Originally aired on January 28 @ 3:00 AM - 4:00 AM EDT
Let's dig into how you can use Serverless to supercharge your IoT projects! We'll walk through setting up a remote sensor and LED with Cloudflare Workers, Workers KV, and a Raspberry Pi.
Original Airdate: September 21, 2020
English
Tutorials
Internet of Things
All right. Good afternoon, everyone. Welcome to the IoT Hour. I'm Kassian. And today we're going to be working on, we started working on this recently. It's a 3Pi network. We've got a Pi here that has lights on it that lights up different statuses. We've got our parent Pi that sends out data and does PubSub subscriptions. And then we've got this third Pi that we haven't set up yet that I'm going to set up today. And that Pi is going to emulate a sensor and give back data to the parent Pi, which will then be fed out. So let's get started. So I've already got the image etched. So I'm going to do is I'm going to cd into volumes. I'm going to touch an SSH file and that will allow us to SSH in. The next thing I'm going to do is I'm going to go over to my GitHub repository. Pi set up. Copy that file. And then I'm going to I'm going to paste this. And then I'm going to edit it. What we're doing here is we're setting this up to run Wi-Fi. Okay. So that should be ready. We'll take it out of the third reader. We'll put it in the Pi. And then we'll power the Pi on. So it's booting up and it's thinking about it and it's connecting the Internet. While it does that. We're going to go here. We're going to get rid of this line. Okay. That's fine. That means it's getting ready. It's thinking about it. I'm going to wait for a little bit. I'm going to try again. There we go. I'm going to change the password. All right. Now that's done. Everything ready to work on. So meanwhile, while that's running, we'll talk about what we did last week. Which was set up a Python server. That allowed us to set a test and warning and an error color. We also added the child access. Added the log for child access. So let that run for a little bit. This is probably the biggest package there is. All right. So a little bit longer than usual. We are almost done. All right. Okay. It's done. Now we're going to go ahead and run it. All right. Let's all set up. I'm going to stop sharing my screen. Screen for a second so I can add the screen. All right. That's that. All right. Let's get back to here. Let's install the escrow. Okay. All right. All right. All right. All right. All right. All right. All right. Back to the SSH. Now we're going to pull down the repository. All right. Okay. We've got this all set up. So now we can start writing code for the Pi. We've also got new JS installed and all that stuff. So we can get going. So we'll make a new folder. All right. So for inspirations, what we're looking to do is look at the Pi code. Okay. All right. Okay. All right. All right. All right. All right. All right. All right. So we've got the connection to parent running. All right. All right. All right. All right. So I can't publish from here. If I can find an answer for this. Okay. I see. So you can't publish on the same client as you're subscribing onto. So. Okay. Okay. Fantastic. So that's how we get the data back is we need to have a publisher and a subscriber. All right. Let's see. Let's do this. Okay. All right. So every five seconds is some. All right. Now we've got that. Now what we want to do is we want to mess with the parent and have it maybe change the lights or do whatever based on the temperature data. So let's get the parent. So we'll close this window. And we'll go to the parent. All right. All right. All right. All right. Okay. All right. All right. All right. Okay. So the first time. Okay. All right. So now we'll have it change the lights. In fact, that means. All right. Okay. So what we need to do is we need to find the Redis Python. Get it to subscribe to the parent. All right. Okay. All right. All right. Okay. Okay. Okay. So if I'm reading this right. All right. Okay. Okay. All right. All right. All right. All right. All right. All right. All right. All right. Let's see if this works. Let's see if this works. Let's see if this works. Not printing. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay. Okay, well, it's about that time of day where we wrap up and clean up. So, um, The next step is going to be getting the Python client to recognize what's going on with everything else. So let's do some cleanup. Okay. Okay. Okay. Okay. Okay. Okay. Okay. So everything's been pushed up to get. Let's talk about what we'll do next time. Next time I'll have my sensor with me so we'll actually add the temperature and humidity sensor and start pushing data. We will also start pushing data to the Python client and getting that information. I will figure out what's going on there over the course of the next week. Before we. Yeah, before we move forward. Other than that. And what else to talk about. So, um, that's going to be it for the day. 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