Jpons

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How to Build DIY AI Projects Using Google TensorFlow and Raspberry Pi

Machine learning is the topic on everyone’s lips. It’s easy to see why. It is the future of data manipulation and is already used in almost every …

HP tiene una nueva impresora 3D, pero ésta imprime metales y está pensada para fabricar piezas de automóviles

Pensar en una impresora como un dispositivo pequeño para imprimir documentos en papel ha perdido un poco de sentido en los últimos años con la …

Monitoring Power By Counting Blinks

What do you do when you want to add a new feature to some electronics but you can’t or don’t want to tear into the guts? You look for something …

Arduino

Raspberry Pi as 433 MHz to MQTT Gateway

Many low-cost wireless temperature and humidity sensors use a 433 MHz transmitter to send data back to their base stations. This is a great choice …

Home Automation

Brazos robots colaborando para imprimir grandes estructuras en 3D

En la Universidad tecnológica de Nanyang en Singapur, están desarrollando un interesante sistema que permite a unos brazos robots imprimir en 3D …

Tutorial: Using the Arduino’s internal EEprom to store calibration data and LCD screen fonts

Edward Mallon writes:<p>This is a follow-up to our post about using Nokia 5110 screens on three unused analog lines with shift-out. That saved me from …

Arduino

Distributor of plans for 3D-printed guns puts his product back in circulation

Cody Wilson, the self-described crypto-anarchist who on Monday was blocked from distributing schematics for 3D-printed guns online, is making good on his promise for “one hell of a week.”<p>Exploiting what Wilson says is a loophole in the judge’s injunction against the distribution of the plans for …

U.S. State Department

Arduino Gets Command Line Interface Tools That Let You Skip the IDE

Arduino now has an officially supported command-line interface. The project, called arduino-cli, is the first time that the official toolchain has …

Command-line

Demystifying The ESP8266 With A Series Of Tutorials

If your interest has been piqued by the inexpensive wireless-enabled goodness of the ESP8266 microcontroller, but you have been intimidated by the …

Tutorials

Rasberry Pi PoE Hat Released

It was announced at the beginning of March, but now the Raspberry Pi Power over Ethernet (PoE) hat is out. Thanks to the addition of a new 4-pin …

Raspberry Pi

How to Make Your Own Wi-Fi Connected Button With ESP8266

The Internet of Things has vast DIY potential. With enough know-how and a few cheap components, you could build a complex system of connected devices.<p>…

Marines 3D-Print Part to Repair Multi-Million Dollar Fighter

The good news: all you need to complete the repair you’re working on is one small part. The bad news: it’s only available in a larger, expensive …

3D Printing

An LED You Can Blow Out, With No Added Sensor

We’d seen it done with buttons, switches, gestures, capacitive touch, and IR remote, but never like this. [electron_plumber] made an LED that can be …

Arduino

Simple ESP8266 Weather Station using Blynk

Today’s hacker finds themself in a very interesting moment in time. The availability of powerful microcontrollers and standardized sensor modules is …

Microcontroller

Wiring The ESP-32 To Ethernet

Since its introduction years ago, the ESP-8266 has taken over the world. It’s the chip inside thousands of different projects, and the basis for …

Microcontroller

Replacement Audi Plastics Thanks To 3D Printing

Old cars can be fun, and as long as you drive something that was once moderately popular, mechanical parts can be easy enough to come by. Things like …

Behind The Pin: Logic Level Outputs

There is one thing that unites almost every computer and logic circuit commonly used in the hardware hacking and experimentation arena. No matter …

Object Detection, With TensorFlow

Getting computers to recognize objects has been a historically difficult problem in computer science, but with the rise of machine learning it is …

Custom ATTiny85 Board Powers Kids’ Light Show

We’ve often said that kids with hackers and makers for parents must be some of the luckiest kids in the world. While all the other children have to …

ESP8266 Internet Controlled LED Dimmer

There’s no shortage of debate about the “Internet of Things”, largely centered on security and questions about how much anyone really <i>needs</i> to be able …

ESP32 with multiple DS18B20 temperature sensors

Guide to ESP32 with multiple DS18B20 temperature sensors from Random Nerd Tutorials:<p>This guide shows how to read temperature from multiple DS18B20 …

How to use I2C LCD with ESP32 on Arduino IDE

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 …

How Low Can an ESP8266 Go?

We’ve been tuned into coin cell designs lately given the coin cell challenge, so we were interested in [CNLohr]’s latest video about pushing the …

LoRa With The ESP32

If you are interested in deploying LoRa — the low power long-range wireless technology — you might enjoy [Rui Santos’] project and video about using …

Minimal 433 MHz Web Home Automation

How minimal can a decent home automation setup be? If you need an HTML frontend, you’re going to need a webserver. An ESP8266 will do the trick. And …

Two Great Radios Taste Great Together

[Johan Kanflo] sent us his latest recipe: a blend of one part RFM69 sub-gigahertz radio transceiver with one part ESP8266 module. The resulting dish …

Persistence of Phosphorescence Clock Displays YouTube Stats Too

Looking for an eye-catching and unique way to display the time and date? Want the flexibility to add other critical information, like the number of …

ESP8266 Broadcasts Memorial WiFi Spam

John Perry Barlow, founding member of the Electronic Frontier Foundation and Freedom of the Press Foundation, died on February 7th, 2018. To say that …

Internet-enable your microcontroller projects for under $6 with ESP8266

To get started with IoT (the Internet of Things), your device needs, well, an Internet connection. Base Arduino microcontrollers don't have Internet …

Microcontroller

PICO: The world's smallest Arduino compatible board!

Size matters! PICO is making big dreams of making small things a reality. A mini fully-fledged arduino-compatible has been a dream for many …