tag:blogger.com,1999:blog-41318927232590992552012-01-02T04:19:52.855-08:00Sambashttp://www.blogger.com/profile/11291138121730550562noreply@blogger.comBlogger151100tag:blogger.com,1999:blog-4131892723259099255.post-27078829181037408622011-04-10T05:18:00.001-07:002011-04-10T05:19:20.476-07:00<iframe title="YouTube video player" width="640" height="390" src="http://www.youtube.com/embed/DZooNhVo55s" frameborder="0" allowfullscreen></iframe><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4131892723259099255-2707882918103740862?l=sambaselectronics.blogspot.com' alt='' /></div>Sambashttp://www.blogger.com/profile/11291138121730550562noreply@blogger.com0tag:blogger.com,1999:blog-4131892723259099255.post-4247336889683587502010-09-21T02:32:00.000-07:002010-09-21T02:49:00.189-07:00Openpilot quad tests and tuning<br /><br /><object height="385" width="640"><param name="movie" value="http://www.youtube.com/v/J8Xm2Rp2tiA&amp;color1=0xb1b1b1&amp;color2=0xd0d0d0&amp;hl=en_US&amp;feature=player_embedded&amp;fs=1"><param name="allowFullScreen" value="true"><param name="allowScriptAccess" value="always"><embed src="http://www.youtube.com/v/J8Xm2Rp2tiA&amp;color1=0xb1b1b1&amp;color2=0xd0d0d0&amp;hl=en_US&amp;feature=player_embedded&amp;fs=1" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" height="385" width="640"></embed></object><br /><br /><object height="385" width="640"><param name="movie" value="http://www.youtube.com/v/yJEFJE4hjx0&amp;color1=0xb1b1b1&amp;color2=0xd0d0d0&amp;hl=en_US&amp;feature=player_embedded&amp;fs=1"><param name="allowFullScreen" value="true"><param name="allowScriptAccess" value="always"><embed src="http://www.youtube.com/v/yJEFJE4hjx0&amp;color1=0xb1b1b1&amp;color2=0xd0d0d0&amp;hl=en_US&amp;feature=player_embedded&amp;fs=1" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" height="385" width="640"></embed></object><br /><br /><object height="385" width="640"><param name="movie" value="http://www.youtube.com/v/kmgC7QUTM1A&amp;color1=0xb1b1b1&amp;color2=0xd0d0d0&amp;hl=en_US&amp;feature=player_embedded&amp;fs=1"><param name="allowFullScreen" value="true"><param name="allowScriptAccess" value="always"><embed src="http://www.youtube.com/v/kmgC7QUTM1A&amp;color1=0xb1b1b1&amp;color2=0xd0d0d0&amp;hl=en_US&amp;feature=player_embedded&amp;fs=1" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" height="385" width="640"></embed></object><br /><br /><object height="385" width="640"><param name="movie" value="http://www.youtube.com/v/6U0hg5kyHR8&amp;color1=0xb1b1b1&amp;color2=0xd0d0d0&amp;hl=en_US&amp;feature=player_embedded&amp;fs=1"><param name="allowFullScreen" value="true"><param name="allowScriptAccess" value="always"><embed src="http://www.youtube.com/v/6U0hg5kyHR8&amp;color1=0xb1b1b1&amp;color2=0xd0d0d0&amp;hl=en_US&amp;feature=player_embedded&amp;fs=1" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" height="385" width="640"></embed></object><br /><br /><object height="385" width="640"><param name="movie" value="http://www.youtube.com/v/Uycn5WmVU04&amp;color1=0xb1b1b1&amp;color2=0xd0d0d0&amp;hl=en_US&amp;feature=player_embedded&amp;fs=1"><param name="allowFullScreen" value="true"><param name="allowScriptAccess" value="always"><embed src="http://www.youtube.com/v/Uycn5WmVU04&amp;color1=0xb1b1b1&amp;color2=0xd0d0d0&amp;hl=en_US&amp;feature=player_embedded&amp;fs=1" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" height="385" width="640"></embed></object><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4131892723259099255-424733688968358750?l=sambaselectronics.blogspot.com' alt='' /></div>Sambashttp://www.blogger.com/profile/11291138121730550562noreply@blogger.com0tag:blogger.com,1999:blog-4131892723259099255.post-36116633810414060072010-06-30T01:44:00.000-07:002010-06-30T01:46:54.913-07:00<object width="480" height="385"><param name="movie" value="http://www.youtube.com/v/fwfI5_Hph2M&hl=en_GB&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/fwfI5_Hph2M&hl=en_GB&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="480" height="385"></embed></object><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4131892723259099255-3611663381041406007?l=sambaselectronics.blogspot.com' alt='' /></div>Sambashttp://www.blogger.com/profile/11291138121730550562noreply@blogger.com0tag:blogger.com,1999:blog-4131892723259099255.post-30519121483196214092010-04-13T23:00:00.000-07:002010-04-13T23:12:19.400-07:00Use it "AS IS" without warranty of any kind.<br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_Qi1pWdjZ8J8/S8VaWn_sgWI/AAAAAAAAAZs/2eXsck25c-Y/s1600/hakkarel.png"><img style="display: block; margin: 0px auto 10px; text-align: center; cursor: pointer; width: 320px; height: 232px;" src="http://2.bp.blogspot.com/_Qi1pWdjZ8J8/S8VaWn_sgWI/AAAAAAAAAZs/2eXsck25c-Y/s320/hakkarel.png" alt="" id="BLOGGER_PHOTO_ID_5459869467996356962" border="0" /></a>Grounded ID pin enables lines in the miniUSB connector for internal serialport.<br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_Qi1pWdjZ8J8/S8VbODrjshI/AAAAAAAAAZ0/f2Dhq6qH850/s1600/IMG_1095.JPG"><img style="display: block; margin: 0px auto 10px; text-align: center; cursor: pointer; width: 240px; height: 320px;" src="http://3.bp.blogspot.com/_Qi1pWdjZ8J8/S8VbODrjshI/AAAAAAAAAZ0/f2Dhq6qH850/s320/IMG_1095.JPG" alt="" id="BLOGGER_PHOTO_ID_5459870420320891410" border="0" /></a>With small pcb all the needed electronics fit inside the connector housing.<br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_Qi1pWdjZ8J8/S8VbOYPmpsI/AAAAAAAAAZ8/arBPOyyfJ1s/s1600/IMG_1096.JPG"><img style="display: block; margin: 0px auto 10px; text-align: center; cursor: pointer; width: 320px; height: 240px;" src="http://3.bp.blogspot.com/_Qi1pWdjZ8J8/S8VbOYPmpsI/AAAAAAAAAZ8/arBPOyyfJ1s/s320/IMG_1096.JPG" alt="" id="BLOGGER_PHOTO_ID_5459870425840789186" border="0" /></a>Completed cable looks tidy and is fully functional.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4131892723259099255-3051912148319621409?l=sambaselectronics.blogspot.com' alt='' /></div>Sambashttp://www.blogger.com/profile/11291138121730550562noreply@blogger.com0tag:blogger.com,1999:blog-4131892723259099255.post-42914939740915753412010-03-09T23:23:00.000-08:002010-03-09T23:26:23.438-08:00Latest plane for my fleet, RC-ufo. I build this for aerial photography.<br /><br /><object width="480" height="385"><param name="movie" value="http://www.youtube.com/v/W6QIORYzo7I&hl=en_US&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/W6QIORYzo7I&hl=en_US&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="480" height="385"></embed></object><br /><br /><object width="480" height="385"><param name="movie" value="http://www.youtube.com/v/Lh-SQj5sDqY&hl=en_US&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/Lh-SQj5sDqY&hl=en_US&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="480" height="385"></embed></object><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4131892723259099255-4291493974091575341?l=sambaselectronics.blogspot.com' alt='' /></div>Sambashttp://www.blogger.com/profile/11291138121730550562noreply@blogger.com0tag:blogger.com,1999:blog-4131892723259099255.post-63463534725497504602010-01-19T07:22:00.000-08:002010-01-19T07:24:54.475-08:00<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/MjROxay0V3o&hl=en_US&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/MjROxay0V3o&hl=en_US&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4131892723259099255-6346353472549750460?l=sambaselectronics.blogspot.com' alt='' /></div>Sambashttp://www.blogger.com/profile/11291138121730550562noreply@blogger.com1tag:blogger.com,1999:blog-4131892723259099255.post-90892917461593342672010-01-08T01:24:00.001-08:002010-01-08T01:58:04.150-08:00<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_Qi1pWdjZ8J8/S0b5-_BH9XI/AAAAAAAAACA/T7NXIrQJPS8/s1600-h/IMG_1812e.JPG"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 320px; height: 240px;" src="http://3.bp.blogspot.com/_Qi1pWdjZ8J8/S0b5-_BH9XI/AAAAAAAAACA/T7NXIrQJPS8/s320/IMG_1812e.JPG" alt="" id="BLOGGER_PHOTO_ID_5424297661677696370" border="0" /></a>I learned this when repairing few devices:<br /><span style="font-weight: bold;">TP1</span>=1.3V core voltage<br /><span style="font-weight: bold;">TP2</span>=3.3V io voltage<br /><span style="font-weight: bold;">TP3</span>=~4.2V battery or usb or charger voltage<br /><span style="font-weight: bold;">TP4</span>=2.4V memory voltage<br /><span style="font-weight: bold;">U8</span>=rear speaker amplifier, chip unknown, markings A16852 812CA1 L59421, few devices had fried this<br /><span style="font-weight: bold;">U18</span>=LM3658 Dual Source USB/AC Li Chemistry Charger IC for Portable Applications, looks like USB isn't fully connected. If it would it should charge at same speed as autocharger. Chargerate is set to 500mA. Battery is about 1500mAh.<br /><span style="font-weight: bold;">U19</span>=LTC3406 1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT, markings doesn't match, maybe copied chip. Set for 3.3V. Often fried<br /><span style="font-weight: bold;">U21</span>=same as above, set for 1.3V, few fried<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4131892723259099255-9089291746159334267?l=sambaselectronics.blogspot.com' alt='' /></div>Sambashttp://www.blogger.com/profile/11291138121730550562noreply@blogger.com0tag:blogger.com,1999:blog-4131892723259099255.post-8605592746775929542009-12-19T12:08:00.000-08:002009-12-19T12:09:36.010-08:00<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/1ZTVdLSDDGE&hl=en_US&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/1ZTVdLSDDGE&hl=en_US&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4131892723259099255-860559274677592954?l=sambaselectronics.blogspot.com' alt='' /></div>Sambashttp://www.blogger.com/profile/11291138121730550562noreply@blogger.com0tag:blogger.com,1999:blog-4131892723259099255.post-59790307606565929692009-12-15T07:48:00.000-08:002009-12-15T07:53:22.132-08:00Use it "as is" without warranty of any kind.<br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_Qi1pWdjZ8J8/Syev-0ITrcI/AAAAAAAAAB4/z1mtTY7PszU/s1600-h/photonavvidin.png"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 320px; height: 232px;" src="http://4.bp.blogspot.com/_Qi1pWdjZ8J8/Syev-0ITrcI/AAAAAAAAAB4/z1mtTY7PszU/s320/photonavvidin.png" alt="" id="BLOGGER_PHOTO_ID_5415490570616548802" border="0" /></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4131892723259099255-5979030760656592969?l=sambaselectronics.blogspot.com' alt='' /></div>Sambashttp://www.blogger.com/profile/11291138121730550562noreply@blogger.com1tag:blogger.com,1999:blog-4131892723259099255.post-25335042405330271882009-12-06T08:37:00.000-08:002009-12-06T11:17:12.301-08:00<span style="font-weight: bold;">step needed to get firmware loaded (/lib/firmware/rt73.bin):</span><br /> echo /sbin/mdev > /proc/sys/kernel/hotplug<br /><br /><span style="font-weight: bold;">load WN321G module:</span><br /> modprobe rt73usb<br /><br /><span style="font-weight: bold;">Connect to wlan router:</span><br /> iwconfig wlan0 essid <span style="font-style: italic;">routerid </span><span style="font-weight: bold;"><id></id></span> channel<span style="font-style: italic;"> 6</span><br /> ifconfig wlan0 up<br /> udhcpc -i wlan0<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4131892723259099255-2533504240533027188?l=sambaselectronics.blogspot.com' alt='' /></div>Sambashttp://www.blogger.com/profile/11291138121730550562noreply@blogger.com0tag:blogger.com,1999:blog-4131892723259099255.post-25294835028690632762009-11-30T12:30:00.000-08:002009-11-30T12:34:05.957-08:00Kernel 2.6.32-rc8 working and tslib tests.<br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_Qi1pWdjZ8J8/SxQr9IjEwOI/AAAAAAAAAA0/9n0aXuMzwxE/s1600/IMG_1795.JPG"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 320px; height: 240px;" src="http://3.bp.blogspot.com/_Qi1pWdjZ8J8/SxQr9IjEwOI/AAAAAAAAAA0/9n0aXuMzwxE/s320/IMG_1795.JPG" alt="" id="BLOGGER_PHOTO_ID_5409997381645418722" border="0" /></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4131892723259099255-2529483502869063276?l=sambaselectronics.blogspot.com' alt='' /></div>Sambashttp://www.blogger.com/profile/11291138121730550562noreply@blogger.com0tag:blogger.com,1999:blog-4131892723259099255.post-74030633258147125442009-11-29T11:20:00.000-08:002009-11-29T12:01:19.554-08:00Irssi for buildroot:<br /><a href="http://kotisivu.dnainternet.net/sakrkorh/arm/Config.in">buildroot/package/irssi/Config.in</a><br /><a href="http://kotisivu.dnainternet.net/sakrkorh/arm/irssi.mk"><span>buildroot/package/irssi/irssi.mk</span></a><br /><br />2.6.31 patch for mini2440<br /><a href="http://kotisivu.dnainternet.net/sakrkorh/arm/mini2440.diff"><span>Kernel patch for mini2440</span></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4131892723259099255-7403063325814712544?l=sambaselectronics.blogspot.com' alt='' /></div>Sambashttp://www.blogger.com/profile/11291138121730550562noreply@blogger.com0tag:blogger.com,1999:blog-4131892723259099255.post-46126214299218673522009-11-24T08:22:00.000-08:002009-11-24T08:46:05.028-08:00Depron Extra 300, DX 2212 motor 9x5-11x4 prop, 30A ESC, 2S900 or 3s900, AR6100, 4x9g servos, FCO2 option<br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_Qi1pWdjZ8J8/SwwJmIfTwoI/AAAAAAAAAAU/gL3Ml9i1Kno/s1600/IMG_1687e.jpg"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 320px; height: 240px;" src="http://2.bp.blogspot.com/_Qi1pWdjZ8J8/SwwJmIfTwoI/AAAAAAAAAAU/gL3Ml9i1Kno/s320/IMG_1687e.jpg" alt="" id="BLOGGER_PHOTO_ID_5407707803283604098" border="0" /></a><br />Depron F22 tomhe, GH SuperSonic 6x4 APC, 30A ESC, 3s2200, AR6100, 2x9g servos, bombdropper and FCO2 options.<br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_Qi1pWdjZ8J8/SwwJ-tzCpzI/AAAAAAAAAAc/3284OXdUoSM/s1600/IMG_1719.JPG"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 320px; height: 240px;" src="http://3.bp.blogspot.com/_Qi1pWdjZ8J8/SwwJ-tzCpzI/AAAAAAAAAAc/3284OXdUoSM/s320/IMG_1719.JPG" alt="" id="BLOGGER_PHOTO_ID_5407708225615341362" border="0" /></a><br />Depron Infineon mini, currently overweight, DX 2208 8x4 prop, 18A ESC, 2x900, 3x4g servos, AR6100<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_Qi1pWdjZ8J8/SwwKUoTvvjI/AAAAAAAAAAk/_6hVgW5RuKo/s1600/IMG_1739e.jpg"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 320px; height: 240px;" src="http://4.bp.blogspot.com/_Qi1pWdjZ8J8/SwwKUoTvvjI/AAAAAAAAAAk/_6hVgW5RuKo/s320/IMG_1739e.jpg" alt="" id="BLOGGER_PHOTO_ID_5407708602099023410" border="0" /></a><br />Depron HoverCraft, DX 2212 with 6x4 for push, 55mm EDF for lift, 2x30A ESC, 2x3s2200, 9g servo for rudder, 5 channel radio.<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_Qi1pWdjZ8J8/SwwJMb0_jwI/AAAAAAAAAAM/w5vS_bQ2JdY/s1600/IMG_1704e.jpg"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 240px; height: 320px;" src="http://3.bp.blogspot.com/_Qi1pWdjZ8J8/SwwJMb0_jwI/AAAAAAAAAAM/w5vS_bQ2JdY/s320/IMG_1704e.jpg" alt="" id="BLOGGER_PHOTO_ID_5407707361798229762" border="0" /></a><br />CopterX 450, Turnigy Typhoon motor, 40A ESC, 3x2200, 3xMG14+DS420, DX GYRD, AR6100<br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_Qi1pWdjZ8J8/SwwKb9MqNnI/AAAAAAAAAAs/cn1a5SmlBFM/s1600/IMG_1740e.jpg"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 320px; height: 240px;" src="http://4.bp.blogspot.com/_Qi1pWdjZ8J8/SwwKb9MqNnI/AAAAAAAAAAs/cn1a5SmlBFM/s320/IMG_1740e.jpg" alt="" id="BLOGGER_PHOTO_ID_5407708727965529714" border="0" /></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4131892723259099255-4612621429921867352?l=sambaselectronics.blogspot.com' alt='' /></div>Sambashttp://www.blogger.com/profile/11291138121730550562noreply@blogger.com0tag:blogger.com,1999:blog-4131892723259099255.post-49640203787546569532009-11-23T10:03:00.000-08:002009-11-23T10:06:10.686-08:00Today I got my own video input hardware working for Photonav navigator.<br /><a href="http://www.youtube.com/watch?v=jXWG-cBb8Ow">http://www.youtube.com/watch?v=jXWG-cBb8Ow</a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4131892723259099255-4964020378754656953?l=sambaselectronics.blogspot.com' alt='' /></div>Sambashttp://www.blogger.com/profile/11291138121730550562noreply@blogger.com0tag:blogger.com,1999:blog-4131892723259099255.post-26125591713212804512009-11-23T09:59:00.000-08:002009-11-23T10:02:45.732-08:00First entry to my blog. This blog will include my electronics and software development memo.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4131892723259099255-2612559171321280451?l=sambaselectronics.blogspot.com' alt='' /></div>Sambashttp://www.blogger.com/profile/11291138121730550562noreply@blogger.com