Decode and Send 433 MHz RF Signals with Arduino
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 …
Rui Santos
ESP8266 Voltage Regulator (LiPo and Li-ion Batteries)
In this guide, you’re going to build a voltage regulator for the ESP8266 that can be used with LiPo and Li-ion batteries.
DIY Transistor Tester Kit Video Review – Hiland M12864
In this post we’re going to assemble and test a DIY transistor (component) tester kit. For this review we’re using the Original Hiland DIY M12864 Transistor Tester Kit. The component tester is a gadget that identifies different electronic components as well as their specifications.
Node-RED with Xiaomi Yeelight RGBW Smart Bulb
Xiaomi Yeelight is a Wi-Fi smart RGBW LED bulb that you can integrate with Node-RED. So, in this project we’re going to show you how to build a web application …
OnePlus 5 Smartphone – Video Review
I’ve just received the new OnePlus 5 4G Phablet – 6GB RAM 64GB ROM. I usually don’t accept smartphones to review because it is a little out of the Random Nerd …
Email Alert System on Location Change with Raspberry Pi and GPS Module
In this tutorial you’ll learn how to send GPS data to your email address using the Raspberry Pi and the NEO-6M GPS module.
Node-RED with Raspberry Pi Camera (Take Photos)
In this project we’re going to show you how to take photos with Node-RED using the Raspberry Pi Camera Module V2.
Maker Advisor is LIVE – Best Tools and Gear For Makers
Hi there! A few months ago, I’ve come up with the idea of creating a separate website from the RNT blog specially dedicated to reviews and daily deals on tools …
ESP8266 Weather Forecaster
In this post you’re going to build a weather forecaster with an ESP8266. I hate being out on a rainy day without an umbrella and I’m pretty sure it’s the same for everyone else.
Creality 3D CR – 10 3D Printer Review – Best 3D Printer under $400
In this post I’m going to unbox and assemble the Creality 3D CR – 10 3D printer which costs approximately $400 with shipping included.
Decoding and Encoding JSON with Arduino or ESP8266
In this blog post you’re going to learn how to decode (parse a JSON string) and encode (generate a JSON string) with the ArduinoJson library using the Arduino with the …
ESP8266 and Node-RED with MQTT (Publish and Subscribe)
Learn how to publish and subscribe to MQTT topics with the ESP8266 NodeMCU board. In this tutorial, we’ll use the Node-RED dashboard to control the ESP8266 outputs and display sensor …
Video Streaming with Raspberry Pi Camera
In this post we’re going to show you how you can do video streaming with a Raspberry Pi and a Raspberry Pi Camera – how to stream live video into …
Tevo Tarantula 3D Printer Kit Review – Best 3D Printer Under $200
In this post I’m going to review and assemble the Tevo Tarantula 3D printer which costs under $200 with shipping included.