Arduino - Teh Forum

<body> <div id="header"> <span class="left"> <span class="back"><a href="lthread_list.php?webtag=DEFAULT"><span class="image mobile_back" title="Back"></span></a></span> <span class="image mobile_logo" title="Beehive Forum Logo"></span> </span> <ul> <li> <a class="reply_all" href="lpost.php?webtag=DEFAULT&reply_to=40898.0&return_msg=40898.468"> <span class="image mobile_reply_all"></span><span class="text">Reply to All</span> </a> </li> <li> <a class="navigation" href="#"> <span class="image mobile_navigation"></span><span class="text">Show messages</span> </a> </li> <li> <a class="main" href="#"><span class="image mobile_menu" title="Menu"></span> </a> </li> </ul> </div> <div class="menu main"> <ul> <li><a href="lthread_list.php?webtag=DEFAULT">Messages</a></li> <li><a href="lpm.php?webtag=DEFAULT">Inbox</a></li> <li><a href="lsearch.php?webtag=DEFAULT">Search</a></li> <li><a href="llogon.php?webtag=DEFAULT">Login</a></li> </ul> </div> <div class="menu navigation"><a href="lmessages.php?webtag=DEFAULT&msg=40898.1">1–10</a>…<a href="lmessages.php?webtag=DEFAULT&msg=40898.441">441–450</a><a href="lmessages.php?webtag=DEFAULT&msg=40898.451">451–460</a><a href="lmessages.php?webtag=DEFAULT&msg=40898.461">461–470</a><a href="lmessages.php?webtag=DEFAULT&msg=40898.471">471–480</a>…<a href="lmessages.php?webtag=DEFAULT&msg=40898.541">541–542</a></div> <div id="page_content"> <h3 class="thread_title"><a href="index.php?webtag=DEFAULT&amp;msg=40898.468">Arduino</a> </h3> <div id="messages" data-navigation="40898_468_542_10"> <a name="a40898_468"></a><div class="message" id="message_40898_468"> <div class="message_header"> <div class="message_from"> From: Chris (CHRISSS)<span class="message_time"> 1 Dec 2015 08:01</span> <div class="clearer"></div> </div><div class="message_to">To: koswix <span><span class="image post_read" title="Read: 1 Dec 2015 08:49"></span></span> <span class="message_count">468 of 542</span><div class="clearer"></div> </div> </div> <div class="message_links"> <a href="lmessages.php?webtag=DEFAULT&msg=40898.468">40898.468</a> In reply to <a href="lmessages.php?webtag=DEFAULT&msg=40898.467">40898.467</a></div> <div class="message_body"> Yes they do suck (NJ). Maybe I should donate my temperature sensors to charity when I received them.<br /> <br /> I heard a statistic on More or Less. I can't remember exactly what it was, something to do with if you work minimum wage in this country you're in the top 90% of pay in the world.</div> <div class="message_footer"> <div class="message_footer_links"><a href="lpost.php?webtag=DEFAULT&reply_to=40898.468&return_msg=40898.468" class="reply"><span class="image post"></span>Reply</a></div> <div class="message_vote_form" data-msg="40898.468"> <span class="rating">0/0</span> <span class="image vote vote_down vote_down_off" title="Vote Down"></span> <span class="image vote vote_up vote_up_off" title="Vote Up"></span> </div> </div> </div><a name="a40898_469"></a><div class="message" id="message_40898_469"> <div class="message_header"> <div class="message_from"> From: koswix<span class="message_time"> 1 Dec 2015 08:50</span> <div class="clearer"></div> </div><div class="message_to">To: Chris (CHRISSS) <span><span class="image post_read" title="Read: 1 Dec 2015 08:51"></span></span> <span class="message_count">469 of 542</span><div class="clearer"></div> </div> </div> <div class="message_links"> <a href="lmessages.php?webtag=DEFAULT&msg=40898.469">40898.469</a> In reply to <a href="lmessages.php?webtag=DEFAULT&msg=40898.468#a40898_468" target="_self">40898.468</a></div> <div class="message_body"> Sounds about right, bloody economics. </div> <div class="message_footer"> <div class="message_footer_links"><a href="lpost.php?webtag=DEFAULT&reply_to=40898.469&return_msg=40898.468" class="reply"><span class="image post"></span>Reply</a></div> <div class="message_vote_form" data-msg="40898.469"> <span class="rating">0/0</span> <span class="image vote vote_down vote_down_off" title="Vote Down"></span> <span class="image vote vote_up vote_up_off" title="Vote Up"></span> </div> </div> </div><a name="a40898_470"></a><div class="message" id="message_40898_470"> <div class="message_header"> <div class="message_from"> From: Ken (SHIELDSIT)<span class="message_time"> 1 Dec 2015 17:14</span> <div class="clearer"></div> </div><div class="message_to">To: ALL<span class="message_count">470 of 542</span><div class="clearer"></div> </div> </div> <div class="message_links"> <a href="lmessages.php?webtag=DEFAULT&msg=40898.470">40898.470</a></div> <div class="message_body"> Here, I did <a href="https://thetechnical.me/cloud/index.php/s/qnvU0eXgdbBPPmy">something</a> for the Rpi & Arduino users!</div> <div class="message_footer"> <div class="message_footer_links"><a href="lpost.php?webtag=DEFAULT&reply_to=40898.470&return_msg=40898.468" class="reply"><span class="image post"></span>Reply</a></div> <div class="message_vote_form" data-msg="40898.470"> <span class="rating">0/0</span> <span class="image vote vote_down vote_down_off" title="Vote Down"></span> <span class="image vote vote_up vote_up_off" title="Vote Up"></span> </div> </div> </div><a name="a40898_471"></a><div class="message" id="message_40898_471"> <div class="message_header"> <div class="message_from"> From: Chris (CHRISSS)<span class="message_time"> 2 Dec 2015 21:53</span> <div class="clearer"></div> </div><div class="message_to">To: ALL<span class="message_count">471 of 542</span><div class="clearer"></div> </div> </div> <div class="message_links"> <a href="lmessages.php?webtag=DEFAULT&msg=40898.471">40898.471</a></div> <div class="message_body"> Before I properly design my PCB I'm going to try and make a unit that works with a 18650 rechargeable lithium ion battery instead of AAs. I should be able to rip some out of an old laptop battery if they still work.<br /> <br /> I haven't got many 3.3V boost thingies (needed for the temp sensor) for my current setup and they're not that cheap. Should be cheaper to use a zener diode/something else to drop the 4.2V for the RF24 radio.</div> <div class="message_footer"> <div class="message_footer_links"><a href="lpost.php?webtag=DEFAULT&reply_to=40898.471&return_msg=40898.468" class="reply"><span class="image post"></span>Reply</a></div> <div class="message_vote_form" data-msg="40898.471"> <span class="rating">0/0</span> <span class="image vote vote_down vote_down_off" title="Vote Down"></span> <span class="image vote vote_up vote_up_off" title="Vote Up"></span> </div> </div> </div><a name="a40898_472"></a><div class="message" id="message_40898_472"> <div class="message_header"> <div class="message_from"> From: Chris (CHRISSS)<span class="message_time"> 2 Dec 2015 21:57</span> <div class="clearer"></div> </div><div class="message_to">To: ALL<span class="message_count">472 of 542</span><div class="clearer"></div> </div> </div> <div class="message_links"> <a href="lmessages.php?webtag=DEFAULT&msg=40898.472">40898.472</a></div> <div class="message_body"> 12 of them in this battery <span class="emoticon e_shock" title=":O"><span class="e__">:O</span></span> I hope they work still.</div> <div class="message_footer"> <div class="message_footer_links"><a href="lpost.php?webtag=DEFAULT&reply_to=40898.472&return_msg=40898.468" class="reply"><span class="image post"></span>Reply</a></div> <div class="message_vote_form" data-msg="40898.472"> <span class="rating">0/0</span> <span class="image vote vote_down vote_down_off" title="Vote Down"></span> <span class="image vote vote_up vote_up_off" title="Vote Up"></span> </div> </div> </div><a name="a40898_473"></a><div class="message" id="message_40898_473"> <div class="message_header"> <div class="message_from"> From: Chris (CHRISSS)<span class="message_time"> 2 Dec 2015 22:00</span> <div class="clearer"></div> </div><div class="message_to">To: ALL<span class="message_count">473 of 542</span><div class="clearer"></div> </div> </div> <div class="message_links"> <a href="lmessages.php?webtag=DEFAULT&msg=40898.473">40898.473</a></div> <div class="message_body"> And assuming they're genuine they're all Panasonic ones so should be decent quality.</div> <div class="message_footer"> <div class="message_footer_links"><a href="lpost.php?webtag=DEFAULT&reply_to=40898.473&return_msg=40898.468" class="reply"><span class="image post"></span>Reply</a></div> <div class="message_vote_form" data-msg="40898.473"> <span class="rating">0/0</span> <span class="image vote vote_down vote_down_off" title="Vote Down"></span> <span class="image vote vote_up vote_up_off" title="Vote Up"></span> </div> </div> </div><a name="a40898_474"></a><div class="message" id="message_40898_474"> <div class="message_header"> <div class="message_from"> From: Chris (CHRISSS)<span class="message_time"> 7 Dec 2015 23:49</span> <div class="clearer"></div> </div><div class="message_to">To: ALL<span class="message_count">474 of 542</span><div class="clearer"></div> </div> </div> <div class="message_links"> <a href="lmessages.php?webtag=DEFAULT&msg=40898.474">40898.474</a></div> <div class="message_body"> Surprisingly that worked. With a normal diode, not a zener. Used the forward voltage of the diode to drop the Li-Ion voltage down to the voltage the radio works at. No voltage regulators needed now, and the DS18B20 temp sensor will work at all the voltages. I'll just have to be careful not to short circuit anything and blow up any batteries.</div> <div class="message_footer"> <div class="message_footer_links"><a href="lpost.php?webtag=DEFAULT&reply_to=40898.474&return_msg=40898.468" class="reply"><span class="image post"></span>Reply</a></div> <div class="message_vote_form" data-msg="40898.474"> <span class="rating">0/0</span> <span class="image vote vote_down vote_down_off" title="Vote Down"></span> <span class="image vote vote_up vote_up_off" title="Vote Up"></span> </div> </div> </div><a name="a40898_475"></a><div class="message" id="message_40898_475"> <div class="message_header"> <div class="message_from"> From: ANT_THOMAS<span class="message_time"> 8 Dec 2015 10:02</span> <div class="clearer"></div> </div><div class="message_to">To: Chris (CHRISSS) <span><span class="image post_read" title="Read: 8 Dec 2015 10:04"></span></span> <span class="message_count">475 of 542</span><div class="clearer"></div> </div> </div> <div class="message_links"> <a href="lmessages.php?webtag=DEFAULT&msg=40898.475">40898.475</a> In reply to <a href="lmessages.php?webtag=DEFAULT&msg=40898.468#a40898_474" target="_self">40898.474</a></div> <div class="message_body"> Do you need to be careful with Li-Ion batteries not discharging fully?</div> <div class="message_footer"> <div class="message_footer_links"><a href="lpost.php?webtag=DEFAULT&reply_to=40898.475&return_msg=40898.468" class="reply"><span class="image post"></span>Reply</a></div> <div class="message_vote_form" data-msg="40898.475"> <span class="rating">0/0</span> <span class="image vote vote_down vote_down_off" title="Vote Down"></span> <span class="image vote vote_up vote_up_off" title="Vote Up"></span> </div> </div> </div><a name="a40898_476"></a><div class="message" id="message_40898_476"> <div class="message_header"> <div class="message_from"> From: Chris (CHRISSS)<span class="message_time"> 8 Dec 2015 10:36</span> <div class="clearer"></div> </div><div class="message_to">To: ANT_THOMAS <span><span class="image post_read" title="Read: 8 Dec 2015 10:38"></span></span> <span class="message_count">476 of 542</span><div class="clearer"></div> </div> </div> <div class="message_links"> <a href="lmessages.php?webtag=DEFAULT&msg=40898.476">40898.476</a> In reply to <a href="lmessages.php?webtag=DEFAULT&msg=40898.468#a40898_475" target="_self">40898.475</a></div> <div class="message_body"> Yes, looks like it. Just looking it up and they shouldn't be discharged to under 2.4V. All the cells in the laptop battery are 2.2-2.3V so maybe I shouldn't be using them. The one I charged didn't explode though.</div> <div class="message_footer"> <div class="message_footer_links"><a href="lpost.php?webtag=DEFAULT&reply_to=40898.476&return_msg=40898.468" class="reply"><span class="image post"></span>Reply</a></div> <div class="message_vote_form" data-msg="40898.476"> <span class="rating">0/0</span> <span class="image vote vote_down vote_down_off" title="Vote Down"></span> <span class="image vote vote_up vote_up_off" title="Vote Up"></span> </div> </div> </div><a name="a40898_477"></a><div class="message" id="message_40898_477"> <div class="message_header"> <div class="message_from"> From: ANT_THOMAS<span class="message_time"> 8 Dec 2015 10:39</span> <div class="clearer"></div> </div><div class="message_to">To: Chris (CHRISSS) <span><span class="image post_read" title="Read: 8 Dec 2015 10:43"></span></span> <span class="message_count">477 of 542</span><div class="clearer"></div> </div> </div> <div class="message_links"> <a href="lmessages.php?webtag=DEFAULT&msg=40898.477">40898.477</a> In reply to <a href="lmessages.php?webtag=DEFAULT&msg=40898.468#a40898_476" target="_self">40898.476</a></div> <div class="message_body"> Do you have a 18650 battery charger?</div> <div class="message_footer"> <div class="message_footer_links"><a href="lpost.php?webtag=DEFAULT&reply_to=40898.477&return_msg=40898.468" class="reply"><span class="image post"></span>Reply</a></div> <div class="message_vote_form" data-msg="40898.477"> <span class="rating">0/0</span> <span class="image vote vote_down vote_down_off" title="Vote Down"></span> <span class="image vote vote_up vote_up_off" title="Vote Up"></span> </div> </div> </div></div> <div class="message_page_footer"> <ul> <li class="right_col"><form accept-charset="utf-8" method="get" action="lmessages.php" target="_self"><input type="hidden" name="webtag" id="webtag" class="bhinputtext" value="DEFAULT" dir="ltr" /><input type="hidden" name="msg" id="msg" class="bhinputtext" value="40898.478" dir="ltr" /><input type="submit" name="submit" id="keep_reading" value="Keep reading…" class="button" /></form></li> </ul> </div> </div> </body>