randomnerd   38

Power ESP8266 with HLK-PM03 Converter @ Random Nerd Tutorials
The HLK-PM03 AC/DC converter can supply 3.3V from either 110VAC or 220VAC. This makes it perfect for small projects that need a 3.3V supply from mains voltage. You can also get 5V output using the HLK-PM01 instead.
esp8266  esp32  arduino  embedded  power  voltage  randomnerd  tutorial 
5 days ago by cyberchucktx
ESP32 Over-the-air (OTA) Programming | Random Nerd Tutorials
Quick guide that shows how to do over-the-air (OTA) programming with the ESP32 using the OTA Web Updater in Arduino IDE. The OTA Web Updater allows you to update/upload new code to your ESP32 using a browser, without the need to make a serial connection between the ESP32 and your computer.
esp32  esp3288  randomnerd  ota  updating  sysadmin  programming  embedded 
19 days ago by cyberchucktx
ESP32/ESP8266 MicroPython Web Server | Random Nerd Tutorials
Learn how to build a web server to control the ESP32 or ESP8266 outputs using MicroPython framework. As an example we’ll build a web server with ON and OFF buttons to control the on-board LED of the ESP32/ESP8266. We’ll use sockets and the Python socket API.
python  randomnerd  micropython  webserver  websockets 
6 weeks ago by cyberchucktx
MicroPython with ESP32 and ESP8266: Interacting with GPIOs | Random Nerd Tutorials
In this article we’re going to take a look on how to interact with the ESP32 and ESP8266 GPIOs using MicroPython. We’ll show you how to read digital and analog inputs, how to control digital outputs and how to generate PWM signals.
randomnerd  tutorial  esp32  esp8266  arduino  python  micropython  embedded 
7 weeks ago by cyberchucktx
Getting Started with MicroPython on ESP32 and ESP8266 | Random Nerd Tutorials
Learn how to get started with MicroPython firmware on the ESP32 and ESP8266. We’ll introduce you to MicroPython, show you the differences between MicroPython and regular Python, and how to program your ESP based boards with MicroPython using uPyCraft IDE. After completing this guide, you’ll have your first LED blinking using MicroPython.
python  randomnerd  embedded  arduino  circuitpython  esp32  esp8266  micropython 
9 weeks ago by cyberchucktx
Latching Power Switch Circuit (Auto Power Off Circuit) | Random Nerd Tutorials
This circuit allows you to cut off power completely when the microcontroller is not executing any task. In other words, as soon as the microcontroller finishes executing a task it turns itself off via software. This is a great way to make batteries last longer in your electronics projects.
randomnerd  tutorial  arduino  embedded  power 
11 weeks ago by cyberchucktx
ESP8266 Multisensor Shield with Node-RED | Random Nerd Tutorials
In this project you’ll discover how integrate the ESP8266 Multisensor Shield for the Wemos D1 Mini board with Node-RED. The ESP8266 Multisensor Shield will establish an MQTT connection with a Raspberry Pi running Node-RED and Mosquitto MQTT broker.
randomnerd  tutorial  esp8266  wireless  sensor  node-red  mqtt 
september 2018 by cyberchucktx
RNT (Random Nerd Tutorials) Blog and Maker Advisor's Amazon Page
Online catalog of inexpensive and useful components for embedded projects as featured on the RNT (Random Nerd Tutorial) blog.
amazon  components  randomnerd  online  shop  hardware  electronics 
september 2018 by cyberchucktx
ESP32 Bluetooth Low Energy (BLE) on Arduino IDE | Random Nerd Tutorials
The ESP32 comes not only with Wi-Fi but also with Bluetooth and Bluetooth Low Energy (BLE). This post is a quick introduction to BLE with the ESP32. First, we’ll explore what’s BLE and what it can be used for, and then we’ll take a look at some examples with the ESP32 using Arduino IDE. For a simple introduction we’ll create an ESP32 BLE server, and an ESP32 BLE scanner to find that server.
randomnerd  tutorials  bluetooth  wireless  ble  arduino 
june 2018 by cyberchucktx
CCTV Raspberry Pi Based System with Storage using MotionEyeOS | Random Nerd Tutorials
In this project Julian is going to show you how to build a complete Raspberry Pi based home surveillance system in which you can manage all your cameras from one single place using MotionEyeOS. The system built also allows you to save your frames from all your cameras in a 1TB SATA drive.
homeautomation  security  randomnerd  tutorial  raspberrypi 
february 2018 by cyberchucktx
Guide to NEO-6M GPS Module Arduino | Random Nerd Tutorials
This guide shows how to use the NEO-6M GPS module with the Arduino to get GPS data.
randomnerd  tutorial  gps  arduino 
january 2018 by cyberchucktx
Decode and Send 433 MHz RF Signals with Arduino | Random Nerd Tutorials
This guide shows how to use an Arduino to decode 433 MHz signals from RF remotes, and send them with an Arduino and a 433 MHz transmitter to remotely control mains switches outlets.
randomnerd  tutorials  radio  wireless  homeautomation  arduino 
december 2017 by cyberchucktx
Nextion Display with ESP8266 UI Node-RED | Random Nerd Tutorials
This project shows how you can build a touchscreen user interface for Node-RED with the Nextion display and the ESP8266 to control your electronics appliances. The aim of this project is being able to control your home automation system through the Nextion display without the need to go to your smartphone or your computer to access your Node-RED user interface, while always having the Node-RED Dashboard updated.
randomnerd  tutorial  homeautomation  arduino  node-red 
december 2017 by cyberchucktx
Nextion Display with Arduino @ Random Nerd Tutorials
This post is an introduction to the Nextion display with the Arduino. We’re going to show you how to configure the display for the first time, download the needed resources, and how to integrate it with the Arduino UNO board.
randomnerd  nextion  display  lcd  touchscreen  tutorial 
december 2017 by cyberchucktx
ESP8266 Voltage Regulator For LiPo and Li-ion Batteries | Random Nerd Tutorials
In this guide, you’re going to build a voltage regulator for the ESP8266 that can be used with LiPo and Li-ion batteries.
randomnerd  tutorial  esp8266  power  battery 
november 2017 by cyberchucktx
Maker Advisor : Best Tools and Gear for Makers
Maker Advisor aims to to provide list of the best tools and gear—such as multimeters, 3D printers, electronics components, home automation devices, DIY tools—with great deals we find from across the web.
online  store  makers  tools  makeradvisor  maker  randomnerd 
november 2017 by cyberchucktx
Getting Started with Node-RED Dashboard | Random Nerd Tutorials
This post is an introduction to Node-RED dashboard with Raspberry Pi. We’ll cover how to install Node-RED Dashboard and exemplify how to build a graphical user interface.
tutorial  node-red  randomnerd  dashboard 
november 2017 by cyberchucktx
Getting Started with Node-RED on Raspberry Pi | Random Nerd Tutorials
This post is an introductory guide to Node-RED. I’ll cover what’s Node-RED, how to install it, how to use the visual interface to create a simple flow.
randomnerd  tutorial  node-red 
november 2017 by cyberchucktx
Node-RED WS2812B Addressable RGB LED @ Random Nerd Tutorials
In this project we’re going to show you how to build a web application with Node-RED and Raspberry Pi to control an addressable RGB LED strip to make your life simple.
tutorial  node-red  neopixel  randomnerd  raspberrypi  led  leds 
november 2017 by cyberchucktx

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