Using the built-in Arduino library for the ESP8266 and entering our WiFi network credentials (ssid/password) we connect to the internet. To perform the two tasks mentioned above, namely, query/parse data and control the OLED screen, we use a piece of code running on the ESP8266. Running on the microcontroller, we need software that's able to query the price data from dedicated servers, as well as to control the OLED screen to display the queried data.Īs of this writing, the best sites that provide a free API to query the current prices of different cryptocurrencies are:Įven better, at the moment they neither of them requires an API key, so we only need to write the firmware to perform queries and parse the result to obtain the necessary data. For this project, we evaluated a few options and settled DevKit 1.0 Development Board for its compactness and our familiarity with using an OLED display with it in past projects OLED display with it in past projects! The SoC comes in a variety of modules, breakouts, and development boards. we love it! It's the most convenient, inexpensive way to have a microcontroller running code while connected to a Wi-Fi network. What can we say about the ESP8266 that hasn't been said about the wheel, sliced bread, or the iPhone. Not only are these displays small (and bright!), but they're very easy to control over i2c merely having to connect 4 wires to our microcontroller or single-board computer: 2 for power and ground, and 2 for the data and clock lines. Given our main goal of having a device with a small form factor that could sit on our desks, the first choice was to use a 0.96" OLED screen to display the price data. To build a price tracker for cryptocurrency we simply needed two pieces of hardware: an internet-capable microcontroller to gather the data, and a screen to display it, we tried to find the best solution considering ease of use and cost. In terms of what's required, we challenged ourselves to use the minimum number of parts, and require no special tools/skills such as soldering. The main goal is to have a dedicated, inexpensive, device that would help us avoid repeatedly checking websites, apps, email, writing scripts, etc., in order to monitor the ups and downs of coin prices. Not to mention that building the device is a great excuse to work on a ESP8266-powered, internet-connected, DIY electronics project for any Maker out there! (bro/sis, do you even IoT?) If it is not, tap on the Apple Watch app and scroll down to “Available to install” section and tap on Crypto Pro.With the latest craze in the world of cryptocurrency and, as coin hodlers ourselves, we wanted to have a tiny desktop display cycling through the current prices of different coins.Īlthough we can certainly find the same information using apps and websites (for free!), we discovered that having a dedicated device on our desks displaying the data constantly minimized the time we spent on tracking it. If you have automatic Apple Watch Installation enabled, then Crypto Pro will automatically be added to your Apple Watch. Go to the app store and search for “Crypto Pro”. How to Show Crypto Prices on Your Apple Watch (Steps): Step 1 Download Crypto Pro App on Your iPhone Whether you want to display a large or a small complication, and then furtherĬustomize what you want to appear in these complications. For instance, with the Modular Watch Face, you can choose Numerals, Photos, Pride, Simple, Timelapse, Toy Story, Utility, Vapor, X-LargeĬustomization. Infograph Modular, Kaleidoscope, Liquid Metal, Mickey Mouse, Modular, Motion,
Here is a full list:Ĭalifornia, Chronograph, Color, Explorer, Fire and Water, Gradient, Infograph, Viewing the Crypto Ticker ComplicationsĬan be displayed on all Watch Faces. Tapping on any coin will display a 24-hour chart and additional details. You can either choose to display a list sorted by market cap or display your list of favorite coins you set in the iOS app. You can access the app by tapping on it in the app menu, or by tapping on any Crypto Pro complication. Any alert you set on your phone will automatically sync and get triggered on your Apple Watch.
You’ll also get all the price alerts you set for your coins so you’ll never miss a move. Traders need all the tools they can get their hands in (pun intended) to stayĬrypto Pro’s Apple Watch complications enable you to display Bitcoin and more than 5,000 cryptocurrency prices straight on your Apple Watch. And with such volatile markets, investors and It is not uncommon to see Cryptocurrencies The smartwatch was a hit amongst consumers and opened a new door for applications to develop extensions that can be configured and displayed as complications. A guide on how to use Crypto Pro’s Apple Watch complications to show crypto prices.Īpple Watch was first revealed back in 2014 and was Apple’s first official wearable product.
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