RAYSHOBBY.NET

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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Around Thanksgiving last year, I received a request from a biology lab professor who commissioned me to modify OpenSprinkler to become a custom fluidics controller. The goal is to achieve web-based, programmable control of fluid selector valves, linear actuators, relays, and air valve, to automate a custom biology experiment. I don’t typically accept contract work, […]

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We went to Boston for a concert last night and I swung by the Micro Center store at Cambridge, MA to check out the Rayshobby products that they carry in store. They have a pretty large ‘DIY Electronics’ section with all sorts of electronic goodies. This is what I pictured RadioShack should be. After searching […]

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Back in April, I blogged about WAi (Worthington Assembly Inc.), a circuit assembly company located only 15 minutes away from where I live. They’ve got great reputation in the maker community, and have helped projects such as Tessel, RGB-123 LED matrices to take off. I am glad to announce that we’ve now partnered with WAi […]

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I had an amazing day visiting Worthington Assembly Inc. (WAi) — an electronics manufacturer / circuit assembly company located in South Deerfield, MA. It’s only 15 minutes of driving from Amherst, where I live. I first saw their business name when I was reading Ryan O’Hara’s post about how he got his RGB-123 LED matrices […]

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