Check out the Kickstarter for more details, and congratulations to CaptMcAllister! The whole thing is powered by the NFC radio in a smartphone, so you just hold your phone up to the sensor to get a reading. We’re saddened to learn of the passing of Dale Heatherington last week. While the name might not ring a bell, the name of his business partner Dennis Hayes probably does, as together they founded Hayes Microcomputer Products, makers of the world’s first modems specifically for the personal computer market. Dale was the technical guru of the partnership, and it’s said that he’s the one who came up with the famous “AT-command set”. Posted in Hackaday Columns, Hackaday links Tagged altium, AT command, autodesk, eda, hackaday links, hayes, Kickstarer, MEMS, modem, NFC, polysilicon, sensor, siloxane Heatherington only stayed with Hayes for seven years or so before taking his a $20 million share of the company and retiring, which of course meant more time and resources to devote to tinkering with everything from ham radio to battle bots. built a Hackable Open-Source Thermostat to smooth out temperature fluctuations caused by the large hysteresis of the bimetallic strip thermostat in his apartment. While it may be tempting to adjust the “ anticipator” to take care of the problem or even replace the bimetallic thermostat with an electronic version, building your own thermostat from scratch is a good way to add to your project portfolio while making your way through college. Plus, he got to hone his hardware and software design chops. ALTIUM DESIGNER 20 ALIGN 3D BODY SOFTWARE The hardware is designed around the STM32, using a cheap, minimal variant since the device just needs to sense temperature and control the furnace in on-off mode. The TMP117 high-accuracy, low-power, temperature sensor was selected for temperature measurement since accuracy was an essential feature of the project. Dry-contact output for the furnace is via a normally-open solid state relay (opto-isolator). ALTIUM DESIGNER 20 ALIGN 3D BODY SOFTWARE.
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