tag:blogger.com,1999:blog-36531762609981124872024-03-05T16:36:24.065-08:00the frequently infrequently adventures of Broncosisa blog about random things I have fixed, hacked or broken
maybe other things as wellBroncosishttp://www.blogger.com/profile/16313525018816190040noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-3653176260998112487.post-32987245876779918822012-01-09T21:28:00.001-08:002012-01-09T22:07:23.097-08:00makita phone chargerwell I am at it again hacking my tools to do the things that the<br />manufacturer didn't think I would want<br /><br />this would be my simple 5v power supply from a 18v Makita battery really any battery over 7<br />volts will do so the lxt 14.4v will fit right on as well<br /><br />I decided to build this as when using my blue tooth headphones on the job<br />my phone has a rather short batter life listing to streaming radio<br />over my blue tooth headset just uses to many of the power hungry parts<br />of any phone for it to last mush over 4 hours<br /><br />so I find I plug my phone in often or I forfeit music if power is not close at hand<br />this gives me a portable power source that is small compact I can hang from my tool belt<br />even<br /><br />and i suspect my 18v 3ah batteries should have plenty of runtime to keep my phone<br />happy all day<br /><br /><br />in the following pics you can see my crude assembly<br />once I get my reprap printer built I will make a nicer<br />case of for this for now the base of a broken drill seems to work fine<br /><div style="text-align: left;">it after all a hack and it had a little tape and hot glue to make<br />a genuine hack<br /><br />but as you can see<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjiex4j96Inoe1j2ABeoROSpIgLHRx0IKHCPSGpE6_dp23EiEXPnBmUL97z6a74Mq_pwSBvZ40T-ez1JC4fy2d_VT6D3n74OQw36BkHtGR6bUHof9CFnJoHr_PpFjVjf3Z4R8T1IH2CqQpx/s912/2012-01-09%25252021.19.53.jpg"><img style="float: left; margin: 0pt 10px 10px 0pt; cursor: pointer; width: 229px; height: 172px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjiex4j96Inoe1j2ABeoROSpIgLHRx0IKHCPSGpE6_dp23EiEXPnBmUL97z6a74Mq_pwSBvZ40T-ez1JC4fy2d_VT6D3n74OQw36BkHtGR6bUHof9CFnJoHr_PpFjVjf3Z4R8T1IH2CqQpx/s912/2012-01-09%25252021.19.53.jpg" alt="" border="0" /></a> in the first pic there<br />is a small board with a 5v switching power supply<br />and the battery connector from the bottom off the drill<br />comes out separately which should make printing a new<br />base for this with the reprap easier<br /></div><br /><br /><br /><br /><br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhXDbBqtf0OxHflVfdPZBX4fpUeAv1tqtSywZdx_MYoGoyT_qBgAa-8uZuW9D7rfxsvFf8398c0TZUJok49Oe0wL0qNH2-EIa9H2OXtYhYcKEjEZs0DehQYxcZ6DHnxgghSheI20IvAuHyf/s912/2012-01-09%25252021.20.01.jpg"><img style="float: left; margin: 0pt 10px 10px 0pt; cursor: pointer; width: 229px; height: 172px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhXDbBqtf0OxHflVfdPZBX4fpUeAv1tqtSywZdx_MYoGoyT_qBgAa-8uZuW9D7rfxsvFf8398c0TZUJok49Oe0wL0qNH2-EIa9H2OXtYhYcKEjEZs0DehQYxcZ6DHnxgghSheI20IvAuHyf/s912/2012-01-09%25252021.20.01.jpg" alt="" border="0" /></a>in this pic you can see my butchered drill grip/handle<br />that is my case<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-XzMsJPbsKQ1s78Uxayn4xL7xEv4HUDTHnLAdDwFw7Jwq8VYCAMY99tWDQTC1ieILKzZAgiBXSPRKpSDmLKtQ4K1jWqHO4DZAoeCxcOE-e-svafflur73jBMuUI2i-kgRZQPSVYwEXN3a/s1600/lm2576_5v_3a_switching_supply.jpg"><img style="float:left; margin:0 10px 10px 0;cursor:pointer; cursor:hand;width: 200px; height: 59px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-XzMsJPbsKQ1s78Uxayn4xL7xEv4HUDTHnLAdDwFw7Jwq8VYCAMY99tWDQTC1ieILKzZAgiBXSPRKpSDmLKtQ4K1jWqHO4DZAoeCxcOE-e-svafflur73jBMuUI2i-kgRZQPSVYwEXN3a/s200/lm2576_5v_3a_switching_supply.jpg" alt="" id="BLOGGER_PHOTO_ID_5695874049934920466" border="0" /></a><br />this is the schematic and parts for the power supply<br />on the little tiny board in there this thing can apparently<br />produce up to 3 amps at 5v but I suspect I will be melting the hot glue at that point<br /><br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhrpRPYnX-eop_1s6xySuJxWPIbBYBnemKWapauAPr8kFcpLF9eml4wTjQI_XCnsPp7FGi2OXppalSQ3B7o10RarFSXqcnzjCjmvzLIyhFFfSF7zNKa4Y_ELrcoN4G_XFKhhC9l6Cm6Vk35/s912/2012-01-09%25252021.21.41.jpg"><img style="float: left; margin: 0pt 10px 10px 0pt; cursor: pointer; width: 229px; height: 172px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhrpRPYnX-eop_1s6xySuJxWPIbBYBnemKWapauAPr8kFcpLF9eml4wTjQI_XCnsPp7FGi2OXppalSQ3B7o10RarFSXqcnzjCjmvzLIyhFFfSF7zNKa4Y_ELrcoN4G_XFKhhC9l6Cm6Vk35/s912/2012-01-09%25252021.21.41.jpg" alt="" border="0" /></a>and this is it almost together<br />the scavenged usb socket has the 2 data pins shorted for charging my android phones<br />but you could easily add a couple of resistors for your i pod<br /><br />future upgrades will be a power switch (currently you just pull the battery) a second usb port to run other items such as a spreaker or some thing<br /><br /><br /><br />so I am taking it with me to the job site tomorrow I'll post back some runtime info<br />and use details in the next few days<br /><br /><br />and other than the scavenged drill handle and usb socket<br /><br />the power supply parts and the per-fa board cost less than $5Broncosishttp://www.blogger.com/profile/16313525018816190040noreply@blogger.com0tag:blogger.com,1999:blog-3653176260998112487.post-63139455486058073292010-01-11T20:23:00.000-08:002010-01-12T23:43:23.636-08:00<span style="font-weight: bold;">My Intro</span><span style="font-size:100%;"> </span><br />well to start of I guess I should say I'm just a guy who<br />tinkers with things, sometimes to much but I have a number years<br />in various trades in my back ground and well lets just say some of the things you<br />may read here might solely be driven by the fact that I can be down right cheep.<br />what can you say I expect to get a reasonable value for my dollar. Anyways on with the<br />meat and potatoes.<br /><br /><script type="text/javascript"><!-- google_ad_client = "pub-8347044216394790"; /* 300x250, created 1/11/10 */ google_ad_slot = "2241197672"; google_ad_width = 300; google_ad_height = 250; //--><br /></script><br /><span style="font-weight: bold;">Some backgroun</span><span style="font-weight: bold;">d info</span><span style="font-size:100%;"><br />lately my cordless tools have been feeling a little under supported I am a electrician<br />and I use my makita cordless tools all day, but lately I have had a sting of batteries<br />fail 4 of them all o</span><span style="font-size:100%;">ut of warranty recently and 1 that was covered</span><span style="font-size:100%;"> all with the last 3<br />months. I know yo</span><span style="font-size:100%;">u must be asking how many batteries does this guy need, honestly<br />I can get by with probably 3 but I had 4 after purchasing my tools so<br />it started there I have</span><span style="font-size:100%;"> now got 9 working batteries and a few bits left over from number 10<br />but how i got them all</span><span style="font-size:100%;"> could be a whole other blog.<br /><br />but need less to say once one of the makita lxt batteries goes south they<br />will never charge on a makita charger again even after you fix the p</span><span style="font-size:100%;">roblem.<br />in each of thes</span><span style="font-size:100%;">e batteries there is a small pcb with some memory and a micro-controller<br />that monitor the state of the battery and the number of charge cycles they have seen.<br />once the battery has been declared bad by a charger/battery combo there is no way to reverse this.</span><span style="font-size:100%;"><br /></span><br /><span style="font-size:100%;">so we have a proble</span><span style="font-size:100%;">m som</span><span style="font-size:100%;">e time ago when I got my hands on the first dead battery I tracked down my set of tamper t</span><span style="font-size:100%;">orx keys and popped it open had a look and also went googling for info<br />and ran across a gre</span><span style="font-size:100%;">at video on how to take them apart of course this was after I had it apart<br /><span style="font-weight: bold;"><br />This is not my video clip</span><br />it just was a good clip of how take them apart and test the cells<br /><object height="344" width="425"><param name="movie" value="http://www.youtube.com/v/Z5taguEdlkY&hl=en_US&fs=1&"><param name="allowFullScreen" value="true"><param name="allowscriptaccess" value="always"><embed src="http://www.youtube.com/v/Z5taguEdlkY&hl=en_US&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" height="344" width="425"></embed></object></span><br /><br /><span style="font-size:100%;">thank you<br />doctorbass for this<br /></span><br /><span style="font-size:100%;">and in comments a a couple of months ago there was a comment about using a rc charger<br />to recharger them a</span><span style="font-size:100%;">fter you fix them so I hunted a cheep one down on ebay<br />and well it works pretty good so after some tinkering I can up with<br />my current charger which does a couple things the makita one never did<br />fist off in now </span><span style="font-size:100%;">has 2 usb ports on the side for charging my phone, my headset or my mp3 player<br />with out me getting out a wall wart and fining some where to plug that is as well<br />second it is now a true b</span><span style="font-size:100%;">alance charger unlike the makita which has only<br />a mid point reference for balancing mine monitors each parallel set of batteries.<br />it can with the add</span><span style="font-size:100%;">itio</span><span style="font-size:100%;">n of the original banana to alligator leads the rc charger came with I can charger just about any 22v </span><span style="font-size:100%;">or les</span><span style="font-size:100%;">s tool battery on site if need be.<br /><br /><span style="font-weight: bold;"><span style="font-size:130%;">The charger</span></span><br />ok in side this thing </span><span style="font-size:100%;">is a 15v laptop power supply that had 2 usb ports on it I figured there there<br />why not k</span><span style="font-size:100%;">eep them</span><span style="font-size:100%;"> and there is all the necessary connections to </span><span style="font-size:100%;">power the charger and to connect it to the battery nothing really fancy in there except I was able to keep the cooling fan for the batteries it is how ever running on 15v now but it seems to be quieter that way</span><br /><span style="font-size:100%;">we shall see how long it lasts. i used the small yellow connector to pass the balance conection from the battery to the charger as well as switch the fan on</span><br /><div style="text-align: justify;"><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMvG-j3vq6y0On4yfavh73r2tTQ_3pGRclfOgSrXRCoHb_bbF0kYEltnJsyazY3tvFh12Bcpojs06O-Sd80Dhr5fPR00andiIO2AtWMl-e-Kzk3Fo_qbwoEthQwb_de3fvesvb0fCQw6Q9/s1600-h/IMG_2775.JPG"><img style="margin: 0pt 10px 10px 0pt; float: left; cursor: pointer; width: 112px; height: 109px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMvG-j3vq6y0On4yfavh73r2tTQ_3pGRclfOgSrXRCoHb_bbF0kYEltnJsyazY3tvFh12Bcpojs06O-Sd80Dhr5fPR00andiIO2AtWMl-e-Kzk3Fo_qbwoEthQwb_de3fvesvb0fCQw6Q9/s200/IMG_2775.JPG" alt="" id="BLOGGER_PHOTO_ID_5425743836453096258" border="0" /></a><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjFdv5YKZNQGH6RGd6T0Y3tIyWUjUbomsViTUW-rEPBa2zc_Dm_DPb34BA-83gIqBSf3C7gmdOTj8xim1McuUYGokuP3a_OZq96idPCKn60kX6eXDg7UOlZChMJvY1ElXjjjzXyzvCENdY6/s1600-h/IMG_2777.JPG"><img style="margin: 0pt 10px 10px 0pt; float: left; cursor: pointer; width: 117px; height: 98px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjFdv5YKZNQGH6RGd6T0Y3tIyWUjUbomsViTUW-rEPBa2zc_Dm_DPb34BA-83gIqBSf3C7gmdOTj8xim1McuUYGokuP3a_OZq96idPCKn60kX6eXDg7UOlZChMJvY1ElXjjjzXyzvCENdY6/s200/IMG_2777.JPG" alt="" id="BLOGGER_PHOTO_ID_5425744600439912610" border="0" /></a><br /></div><br /><br /><span style="font-size:100%;"><span style="font-size:130%;"><span style="font-weight: bold;"><br /><br /><br /></span></span></span><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgkLNsELZ8_UJ_KW9DWMX7cnxq2a5dygrBdG2M29VIgm5dhH3SoLsTgaKVpHmS7JyqmH0KDZXSlkv1bsMq02feZrxa8_d9OHApwtuqnwRII3yHSURdfM7r7AON6Hm1wbc83l4Bho4GMt9HR/s1600-h/IMG_2776.JPG"><img style="margin: 0pt 10px 10px 0pt; float: left; cursor: pointer; width: 99px; height: 69px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgkLNsELZ8_UJ_KW9DWMX7cnxq2a5dygrBdG2M29VIgm5dhH3SoLsTgaKVpHmS7JyqmH0KDZXSlkv1bsMq02feZrxa8_d9OHApwtuqnwRII3yHSURdfM7r7AON6Hm1wbc83l4Bho4GMt9HR/s200/IMG_2776.JPG" alt="" id="BLOGGER_PHOTO_ID_5425743995685963490" border="0" /></a><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfMAPWb7F-vFltIN2FhFB_VoEeBcvxqYrn3EVc78WmP45uxZwZhCSxgDUAb35bkvFN8ed1VEHDUZVmctwUuMjFNOYs35ZcSxX9MOW3WL0c9wlGuIcYvz61AnNWZQDWYYtZF5yRigvwWSD0/s1600-h/IMG_2778.JPG"><img style="margin: 0pt 10px 10px 0pt; float: left; cursor: pointer; width: 94px; height: 81px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfMAPWb7F-vFltIN2FhFB_VoEeBcvxqYrn3EVc78WmP45uxZwZhCSxgDUAb35bkvFN8ed1VEHDUZVmctwUuMjFNOYs35ZcSxX9MOW3WL0c9wlGuIcYvz61AnNWZQDWYYtZF5yRigvwWSD0/s200/IMG_2778.JPG" alt="" id="BLOGGER_PHOTO_ID_5425744890374505874" border="0" /></a><br /><br /><br /><br /><br /><br /><span style="font-size:100%;"><span style="font-size:130%;"><span style="font-weight: bold;">The batteries</span><br />in the batteries I removed all the compents from the the pcb other than the connectors<br /></span></span><span style="font-size:100%;"><span style="font-size:130%;">I jumped the smaller terminal to the larger one as the small one is the charge contact<br />and I wanted to stick with that and i added 4 wires to the cells and a jumper from the positive to the yellow connector and jump</span></span><span style="font-size:100%;"><span style="font-size:130%;"> pins 6 and 7 together to complete the fan circuit in the ch</span></span><span style="font-size:100%;"><span style="font-size:130%;">arger. all solder connections are done on the underside to make the cover fit back on. There have been a few choice bits removed from the plastic housing and parts to make everything close up nice.<br /><br /></span></span><div style="text-align: justify;"><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhBCG9djvanUeQKIxypOLzUNjcbSXuNOfAwT2adzVqyIIx99iHgVI_1_CADFBjO7-6lJj8d8lNEoAu1sJRLqjsSpXwlg0zLY9Retj2DFovdU6Vg0Bp2Q2tmksgFieTR7jaqs3PMyVUa39Qv/s1600-h/IMG_2779.JPG"><img style="margin: 0pt 10px 10px 0pt; float: left; cursor: pointer; width: 140px; height: 93px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhBCG9djvanUeQKIxypOLzUNjcbSXuNOfAwT2adzVqyIIx99iHgVI_1_CADFBjO7-6lJj8d8lNEoAu1sJRLqjsSpXwlg0zLY9Retj2DFovdU6Vg0Bp2Q2tmksgFieTR7jaqs3PMyVUa39Qv/s320/IMG_2779.JPG" alt="" id="BLOGGER_PHOTO_ID_5425738496892342706" border="0" /></a><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiH3q9xb2aPQiMdojTgmXVwTC5GOZuY118hqe7dDEPLULJk9kIyxUGoTmDq1vC710hZ8cMhaH4v3w6KUnfR3KJ6iI-TTmqii63zVvKfg4F6GK22O0XTK2Tv8xGiC5gM0bh3apY2zB7RiZwa/s1600-h/IMG_2780.JPG"><img style="margin: 0pt 10px 10px 0pt; float: left; cursor: pointer; width: 87px; height: 89px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiH3q9xb2aPQiMdojTgmXVwTC5GOZuY118hqe7dDEPLULJk9kIyxUGoTmDq1vC710hZ8cMhaH4v3w6KUnfR3KJ6iI-TTmqii63zVvKfg4F6GK22O0XTK2Tv8xGiC5gM0bh3apY2zB7RiZwa/s320/IMG_2780.JPG" alt="" id="BLOGGER_PHOTO_ID_5425739138824529394" border="0" /></a> </div><br /><br /><br /><br /><br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiIeBlCUce_8tw19WZAvJ2UlmJ6Lm9cWq1fx4kMjGq7mle0lInZjRg4R3BIu_nWRsCX_Xq16lV7RMKk9fG9Ui3bcgf1i_oapQqEiHRUhG9UPLqPA8h01ngQ_mJ_KdCuMY8cd2Qs65FVvb0i/s1600-h/IMG_2782.JPG"><img style="margin: 0pt 10px 10px 0pt; float: left; cursor: pointer; width: 97px; height: 71px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiIeBlCUce_8tw19WZAvJ2UlmJ6Lm9cWq1fx4kMjGq7mle0lInZjRg4R3BIu_nWRsCX_Xq16lV7RMKk9fG9Ui3bcgf1i_oapQqEiHRUhG9UPLqPA8h01ngQ_mJ_KdCuMY8cd2Qs65FVvb0i/s320/IMG_2782.JPG" alt="" id="BLOGGER_PHOTO_ID_5425743107104680274" border="0" /></a><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj-Ps1AiLAeHz5QvGy83ptUugpTcblPbIZeYMaMDQT3hAk3QiyOK5lcHmpFF2IGP0mobnI_mVLSDByKlFiS6IqHRexvdSeaMMXN_3Jq5da6UAUmgPES19rTyttRfs55Q0wZ3gc8jIUN8s3A/s1600-h/IMG_2781.JPG"><img style="margin: 0pt 10px 10px 0pt; float: left; cursor: pointer; width: 98px; height: 79px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj-Ps1AiLAeHz5QvGy83ptUugpTcblPbIZeYMaMDQT3hAk3QiyOK5lcHmpFF2IGP0mobnI_mVLSDByKlFiS6IqHRexvdSeaMMXN_3Jq5da6UAUmgPES19rTyttRfs55Q0wZ3gc8jIUN8s3A/s320/IMG_2781.JPG" alt="" id="BLOGGER_PHOTO_ID_5425742633467589186" border="0" /></a><br /><br /><br /><br /><br />now that all this has been done I have a charger that can charger my refurbished and my untouched batteries though it will not balance the untouched ones it will still charge them with out hurting them if I put one of these refurbish batteries on a normal charger the charger sits there idle as if there is no battery so there is no harm to batteries or chargers is you happen to mix them up .Broncosishttp://www.blogger.com/profile/16313525018816190040noreply@blogger.com8