Realtime clocks add additional capability to your PICO. These devices are battery powered and maintain accurate Date and Time without needing an outside reference such as the Internet. By having a realtime clock, your PICO can record / timestamp events and data recordings etc. In this video we will be looking at a Waveshare device with a Maxim DS3231clock. Example of converting clock time format into integers for precise numerical processing is provided.
SEE ASSOCIATED VIDEOS:
Raspberry Pi PICO Setup and Preparation for Programming https://youtu.be/-1xDEE3vrawPICO
Machine Library PIN Class https://youtu.be/QDtZpuh-Owg
More file management functions to help you with your PICOs. See how much available space there is for files and what size the files are. Great feature for those larger projects and for those projects that store data internally.
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Raspberry Pi PICO Setup and Preparation for Programming https://youtu.be/-1xDEE3vrawPICO
Machine Library PIN Class https://youtu.be/QDtZpuh-Owg
The PICO has a built in Watchdog timer. This feature can help to improve the reliability of your PICO powered projects. Chris walks you through all the details of how easy it is to utilize this amazing feature.
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Raspberry Pi PICO Setup and Preparation for Programming https://youtu.be/-1xDEE3vrawPICO
Machine Library PIN Class https://youtu.be/QDtZpuh-Owg
Learn about the Outline and ToDo features of Thonny. Often overlooked but can be very helpful!
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Raspberry Pi PICO Setup and Preparation for Programming https://youtu.be/-1xDEE3vrawPICO
Machine Library PIN Class https://youtu.be/QDtZpuh-Owg
While the Raspberry PI PICO is fast and powerful, most people never use the other half of its processing devices - Core 1. The RP2040 has two cores and you can use both of them with MicroPython. This video shows you how to use them to "double" your processing speed. Also covered is the details of how to lock data and other resources so that only one core can access certain data at any given time.
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Raspberry Pi PICO Setup and Preparation for Programming https://youtu.be/-1xDEE3vrawPICO
Machine Library PIN Class https://youtu.be/QDtZpuh-Owg
If you are looking at working with environmental sensors, this humidity sensor should be on your radar. This is a high accuracy humidity sensor that is easy to interface with the PICO.
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Raspberry Pi PICO Setup and Preparation for Programming https://youtu.be/-1xDEE3vrawPICO
Machine Library PIN Class https://youtu.be/QDtZpuh-Owg
Here is a great PICO powered project that looks very attractive and is highly functional. The design for "Hollow Clock 3" is by Shiura who hosts it on Thingiverse. Originally designed for an Arduino, I felt that those of us in the PICO community needed a PICO powered version. A fun project that is also fairly inexpensive.
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Raspberry Pi PICO Setup and Preparation for Programming https://youtu.be/-1xDEE3vrawPICO
Machine Library PIN Class https://youtu.be/QDtZpuh-Owg
Relays can be very complex devices and if not handled correctly, a lot of problems and danger can be found! Chris covers a lot of the basics about controlling relays with MicroPython and the Raspberry PI PICO microcontroller. Stand alone relays and relay modules are covered.
SEE ASSOCIATED VIDEOS:
Raspberry Pi PICO Setup and Preparation for Programming https://youtu.be/-1xDEE3vrawPICO
Machine Library PIN Class https://youtu.be/QDtZpuh-Owg
Water Detectors/Sensors are great devices for monitoring areas for water. This inexpensive unit from Adafruit is no exception and when paired with your PICO, you are well on your way to creating a serious warning system to potential problems.
SEE ASSOCIATED VIDEOS:
Raspberry Pi PICO Setup and Preparation for Programming https://youtu.be/-1xDEE3vrawPICO
Machine Library PIN Class https://youtu.be/QDtZpuh-Owg
Driving multiple relays from a PICO may not work or only work unreliably. In this video, Chris shows you how to incorporate an additional chip into the circuit that adds a lot of protection for the PICO and increases its ability to drive more outputs. Take a look at this video how the ULN2803 chip is a great addition to many projects.
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Raspberry Pi PICO Setup and Preparation for Programming https://youtu.be/-1xDEE3vrawPICO
Machine Library PIN Class https://youtu.be/QDtZpuh-Owg
HOW TO CONTROL A RELAY https://youtu.be/eMCdo2bSzos
PROTECT YOUR PICO WITH THIS CHIP https://youtu.be/IKvmihb33B8
Use your PICO to provide the proper sequencing to control a stepper motor. While not the most efficient nor the best way, it does show you a bit about how stepper motors and drives work. This is the first in a small series of videos on stepper motors.
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Raspberry Pi PICO Setup and Preparation for Programming https://youtu.be/-1xDEE3vrawPICO
Machine Library PIN Class https://youtu.be/QDtZpuh-Owg
Learn how to How to interface and use the DHT11 Temp Humidity Sensor. A lot is covered in this video from getting basic readings, through data logging, and even creating a nice looking enclosure for the device.
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Raspberry Pi PICO Setup and Preparation for Programming https://youtu.be/-1xDEE3vrawPICO
Machine Library PIN Class https://youtu.be/QDtZpuh-Owg
Open Collector outputs can be tricky to understand. In this video, Chris explains enough of the details to get you "over the hump" so that you can work with them on the PICO and other electronic devices.
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Raspberry Pi PICO Setup and Preparation for Programming https://youtu.be/-1xDEE3vrawPICO
Machine Library PIN Class https://youtu.be/QDtZpuh-Owg
In this video we will cover the very basics of obtaining the proper UF2 file and installing it into the PICO. Also covered is an example program that will be used as a framework for several other videos on this channel. This particular example program creates a nice looking webpage that the PICO W can serve and it has a nice graphical interface for sending data to the PICO W.
SEE ASSOCIATED VIDEOS:
Raspberry Pi PICO Setup and Preparation for Programming https://youtu.be/-1xDEE3vrawPICO
Machine Library PIN Class https://youtu.be/QDtZpuh-Owg
In this video, we will show you how to add WiFi connectivity to the DHT11 Temp & Humidity Sensor Project. Using a very nice HTLM framework found on another website, we will tailor that example to allow us to set the current date and time in the PICO from a remote computer. Be sure to watch these videos first...
https://youtu.be/tAU5bN3RVRU Interfacing the DHT11 to the PICO https://youtu.be/OoL4ESJeNew Intro the WiFi on the PICO
SEE ASSOCIATED VIDEOS:
Raspberry Pi PICO Setup and Preparation for Programming https://youtu.be/-1xDEE3vrawPICO
Machine Library PIN Class https://youtu.be/QDtZpuh-Owg
Step and Direction step motor drives are the leading method to control & drive stepper motors. They are used in applications from toys to industrial machinery. In this video, Chris explains the "ins and outs" of what is involved when using your PICO with them.
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Control Stepper Motor by "Sequencing" the Outputs
Hall effect sensor - Magnetic Switches are very useful in many projects. Anywhere you want a switch that can't be touched, is a good place for a hall effect sensor. In this video, Chris reviews the data sheet, wiring and coding for the A3144 sensor.
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Control Stepper Motor by "Sequencing" the Outputs
This is a great project for anyone that does photography or 3D scanning. This turntable features variable speed, CW or CCW direction selection, and incremental indexing of a programable number of degrees and activated by a remote switch. Most parts are 3D printed and can be printed with most 3D printers using PLA.
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How to use Step and Direction step motor drives
In this video, Chris will show how to Use the RPR-220 Photo Reflective Sensor With the PICO. This Photo Reflective sensor offers a fast switching speed making it a good choice for use in Tachometer applications. This video is the basis for an upcoming tachometer video/project.
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How to use Step and Direction step motor drives
Chris gets you started with the AWESOME Waveshare 1. 28" round LCD display. Round displays are fascinating devices that allow for enclosure designs that are simply not possible with square or rectangular displays. Follow along as Chris demonstrates writing text and some basic graphics to the display. This display will be used in a future Tachometer project and most likely in other projects too.
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How to use Step and Direction step motor drives
In this video, Chris shows you how to creating a 7 segment font for the 1.28" round LCD display. While the built-in fonts are good, sometimes you want a very special look for a project. This video shows how I created a way to quickly draw a 7 segment character on the display. This font will be used in a future video when we create a tachometer.
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Tachometer - Part 1
Tachometer - Part 2
In this video, Chris explains how he made a tachometer for his precision drill press. The spindle on this machine runs at 11,000 and this tachometer can easily handle that speed. Utilizing a 3D printer, the housing can be made quickly and easily. The tachometer is run on a PICO, and uses the Waveshare 1.28" round display and an RPR-220 photo reflective sensor.
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Tachometer - Part 1
Tachometer - Part 2
Tachometer - Part 3
Many of your PICO projects will be self powered and you need a special USB cable to communicated with it otherwise you can damage the PICO or the batteries. Connecting USB while the PICO is powered can also create a safety hazard!.
This video explain why this is a problem and how to take an ordinary and inexpensive cable and make is safe for use.
BE SURE TO HAVE THE USB CABLE UNPLUGGED WHEN MAKING THIS MODIFICATION!