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Category Archive for 'IoT'

I just discovered something exciting recently and want to share with you: it’s now possible to use IFTTT with OpenSprinkler and OpenGarage; and because IFTTT support Amazon Echo (Alexa), you can now speak voice command to trigger sprinkler actions. For example, say ‘Alexa, trigger open sprinkler zone 1‘, or ‘Alexa, trigger my garage door‘. I […]

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News and Updates We’ve recently found a technical issue with Blynk’s QR code scan feature that makes the Blynk app not work properly on some iOS devices. The symptom is that the app can receive push notifications but the distance value, read count, and LCD widget are not updating. Please check this forum post for […]

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Since the first version of ESPToy, I’ve done some pretty rapid revisions. This post is to introduce the new minor revision 1.21, with LiPo battery jack and charger. As you can see in the annotated diagram below, the main components are the same as ESPToy 1.2: a color (RGB) LED, pushbutton (wired to GPIO0, so […]

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A little while back I released the very first version of ESPToy — a ESP8266 Development Board with a few useful on-board components like color LED, button, and temperature sensor. It has a built-in ATmega644 microcontroller, and pin headers for plugging in a ESP-01 through-hole WiFI module. Shortly after that, I discovered the Lua firmware […]

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ESP8266 module and ESP8266 Toy are available for purchase at Rayshobby Store. ESPToy version 1.2 announced! Check out the announcement post here. Resources for Programming ESP8266 using Arduino Content Introduction Features Demos Programming Flashing a New Firmware to ESP8266

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