A small and affordable computer that can be used to learn programming and utilize a variety of sensors, solve problems and have fun.
Raspberry Pi Lessons
RPi: Building a Raspberry Shake seismogram on the Node-Red Dashboard
September 12, 2023
RPi Airquality Station: Creating an Animated Nyancat Wallpaper
September 12, 2023
RPi-NodeRed OLED IP Address Display
September 12, 2023
pt"":""msg""Mini Grow Tower Control System Pi Configuration
September 12, 2023
Goal:
Configure a Raspberry Pi to become a Vertical Hydroponic Grow Tower control system and GUI.
What you will learn:
How to configure Node-Red, as well as configure MQTT and cron, to set up an automatic on/off timer for grow-lights and pumps and Node-Red dashboard as a user-friendly graphical user interface for users to interact with.
The full list of materials are linked belowBuilding The Raspberry Pi Box
April 10, 2020
field_5d5f0b7aaf077RPI Node-Red: MH-Z19 CO2 Sensor
December 23, 2019
Goal:
Setup an MH-Z19 using node-red and start reading data
What you will learn:
All about the MH-Z19RPi Node-Red: Button + Buzzer
December 11, 2019
Goal:
The push-button, RGB-LED, and buzzer lessons have all presented input and output separately, but in this lesson we'll be combining them for the first time. Composing input with output and vice-versa is one of the things that makes node-red so powerful!
What you will learn:
How to link Input (Push-button) with output (Buzzer) using node-red. Also how the buzzer and button can be wired to the pi at the same time.RPi: Node-Red: An easier way to use the BME-280
November 1, 2019
Goal:
Retrieve data from a bme-280 sensor using node-red, parsing the data using the easybotics bme-280 node.
What you will learn:
Configuring easybotics air-quality sensors,
What you need to know:
Getting started with node-red
Parts List:
Raspberry pi
BME-280
Internet ConnectionRPi Node-Red: OLED Display
October 19, 2019
Goal:
Connect and configure an OLED module to display information
What you will learn:
How to connect an OLED module that uses an SDA and SCL communication protocol.
What you will need:
- Raspberry Pi
- OLED module
- Jumper cablesRpi Node-Red: Car Kit Battery Gauge Dashboard
September 22, 2019
In this lesson you will add a battery gauge to your web dashboard!RPi Node-Red: Car Kit Assembly
September 20, 2019
Goal:
Assemble a Rpi Car from the parts kit
What you will learn:
Special considerations for connecting sensors and screens, and how all the parts go together.
What you will need:
Full RPi car kitRPi Node Red: Logging Data to Thingspeak
July 18, 2019
Goal:
Setup thingspeak, an online data logging service that allows you to create and view graphs online. Send data from node-red to thingpseak and log your own data online.
What you will learn:
What thingspeak is, and how to configure node-red to send data to it.RPi Node Red: Remotely accessing node-red and VNC
June 7, 2019
Goal:
Access your node-red flows or even your Raspbian desktop remotely from another computer.
What you will learn:
How node-red exposes itself over the network, and how to access it. Also what VNC is and how it helps you use your raspberry-pi remotely.RPi Node-Red: Advanced Multi-Button Board + RGB LED
April 17, 2019
field_5d5f0b7aaf077RPi Node Red: Streaming rpi camera to dashboard
April 10, 2019
field_5d5f0b7aaf077RPi Node-Red: Inject + Debug = Hello World
April 7, 2019
How to use the inject node to send the phrase "Hello World!" to the debug terminal 🙂 This is a classic getting started example and is usually done when first learning to program in a new language.T3 Rpi WiFi Router Setup TP Link TL-WR902AC
March 29, 2019
field_5d5f0b7aaf077T3 Lesson 8: Project – Make a Whoopee Cushion:
March 26, 2019
T3 Lesson 7: Advanced Node-Red and the camera
March 26, 2019
RPi: Streaming raspberry shake data to node-red
March 15, 2019
T3 Lesson 6: Node-Red and programming the GPIO pins
March 12, 2019
T3 Lesson 5: Scratch and Basic Programming
March 12, 2019
T3 Lesson 15: Air Quality Sensors
March 4, 2019
Rpi: Time and Timezones
February 28, 2019
T3 Lesson 3: Building the Box & Raspberry Pi Kits
February 26, 2019
field_5d5f0b7aaf077Rpi Airquality Station: Indepth Assembly
February 21, 2019
field_5d5f0b7aaf077RPi Airquality Station: setting up the default flow
February 7, 2019
RPi Airquality Station: setup and access
February 6, 2019
field_5d5f0b7aaf077RPi Node-Red: Uploading pictures to Google Photos
January 29, 2019
RPi Airquality Station: Logging Airquality-Data to Grafana
January 28, 2019
Goal:
Log data to an online grafana database, and then view the resulting graphs and maps.
What you will learn:
Configuring easybotics air-quality sensors,
setting up the grafana logging node
viewing the logged data.RPi Node-Red: BME280 Temperature Pressure Humidity
December 6, 2018
Goal:
Start reading Temperature, Pressure, and Humidity data from a BME-280 sensor; and then graph it on the node-red dashboard.
What you will learn:
How the BME-280 communicates with node-red, and how to setup node-red to use the data usefully.RPi Node-Red: Minimal Selfie Station Tutorial
November 14, 2018
field_5d5f0b7aaf077RPi Node-Red: Buzzer
October 27, 2018
Goal:
Use node-red to output onto the GPIO pins to make a piezoelectric buzzer go off.
What will you learn:
How to output onto the GPIO pins using node-red, and how a piezoelectric buzzer works.RPi Node-Red: PIR + RGB LED or Buzzer
October 15, 2018
field_5d5f0b7aaf077RPi Node-Red: RGB LED
October 1, 2018
Goal:
Introduce the power and utility of the raspberry pi's GPIO pins by using them to control a RGB LED Module.
What you will learn:
What is a GPIO pin and how does it work, how does it relate to node-red. The technical steps of wiring the LED module to your rpi, and getting the software to interact with the hardware.RPi Node-Red: Push Button
September 28, 2018
Goal:
You can use the GPIO pins can be used for output, like making the RGB Module change colors, but most of the time you will using them as in input device. Sensors like the BME-280 can send data about weather, or a sonic sensor can tell you how close something is. However the simplest possible sensor is a button that simply reports on or off. The goal of this lesson is to learn how to start using node-red to receive input through the GPIO pins.
What you will learn:
How to read the state of a push-button wired to the GPIO pins through node-red.RPi Node-Red: automatically running node-red, as root
September 19, 2018
RPi NMAP Network IP Scanner
July 3, 2018
field_5d5f0b7aaf077Selfie station example project
July 2, 2018
RPi Node-Red Auto Start
June 22, 2018
RPi Node-Red: Ultrasonic Distance
June 7, 2018
Goal:
Read distance measurements from the sonic sensor within Node-Red
What You Will Learn:
How the ultrasonic sensor is wired and how it can be programmed.RPi Scratch 2 + GPIO Introduction
June 1, 2018
RPi Minecraft Cannon
May 30, 2018
RPi Minecraft + Python Introduction
May 29, 2018
RPi Node-Red: Neopixel LED Ring
May 24, 2018
Goal:
Use node-red to control a LED ring
What you will learn:
About nodes that take more complicated input such as strings, and specifically how to setup a LED ring flow in node-red.RPi Node-Red: Camera
May 23, 2018
Goal:
Install the Raspberry Pi camera and take a picture using node-red
What you will learn:
How to install a Raspberry pi camera, and how to configure the node-red camera node to actually produce images.RPi Node-Red: PIR Motion Sensor
May 22, 2018
Goal:
Setup a PIR motion sensor and read its output in node-red
What you will learn:
What is a PIR motion sensor, how it's wired to a raspberry pi, and how to setup node-red to read its output.RPi GPIO + Scratch 2.0
February 22, 2018
RPi GPIO: Wiring LED
February 20, 2018
What can you do with the 40 pin connector and just an LED?RPi Minecraft + Networking
February 20, 2018
RPi Scratch Reaction Time
February 19, 2018
RPi: Editing Text files and Python Scripts with Raspbian
February 19, 2018
RPi Sense HAT+Minecraft
February 19, 2018
4. Github Intro
February 19, 2018
RPi: Terminal + Python Intro
February 19, 2018
1. Getting Started
February 19, 2018
field_5d5f0b7aaf077LCD setup 7″ 1024×600
February 19, 2018
RPi Python: LED Ring Clock WS2812
February 18, 2018
RPI Python: DHT-11 Temp / Humidity
February 17, 2018