Blog

Make Life Accessible - Clear Walk - Melting Snow - blog 19

dougw — Mon, 02 Jan 2017 21:03:00 GMT

This update to the Clear Walk project is to demonstrate its performance in the snow, but first I should show the android app I made to run this test. Note it is in the style of Star Trek LCARS because the Clear Walk system is also the "Main Deflector...(read more)

Step Five: 5 Hardware - Intelligent Elbow-motion Assistance Acuator

fyaocn — Tue, 05 Jul 2016 07:31:38 GMT

5.1 Function DescriptionMy projectl is Intelligent Elbow Motion-Assistance Actuator. This device is comprised of two parts. On part is intelligent arm gesture sensing and pattern matching implemented by FRDM-KV31. The other part is bi-direction elbow...(read more)

Step Four: 4.2 Programming and Software Design

fyaocn — Tue, 05 Jul 2016 05:02:31 GMT

4.2 The revised Program Flow4.2.1 My previous plan is running on FreeRTOS, which is fit for time-critical tasks and more concise in programming.Of course, application of interruption can do same job but if I have enough resource, I still would like t...(read more)

Step Four: 4.1 Software_Description of Demo Project

fyaocn — Tue, 05 Jul 2016 04:20:19 GMT

4.1 Description of Demo Project4.1.1 NXP has provided a demo project for PMSM control. With a counter increment, the speed of motor change from 1000rpm, 2000rmp to 4000rpm, then to -1000rpm, -2000rpm, -4000rpm.The Freemaster embedded in this pr...(read more)

Make Life Accessible - ELapShelf - Completed Project - Blog 13

rsc — Mon, 04 Jul 2016 01:46:00 GMT

Here it is, I put the electrical components in a box and bolted it to the arm, added a power switch and a reset switch to the box. players.brightcove.net/.../index.html(read more)

Make Life Accessible - Clear Walk - Moving Mirrors - blog 18

dougw — Sat, 02 Jul 2016 05:42:55 GMT

I have to squeeze in one more update before I have to drive to Boston. The video below shows the fully functional Clear Walk system, with mirrors installed, capable of redirecting sunlight anywhere it is needed under remote control. It could be...(read more)

Make Life Accessible - Clear Walk - Operational - blog 17

dougw — Fri, 01 Jul 2016 20:21:08 GMT

The Clear Walk system is finally fully operational under battery power. I have packaged the electronics in a small case which can be mounted on the frame. You can see a demo of the mechanics in operation in the following video.players.brightcove.net/...(read more)

EyePrints - Post 17 - Final demo

amgalbu — Thu, 30 Jun 2016 11:56:38 GMT

Previous postsPost 1 - Introduction Post 2 - Installing OpenCV - Prerequisites Post 3 - Installing OpenCV Post 4 - Installing Pygaze Post 5 - Installing eye tracker Post 6 - SPI communication Post 7 - SPI communication in Python EyePrints - Post 8 - Getting...(read more)

Make Life Accessible - Clear Walk - Bluetooth Motor - blog 16

dougw — Thu, 30 Jun 2016 03:38:57 GMT

It has taken months to get the Clear Walk mechanics and motors built up and functional, but only one evening to get the motor driver electronics working under Bluetooth control. Finding the H-bridge motor controller card amongst my old projects was q...(read more)

Step Three: 3.3 Use of Capacitive touch sensors TI-FDC2114

fyaocn — Wed, 29 Jun 2016 08:57:24 GMT

1、The schedule is tight when time is ticking. I have selected FDC2114 by TI as direction control switch. One FDC2114 can monitor 4 channels for hand or arm approximate detection.The FDC2x1x family targets proximity sensing and liquid level sensing ap...(read more)

Make Life Accessible - ELapShelf - Touch Lamp - Blog 12

rsc — Tue, 28 Jun 2016 20:07:24 GMT

To complete the touch lamp for the shelf I made a small box from balsa to match the shelf.The power for the lamp is a small flat 2300mah USB phone charger LiPo battery pack.The schematic for the circuit is shown below:(read more)

Smart Storage - Blog 6 - things are (still) moving

grahamwebberjhb — Tue, 28 Jun 2016 15:52:45 GMT

I have made some progress and the end is in sight though I am not sure if I will finish in time, but we shall see. I have hacked and chopped and glued an old gearbox together, I found that the output shaft ran at nice speed with the first gear s...(read more)

Step Three: 3.2 Programming environment based on KDS3.2.0+SDK1.3.0

fyaocn — Tue, 28 Jun 2016 07:28:56 GMT

1. As I have mentioned in last blog. The KMS1.0.0.0 seems do not work well. With different mixed type installation for drivers, IDE and SDK. Finally, my development environment has come to good result and work OK now. PMSM-demo has passed the debug a...(read more)

Make Life Accessible - Clear Walk - Motorized Azimuth - blog 15

dougw — Tue, 28 Jun 2016 06:10:40 GMT

This update demonstrates motorized azimuth rotation. Finally there is a fully mechanically working system. Only the mirrors need to be mounted, plus some weatherproof covers.players.brightcove.net/.../index.htmlHere is a closeup of the azimuth motor....(read more)

Make Life Accessible - ELapShelf - Blog 11

rsc — Mon, 27 Jun 2016 14:34:56 GMT

After a week of modifying the original gear train I decided to start over with a fresh set of arm struts with thicker oak trim.This added some needed stiffness and let me embed the shaft bearings deeper into the wood. The system is still a bit ...(read more)