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chriswhite

Brave New Hello World

Posted by chriswhite Jun 30, 2015
Written by Elecia White.   At O’Reilly’s Solid conference, I presented an introduction to using inertial sensors. In the talk, I passed around a hardware demonstration to illuminate accelerometers, angular rate sensors, and magnetometers.   The device is "hello world" for inertial sensors so I keep rebuilding the code for different processors and inertial measurement units (IMUs). The platform I want to show today is a Freescale Freedom KL05Z (FRDM-KL05Z) with a sensor to ...
Written by Elecia White.   On episode 104, we talked to Andreas Eieland of Atmel about choosing low power processors, comparing them with EEMBC’s benchmark ULPBench, and tips for achieving low power. If you are making a low power device (like a wearable), you need to understand how to minimize current draw to maximize battery life. However, even before that you have to know how to measure current. After all, why optimize something that takes a microsecond when you draw a lot more to ...
Written by Elecia White.   In Episode 102, we spoke with Charles Lohr about the extremely cheap ESP8266 WiFi chip. He has a great write up on getting started. I haven’t gotten my hands on one yet but I sure want to.   In the meantime, everyone seems to want to do a BLE project. We talked about getting started with BLE in Episode 62 but that was before I’d gotten to play with it extensively. I can’t talk about the specific projects I’ve worked on with BLE yet b ...