Thursday, July 19th, 2018
A how-to on using an I2C LCD display with the ESP32 using Arduino IDE from Random Nerd Tutorials: This tutorial shows how to use the I2C LCD (Liquid Crystal Display) with the ESP32 using Arduino IDE. We’ll show you how to wire the display, install the library and try sample...Tags: Arduino IDE, how-to
Posted in Arduino, tutorials | No Comments »
Monday, July 16th, 2018
Kerry Wong writes: For simplicity, I used a single rotary encoder for controlling the attenuation. In order to prevent accidentally changing the set attenuation value, I used the built-in switch of the rotary encoder as the lock/adjust control. The idea is that the attenuation value can only be adjusted when...Tags: Analog Devices, HMC624LP4E
Posted in Arduino, Interface | No Comments »
Friday, July 13th, 2018
A how-to on making a Dual-sensor ultrasonic echo locator by lingib, project instructables here: This instructable explains how to pinpoint the location of an object using an Arduino, two ultrasonic sensors, and Heron’s formula for triangles. There are no moving parts. Heron’s formula allows you to calculate the area of any triangle...Posted in Arduino, sensors, tutorials | No Comments »
Monday, July 2nd, 2018
Nick over at educ8s.tv shared detailed instructions of how to build this DIY Art Deco style FM Radio project using Arduino: Let’s see what we are going to build today! As you can see, we are going to build an Art Deco style FM radio receiver. The design of this...Tags: radio
Posted in Arduino, DIY, how-to | 1 Comment »
Thursday, June 28th, 2018
Mare writes: Lora board with Arduino nano compatibile pinout and simple battery management Small board with arduino nano compatibile pinout with power management and Murata ABZ LoRa module with STM32L0 microcontroller Features: -LoRa module: Murata ABZ -Single cell LiPo cell charger on-board with charging signal internally connected to PA11 (via...Tags: Arduino Nano, LoRa
Posted in Arduino | No Comments »
Thursday, June 28th, 2018
Giovanni Carrera blogged about his touch numeric keyboard for Arduino or Teensy: Very often, for our programs, we need a system to set parameters, usually of a numerical type. A 4x4 keyboard requires some space and then we also need a display. Here is the idea of using a touchscreen...Tags: ADC, Arduino, Logger, Teensy
Posted in Arduino | No Comments »
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...Tags: Arduino, data logger
Posted in Arduino, tutorials | 2 Comments »
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...Tags: Arduino, clock
Posted in Arduino, clock | No Comments »
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...Tags: ATMega328p, LDO regulator
Posted in Arduino, tutorials | 2 Comments »
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...Tags: how-to, MFRC522, RFID reader
Posted in Arduino, RFID, tutorials | No Comments »
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...Tags: data logger, Nokia
Posted in Arduino, LCD | No Comments »
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....Tags: DIY, game, lattepanda
Posted in Arduino, DIY, gadget | No Comments »
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...Tags: Attiny85, soldering
Posted in Arduino, AVR | No Comments »
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...Tags: ESP8266, SPI bus
Posted in Arduino, wireless | No Comments »
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...Tags: PCA9685, PWM, servo motors
Posted in Arduino, tutorials | 3 Comments »
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...Tags: IR, volume controller
Posted in Arduino, infrared | 1 Comment »
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...Tags: Arduino, MIDI
Posted in Arduino, DIY, open source | No Comments »
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...Tags: ATiny85, DRL
Posted in Arduino, AVR | No Comments »
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...Tags: Arduino Leonardo, servo
Posted in Arduino | No Comments »
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...Tags: AK4490, audio, dual mono
Posted in Arduino | 2 Comments »
