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Category Archive for 'Arduino'

There is an upcoming MakerJam at Mount Holyoke College and I’ve been commissioned to create a new version of SquareWear, numbered 2.3. Following the suggestions I’ve received in the past, I made the first prototype of SquareWear 2.3: Below I list the main changes / improvements: Added Hardware USB-serial Chip (CH340G) : this pretty much […]

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I am excited to announce that OpenSprinkler Firmware 2.1.0 is officially release. This is a major upgrade that includes a number of new features, including: Automatic Weather-based Water Time Adjustment using real-time weather data obtained from Wunderground (thanks to Rich Zimmerman who introduced the method, the adjustment method is named after him). Improved Program Settings […]

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We are getting ready to release the next minor revision of OpenSprinkler DIY kit, numbered 2.2u. This revision is largely the same with the current 2.1u, with three main differences: MCU clock speed is increased to 16MHz (from 12MHz previous), by using a 16MHz crystal. Built-in USB-Serial chip is added, by using CH340G, which is […]

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Check my new blog post on the ESP8266 Toy Continuing from my previous blog post about Hi-Link HLK-RM04 module, I have finally received the ESP8266 Serial-to-WiFi module that I’ve been waiting for. As I said previously, with the popularity of IoT devices, there is an increasing demand for low-cost and easy-to-use WiFi modules. ESP8266 is […]

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We’ve just released a new OpenSprinkler Firmware Update program, with a video tutorial to walk you through the steps of how to upgrade your firmware. Hopefully this will make it easy for users to transition to the upcoming Firmware 2.1.0, which has a number of significant new features and improvements. The new update program is […]

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