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The prototype has lots of potential for pets to hide from loud noise. The noise-canceling kennel is only a prototype, but it has a lot of potential in the future. (Credit: Lyn West, Ford of Europe) Many pet owners worry about the nightmarish sounds left behind by fireworks and the impact it has on their pets and for good reason too. I had a dog once that was frightened of fireworks and thunderstorms, so I sympathize. We all know, their hearing is a lot more sensitive than humans, so it's not ...
I'm road testing the  Ultra-Low Power Arm Cortex-M4 Darwin MCU EVM. In these blog posts I try to build a real world low power design. A barometer using  the pressure sensor BM1383AGLV from the Rohm SensorShield-EVK-003 (Arduino Compatible)  kit.   In this part, the project is functional .But not yet using power save options.   Barometer Firmware Flow  This is a straightforward design. processor in active mode, peripherals on !2c initialised sensor initiali ...
I'm road testing the  Ultra-Low Power Arm Cortex-M4 Darwin MCU EVM. In these blog posts I try to build a real world low power design. This time I'm porting ROHM's Arduino library and example sketch for the pressure sensor BM1383AGLV from the Rohm SensorShield-EVK-003 (Arduino Compatible)  kit to the Maxim 32660 microcontroller. In this part, the i2c read and write functions and the pressure sensor init procedure.   i2c Read Function  The Arduino code for the pressure s ...
I'm road testing the  Ultra-Low Power Arm Cortex-M4 Darwin MCU EVM. In this posts I show how to create a C++ project.     Maxim has a tutorial that explains how to create an Eclipse project from scratch. It is for the MAX3263X but works perfectly for the MAX32660. When you follow the instructions, you get a brand new C project. I would like to create an object oriented example, so I tried the procedure, with as only difference choosing a new C++ Project instead of C projec ...
I'm road testing the  Ultra-Low Power Arm Cortex-M4 Darwin MCU EVM. In these blog posts I try to build a real world low power design. This post fits in two road tests. I'm testing the pressure sensor of the Rohm SensorShield-EVK-003 (Arduino Compatible)  kit together with the Maxim 32660 microcontroller. The goal is to capture pressure data and exchanging it with another device using as little energy as possible.   This is my first MAXIM microcontroller project and the first ...
I'm road testing the  Ultra-Low Power Arm Cortex-M4 Darwin MCU EVM. In this blog post I measure the power going to the MAX32660.   Power Modes  The MAX32660 has a set of power saving options. The obvious one is to lower the clock cycle. The lower the frequency, the less power the chip requires. Another one is the supply voltage. The controller can be sourced from as low as 1.62 V up to 3.63 V. I've used 1.8 V and 3.3 V in this exercise. And there are the configurable power ...
I'm road testing the  Ultra-Low Power Arm Cortex-M4 Darwin MCU EVM. In this blog post I modify the PCB to isolate the power going to the MAX32660.     Where to Measure the Current Consumtion  Measuring the voltage is easy. You can do that on the upper right breakout pin. To measure the current, you could use the TARGET VDD jumper on the debuger / programmer side, and use a low Burden current meter instead of the jumper. This will work, but there are a few (low current ...
I'm road testing the  Ultra-Low Power Arm Cortex-M4 Darwin MCU EVM. In this blog post (I don't have the hardware yet): Trying if I can use Maxim's Eclipse bundle. Maxim hasn't altered Eclipse, but they provide an install that sets up a fully working environment with debugger and examples. Here's my real-time blog about the first experience.     Eclipse as IDE  The Maxim Webinar: What Can You Do With the World’s Smallest Arm® Cortex® M4 with FPU Microcont ...

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