http://openloopengineer.com/openloopblog daily 1.0 2024-04-19 https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1383799699817-6PZDVBGHJ8GMYULRDGKC/IMG_3848.jpg OpenLoopBlog http://openloopengineer.com/openloopblog/2024/4/19/nest-thermostat-y1-wire-error-e103 monthly 0.5 2024-04-19 https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/0c9d7ccd-d330-4a86-91cb-9170716d5a8b/wires.jpg OpenLoopBlog - Nest Thermostat y1 wire error e103 - Make it stand out Wires used on my HVAC https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/37fd3697-852c-4fac-8621-c0ab79595866/old.jpg OpenLoopBlog - Nest Thermostat y1 wire error e103 - Make it stand out Previous contactor - worked fine manually but NEST thermostat reported over current. https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/5e068991-7d05-4535-98ca-7ee1f98330b7/new.jpg OpenLoopBlog - Nest Thermostat y1 wire error e103 - Make it stand out New thermostat installed - NEST has no issues with it. http://openloopengineer.com/openloopblog/2020/9/8/finally-able-to-program-an-atmel-attiny9-using-the-tpi-protocol-from-avrdude-on-linux monthly 0.5 2020-09-09 https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1599618560613-8B7U0XAAJ8YK8I4RM5HU/avrispmkII+and+ATtiny9.jpg OpenLoopBlog - Finally able to program an Atmel Attiny9 using the TPI protocol from avrdude on Linux http://openloopengineer.com/openloopblog/2019/3/8/portable-common-criteria-test-network monthly 0.5 2019-03-08 https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1552060227776-UCLQ2RLEZICRMP48NTZW/cc-test-network.png OpenLoopBlog - Portable Common Criteria Test Network http://openloopengineer.com/openloopblog/2014/5/9/usa-science-and-engineering-festival-2014 monthly 0.5 2014-05-09 https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1399640465908-LT73F9O81JC06N6XW7O7/DSC_1087.JPG OpenLoopBlog - USA Science and Engineering Festival 2014 https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1399640466256-1UFO0JXVHYFU4FYUQ78Y/DSC_1091.JPG OpenLoopBlog - USA Science and Engineering Festival 2014 https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1399640472543-CMT670QPSDE2XZLEBMRM/DSC_1076.JPG OpenLoopBlog - USA Science and Engineering Festival 2014 https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1399640473308-75MS5KQRGIAI19ODYJW4/DSC_1077.JPG OpenLoopBlog - USA Science and Engineering Festival 2014 https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1399640479489-SLQDT1604U7DJ3YGTUUR/DSC_1078.JPG OpenLoopBlog - USA Science and Engineering Festival 2014 https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1399640479661-SYFTHRNG3HV65OI6ORVQ/DSC_1081.JPG OpenLoopBlog - USA Science and Engineering Festival 2014 https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1399640488600-NLWNH5FDZ3A32I5YDH0U/DSC_1084.JPG OpenLoopBlog - USA Science and Engineering Festival 2014 https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1399640488842-PYAF1JAKWN7OHPZL74NF/DSC_1085.JPG OpenLoopBlog - USA Science and Engineering Festival 2014 http://openloopengineer.com/openloopblog/2013/12/8/learning-from-a-fail monthly 0.5 2014-03-21 https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1386555085953-XHNEHB8FUZCLS36YIU76/unnamed.png OpenLoopBlog - Fail - Trashed the micro trying to tap the EEPROM bus What's wrong with this picture?have http://openloopengineer.com/openloopblog/2013/11/9/adding-bluetooth-the-ms-n350-home-intercommusic-system monthly 0.5 2013-12-28 https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1383977020765-HY2HA9PEDVUV5BDDRTPU/Music+and+Sound+N350.jpg OpenLoopBlog - Adding Bluetooth the M&S N350 Home Intercom/Music System M&S N350 Master Station https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1384031294536-I7FCFBBXM59UEEBFUXP6/rats_nest.jpg OpenLoopBlog - Adding Bluetooth the M&S N350 Home Intercom/Music System Behind the pretty panel https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1384031935024-U7NK7ZX95ZRDT1JAW9XH/IMG_4261.jpg OpenLoopBlog - Adding Bluetooth the M&S N350 Home Intercom/Music System https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1384031939022-O1BUNB3MNA7PG2PFV5F4/IMG_3915.jpg OpenLoopBlog - Adding Bluetooth the M&S N350 Home Intercom/Music System https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1384031947999-ULW87RXFXBO044MS3509/IMG_3919.jpg OpenLoopBlog - Adding Bluetooth the M&S N350 Home Intercom/Music System https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1384032965566-HHUQW3V3X5DX5PMB1EBQ/damage.jpg OpenLoopBlog - Adding Bluetooth the M&S N350 Home Intercom/Music System That's going to be a problem.... https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1384033871077-09LDN37G6PC7I8SCK3EZ/mixing.jpg OpenLoopBlog - Adding Bluetooth the M&S N350 Home Intercom/Music System Experimenting with mixing resistors https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1384035104427-SFW8JPYIBML4JXFX39EP/IMG_4240.jpg OpenLoopBlog - Adding Bluetooth the M&S N350 Home Intercom/Music System https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1388199515398-YMYG29ZVE8CXAHHN8B1D/Bluetooth_PS.jpg OpenLoopBlog - Adding Bluetooth the M&S N350 Home Intercom/Music System M&S 350 Voltage Regulator and Audio Interface for USB Powered Bluetooth Receivers https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1387310705215-3RRHFEP26KBUBKVL1MLR/BT_Power_Proto.JPG OpenLoopBlog - Adding Bluetooth the M&S N350 Home Intercom/Music System https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1387310705624-0M3FFXY5JQN042T4UITQ/IMG_4546.JPG OpenLoopBlog - Adding Bluetooth the M&S N350 Home Intercom/Music System https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1387310706160-5ZW8PXZ1OIM9GQ69T70F/IMG_4548.JPG OpenLoopBlog - Adding Bluetooth the M&S N350 Home Intercom/Music System http://openloopengineer.com/openloopblog/2013/11/6/quick-test-to-find-a-failed-transistor monthly 0.5 2013-12-17 http://openloopengineer.com/openloopblog/kjv1o63uvdnrqx8xhofk2603gtah1y monthly 0.5 2013-05-02 https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1367285076639-XKJNSVGOPW56TFCWN1IR/IMG_2947s.jpg OpenLoopBlog - Why did the solar light stop charging? Solar Tiki Light https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1367285629872-2XLD8EGEJKOH2IS9OH3A/DSC_1263s.JPG OpenLoopBlog - Why did the solar light stop charging? Top side of PCB https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1367285671604-EFXUBMEZM8P9JZM4NREN/DSC_1255s.JPG OpenLoopBlog - Why did the solar light stop charging? Bottom side of PCB https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1367285988909-XGXGKCRBHFL7Y4YJJJZ1/solar_light.jpg OpenLoopBlog - Why did the solar light stop charging? Solar light schematic (note that C3 should be 10UF. The polarities of C3, C1 and C2 look reversed, but reflect how the caps are installed in the PCB) https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1367288804006-RSNYKWESQ7OFJ6KJ4A96/flick7a.gif OpenLoopBlog - Why did the solar light stop charging? Poorly animated GIF showing how the LEDs flicker, https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1367292990160-Y5YSGQSL4V5OTQI5S05U/ledcurrent.jpg OpenLoopBlog - Why did the solar light stop charging? Current flickering through the three LEDs https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1367296195515-JG7PEJFRDIU67WTED4JU/scope.jpg OpenLoopBlog - Why did the solar light stop charging? Scope shot of LED Cathode Voltage https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1367296566674-MCZAQDOKCB97SYGUGU00/D2CathodeVoltage.jpg OpenLoopBlog - Why did the solar light stop charging? Simulation of LED Cathode Voltage http://openloopengineer.com/openloopblog/2013/3/27/published-an-android-app-today monthly 0.5 2013-03-28 https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1364437140268-TDRPIJZ1HBJ5LMCVR1TW/androidapplicationprojectm.jpg OpenLoopBlog - Published an Android App today Create Android Application Project https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1364437179890-W2U36U6YJJZ8RBU9OM6A/androidgraphiclayoutm.jpg OpenLoopBlog - Published an Android App today Eclipse with Android SDK and ADT installed https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1364437231787-SD0J18EW2EHQ4G8HAWMI/androidavdm.jpg OpenLoopBlog - Published an Android App today AVD Pop-up Smart Phone to test with https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1364437301464-MEXABG6OIRYJRU5FK51F/androidhelloavdm.jpg OpenLoopBlog - Published an Android App today AVD Running Hello World with no coding http://openloopengineer.com/openloopblog/category/Software+Development monthly 0.5 http://openloopengineer.com/openloopblog/category/Hardware+debug monthly 0.5 http://openloopengineer.com/openloopblog/tag/app monthly 0.5 http://openloopengineer.com/openloopblog/tag/development monthly 0.5 http://openloopengineer.com/openloopblog/tag/Wireshark monthly 0.5 http://openloopengineer.com/openloopblog/tag/Raspberry+Pi monthly 0.5 http://openloopengineer.com/openloopblog/tag/OCSP+Responder monthly 0.5 http://openloopengineer.com/openloopblog/tag/motivation monthly 0.5 http://openloopengineer.com/openloopblog/tag/testing monthly 0.5 http://openloopengineer.com/openloopblog/tag/Certificate+Authority monthly 0.5 http://openloopengineer.com/openloopblog/tag/SFTP monthly 0.5 http://openloopengineer.com/openloopblog/tag/Common+Criteria monthly 0.5 http://openloopengineer.com/openloopblog/tag/whitenoise monthly 0.5 http://openloopengineer.com/openloopblog/tag/failed monthly 0.5 http://openloopengineer.com/openloopblog/tag/NPN monthly 0.5 http://openloopengineer.com/openloopblog/tag/Android monthly 0.5 http://openloopengineer.com/openloopblog/tag/Syslog+Server monthly 0.5 http://openloopengineer.com/openloopblog/tag/thenewboston.org monthly 0.5 http://openloopengineer.com/openloopblog/tag/PNP monthly 0.5 http://openloopengineer.com/openloopblog/tag/hackaday.com monthly 0.5 http://openloopengineer.com/openloopblog/tag/TLS monthly 0.5 http://openloopengineer.com/openloopblog/tag/tutorial monthly 0.5 http://openloopengineer.com/openloopblog/tag/RADIUS+Server monthly 0.5 http://openloopengineer.com/openloopblog/tag/transistor monthly 0.5 http://openloopengineer.com/home daily 0.75 2013-03-28 https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1364355130652-RK5I84L56G0F0W5GI7R2/stars.png Home https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1364354099505-L37N40PP0KCD730KQ2FU/whitenoiselauncher.png Home Whitenoise Android App https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1364424716396-7IZ7MRG2C2C9W098B9FU/whitenoisedefaultm.png Home Check the White Noise box to start https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1364424863347-RTHJSRN4BDR36QRW3EVN/whitenoisedimm.png Home Move the slider to dim the display http://openloopengineer.com/about daily 0.75 2013-11-07 https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1367281947673-L47TG1WB5CD0NTH233IV/kinnect.JPG About OpenLoopEngineer https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1383791935251-SPWH5V0Z15PG954YDHV0/crater.jpg About OpenLoopEngineer Yeah, that's going to be a problem... http://openloopengineer.com/whitenoise daily 0.75 2013-03-28 https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1364354099505-L37N40PP0KCD730KQ2FU/whitenoiselauncher.png WhiteNoise Whitenoise Android App https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1364424716396-7IZ7MRG2C2C9W098B9FU/whitenoisedefaultm.png WhiteNoise Check the White Noise box to start https://images.squarespace-cdn.com/content/v1/51526115e4b047ba3da55ff0/1364424863347-RTHJSRN4BDR36QRW3EVN/whitenoisedimm.png WhiteNoise Move the slider to dim the display