wisard software After I undertand what module must work, I...

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Posted in Arduino, AVR | No Comments »

Laser arm

Monday, March 12th, 2018

Facelesstech published a new build: So some time last year I ordered one of those servo 2 axes (pan and tilt torret) arm kits from aliexpress. It was fun to play with but I didn’t quite find a reason to use it in a project. Then I seen this project on hackaday and...

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Posted in Arduino | No Comments »

Arduino controlled Dual Mono AK4490 DAC (part 3)

Tuesday, March 6th, 2018

Here’s the part 3 of Dimitris' Arduino controlled Dual Mono AK4490 DAC project we covered previously: Following up on Part 2, it’s time to talk about the output stage. This output stage is the brainchild of my friend Kostas, all I did was lay out the PCB. It is a fully...

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Posted in Arduino | 2 Comments »

TWANG, an Arduino-based dungeon crawler

Friday, January 19th, 2018

Bdring built his own Arduino-based 1D dungeon crawler inspired by Robin Baumgarten's  Line Wobbler: I have been a Patron of Robin Baumgarten for a while. He makes experimental hardware for games. His Line Wobbler one dimensional dungeon crawler is my favorite and I have always wanted to play it. It...

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Posted in Arduino | No Comments »

Yield function, printable class and mapping arrays: Useful but unknown features from Arduino core

Thursday, January 18th, 2018

Yahya Tawil over at Atadiat wrote a new tip for Arduino developers about three hidden and useful features in Arduino core: Arduino core, the source code of Arduino API functions and classes, has three useful features that can be used effectively. As the Arduino core documentation doesn’t mention them (at least...

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Posted in Arduino, techniques | 9 Comments »

Arduino Tutorial: Adding sensors to your data logger

Monday, January 15th, 2018

Edward Mallon writes: This post isn’t another How-To tutorial for a specific sensor because the Arduino community has already produced a considerable number of resources like that.  You’d be hard pressed to find any sensor in the DIY market that doesn’t give you a dozen cookbook recipes to follow after...

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Posted in Arduino, tutorials | No Comments »

Arduino controlled Dual Mono AK4490 DAC (part 2)

Wednesday, December 27th, 2017

An update on Arduino controlled Dual Mono AK4490 DAC project we covered previously: After I was certain that everything related to the software was working the way it should, I designed a “motherboard” that would take care of the following: Accept the STM32F106 board Accept the 3.5″ TFT Accommodate an...

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Posted in Arduino | No Comments »

Weather logger with Losant and Amazon Alexa

Thursday, November 30th, 2017

Steve documented his experience experimenting with home weather logging: Like a million other people on the Internet, I’ve been experimenting with home weather logging. I roll my eyes at the phrase “Internet of Things”, but it’s hard to deny the potential of cheap networked sensors and switches, and a weather...

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Posted in Arduino, sensors, wireless | 2 Comments »

Arduino controlled Dual Mono AK4490 DAC (part 1)

Thursday, November 16th, 2017

This article is the first of a series detailing the design and build process of an Arduino controlled Dual Mono AK4490 DAC by DimDim: The design goal was to do a dual mono design so as to maximize SNR and channel separation. A 4-layer PCB design was chosen so as to...

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Posted in Arduino, DIY | No Comments »

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Recent Comments

  • KH: TPS62200 will get him to under 15uA, a bit better than the 20-30uA he mentioned. I would try the same thing. Switch some resistors in...
  • KH: Yeah, it's an end-user thing. Very few people would spend hundreds of hours on this kind of project and sustain it. It's more or less...
  • Max: Not quite a dinosaur if you've seen Big Hero 6 though... wait. You've watched it with your kids, didn't you? That's cheating...! ;) One of...
  • Edward Mallon: A visiting researcher dropped by our humble basement workshop with questions about the physical skill level students would need if they added one of our...
  • KH: And that looks really expensive... Only browsed the vid though, I'm an dinosaur so I had the sound off too. Nice of him to open-source...