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全部话题 - 话题: gyros
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r*******n
发帖数: 563
1
ACC和GYRO需要散热?
MEMS SENSOR的功耗有多少?CALIBRATE又怎么了?
加一个这种SENSOR需要你的FIRMWARE做很大改动?
g****t
发帖数: 31659
2
你算算给nexus one加个这个,
总共需要多少时间吧.从设计到出货需要多少时间吧.
是不是trivial.

ACC和GYRO需要散热?
这不是废话么.你改了设计,不测散热?

MEMS SENSOR的功耗有多少?CALIBRATE又怎么了?
加一个这种SENSOR需要你的FIRMWARE做很大改动?
v*****r
发帖数: 1119
3
谁给讲讲有 application 怎么利用 Gyroscope 的功能, will there be new set of
library in SDK specific for Gyro or what?
r*******n
发帖数: 563
4
加一个GYRO的DRIVER就行了。看是什么接口的。
你说的那些SDK是应用层软件的东西。跟底层硬件没有直接关系。

of
g****t
发帖数: 31659
5
iphoen OS reference library应该会有更新.
查UIDevice.xxx就行了吧,也许会有demo codes

谁给讲讲有 application 怎么利用 Gyroscope 的功能, will there be new set of
library in SDK specific for Gyro or what?
g****t
发帖数: 31659
6
你牛B,给解释下为啥netbook仿造一个需要花14个月.
那不是更trivial.
gyro sensor要用好,调试说不定就的学两礼拜.

他估计来年lay板子走线,DVT,PVT,产线制程,认证这些根本不了解,没法探讨。
g*****u
发帖数: 14294
7
别散热散热挂嘴上。你讲话要有根据。找份datasheet看看好了。3D accelermeter与
gyro有散热问题绝对是想当然。
g****t
发帖数: 31659
8
你知道iphone用的是多大功率的芯片?
外围加不加部件? 外围要加多少部件?
你的根据在哪?
你拿拖拉机跟 iphone的设计作类比.很好很强大.

别散热散热挂嘴上。你讲话要有根据。找份datasheet看看好了。3D accelermeter与
gyro有散热问题绝对是想当然。
r*******n
发帖数: 563
9
ACC和GYRO又不是无线传感器要FCC干啥。R U KIDDING?

ID
n****i
发帖数: 1772
10
我老早就说过,和民工讨论设计就是浪费时间,实际上加类似gyro acc麻烦大了,产品
的设计都可能要改变,甚至影响外观
工业设计,没到pcb就一堆头疼的问题,后面的撞击测试设计都可能要变,呵呵。几个
工地上搬砖的民工也敢开牙,呵呵。
IT这个行业名声是彻底坏了,连包工头都自称product manager了。
g****t
发帖数: 31659
11
iphone一年最少出几百万部.(itouch今年好像就是8M以上.)
据我所知这种复杂点的sensor,都是吹得牛B的一塌糊涂.
其实内部都是一屁股擦布干净的修修补补.
这玩艺儿敢往上加.还加了那么多别的feature.
说实话我给乔总捏了一把汗.我这儿是相信他的执行力.
但说不定回头出bug也未可知.

我老早就说过,和民工讨论设计就是浪费时间,实际上加类似gyro acc麻烦大了,产品
的设计都可能要改变,甚至影响外观
工业设计,没到pcb就一堆头疼的问题,后面的撞击测试设计都可能要变,呵呵。几个
工地上搬砖的民工也敢开牙,呵呵。
IT这个行业名声是彻底坏了,连包工头都自称product manager了。
r****y
发帖数: 41
12
请大牛推荐一下。最好免费的。
f*****t
发帖数: 4395
13
来自主题: Apple版 - 陀螺仪的游戏很好玩

我记得wii那个好像是2轴gyro,比爱凤这个差点
gun range升级以后太简单了,以前最后那个SCAR要好几万呢,现在我半小时就拿到所
有抢了
l**n
发帖数: 7272
14
今天在这里讨论的digua,biggu,wavelet02,还有我都没有说ixx平台伟光正。PS Vita加了gyro和accelerometer也是大家看到的进步。
e***d
发帖数: 8248
15
那我用同样的理由也可以说 iPhone 正向 Wii 手柄/主机
一体化迈进,accelerometer/gyro 这些必要的传感器都有了,
需要解决的是外接显示的问题。
但是要防止任天堂背后捅刀子告果子侵权,LOL.
J*******3
发帖数: 1651
16
来自主题: Apple版 - 小米Mi4真的不差,
小米Mi4真的不差,
Xiaomi Mi4 Quad-Core 3GB RAM 64GB Rom 5-inch 1080P 13MP WCDMA Smartphone
http://www.xiaomishop.com/img/www.xiaomishop.com1409063842jpg
http://www.xiaomishop.com/130-xiaomi-mi4-quad-core-16gb-64gb-sm
比iPhone 5s强很多,唯一缺憾软件没有很好的优化,否则iPhone 6都是shit.
Specification
Model: MI4
Sim Card: Single Micro-SIM Card Single Standby
Color: Black, White
Capacity
RAM: 3GB
ROM: 16GB
Does not support expanded storage through a memory card slot.
Multi-Languages
English, Simplified Chinese,... 阅读全帖
s***o
发帖数: 2191
17
来自主题: DotNet版 - about windows 8
A lengthy yet very interesting post from the "TWF #2" thread on Silverlight
Forum, by "BSalita"
////////
With summer approaching, we are again suffering another Microsoft
information blackout. This is the period where Microsoft ceases to inform
developers about important new directions. We know the reasons; they don't
want to talk about what might not be delivered, they want to withhold
information from enemies (competitors, lawyers, unfriendly governments),
they want to ratchet up the exciteme... 阅读全帖
o**n
发帖数: 1249
18
我是实用主义者,甚至觉得什么accelerometer,gyro什么的对我都没吸引力,有个键
让我转向屏幕我都不会在意:),主要下面说的简单几件事,运行速度在能忍受的范围,
便宜点,就成了,但最好是个大厂子的,有点保证。
N****w
发帖数: 21578
19
来自主题: Hardware版 - TI Blaze 10" 网板。。Yeh! 配置全阿
配置清单:
http://www.slashgear.com/texas-instruments-blaze-tablet-available-this-august-2491480/
3-axis accelerometer
3-axis gyro
Temperature sensor
Ambient light sensor
Proximity sensor
Pressure (barometric) sensor
Digital compass
。。。
5MP AF camera modules mounted externally on tablet frame
The camera module(s) will be connected to the Blaze via standard HDMI cables
Each OMAP4430 CSI-2 camera interface will have a dedicated HDMI-style
connector
Mechanical
The mechanical envelope, is 10.48″ (266.094
f********i
发帖数: 563
20
来自主题: Hardware版 - TI Blaze 10" 网板。。Yeh! 配置全阿
看来现在gyro都是标配了:)
K**********g
发帖数: 526
21
来自主题: Hardware版 - RAZER竟然出了这东东……
Project Fiona:
Intel® Core™ i7
10.1" 1280x800 display
Full-screen user interface supporting multi-touch
3-axis gyro, magnetometer, accelerometer
Force feedback
Dolby® 7.1 surround sound
WiFi 802.11b/g/n
Bluetooth® 3.0
http://www.razerzone.com/projectfiona
G*****h
发帖数: 33134
22
太爽了,可以攒 HTPC + NAS 了
http://www.arndaleboard.org/wiki/index.php/Main_Page
Samsung Exynos 5 Dual Arndale Board
CPU Board
C********[email protected] GHz dual core subsystem with 64/128 bit SIMD NEON
32KB(instruction)/32KB(DATA)L1 Cache and 1MB l2 Cache
32-bit 800Mhz DDR3(L)/DDR3 1Gbytes x 2
Base Board
Sensor
Accelerator : Invensence MPU-6050
Gyro : Invensence MPU-6050
e-Compass : AKM -AK8963C
ITU 601 camera Interface
H... 阅读全帖
Z**R
发帖数: 1233
23
来自主题: Aviation版 - Chandrayaan-1
Description
Spacecraft for lunar mission is :
#
Cuboid in shape of approximately 1.5 m side.

#
Weighing 1380 kg at launch and 675 kg at lunar orbit.

#
Accommodates eleven science payloads.

#
3-axis stabilized spacecraft using two star sensors, gyros and four
reaction wheels.

#
The power generation would be through a canted single-sided solar array
to provide required power during all phases of the mission. This
deployable solar array consisting of a single p
k*******s
发帖数: 134
24
来自主题: Aviation版 - 请教mahony algorithm
请问版上有没有大神可以帮帮我的,下面的问题我从stack overflow 直接拷贝过来,
所以是英文的。
I'm newbie in sensor and IMU so my question is probably very basic for
others, but it's already puzzled me for days.
I'm using Mahony's algorithm to calculate Euler angle of my device; the
three angles looks correct when put the device static or move/rotate the
device slowly; however, the Yaw angle will become unstable and incorrect if
rotating the device fast. Could someone help me solve this issue ? My device
uses MPU-9150, I use the 6 para... 阅读全帖
k*******s
发帖数: 134
25
来自主题: Aviation版 - 请教mahony algorithm
请问版上有没有大神可以帮帮我的,下面的问题我从stack overflow 直接拷贝过来,
所以是英文的。
I'm newbie in sensor and IMU so my question is probably very basic for
others, but it's already puzzled me for days.
I'm using Mahony's algorithm to calculate Euler angle of my device; the
three angles looks correct when put the device static or move/rotate the
device slowly; however, the Yaw angle will become unstable and incorrect if
rotating the device fast. Could someone help me solve this issue ? My device
uses MPU-9150, I use the 6 para... 阅读全帖
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