{"action":"opened","issue":{"url":"https://api.github.com/repos/DynamicDevices/mitems/issues/3","repository_url":"https://api.github.com/repos/DynamicDevices/mitems","labels_url":"https://api.github.com/repos/DynamicDevices/mitems/issues/3/labels{/name}","comments_url":"https://api.github.com/repos/DynamicDevices/mitems/issues/3/comments","events_url":"https://api.github.com/repos/DynamicDevices/mitems/issues/3/events","html_url":"https://github.com/DynamicDevices/mitems/issues/3","id":394607550,"node_id":"MDU6SXNzdWUzOTQ2MDc1NTA=","number":3,"title":"Powering issues and estimations","user":{"login":"goatchurchprime","id":677254,"node_id":"MDQ6VXNlcjY3NzI1NA==","avatar_url":"https://avatars2.githubusercontent.com/u/677254?v=4","gravatar_id":"","url":"https://api.github.com/users/goatchurchprime","html_url":"https://github.com/goatchurchprime","followers_url":"https://api.github.com/users/goatchurchprime/followers","following_url":"https://api.github.com/users/goatchurchprime/following{/other_user}","gists_url":"https://api.github.com/users/goatchurchprime/gists{/gist_id}","starred_url":"https://api.github.com/users/goatchurchprime/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/goatchurchprime/subscriptions","organizations_url":"https://api.github.com/users/goatchurchprime/orgs","repos_url":"https://api.github.com/users/goatchurchprime/repos","events_url":"https://api.github.com/users/goatchurchprime/events{/privacy}","received_events_url":"https://api.github.com/users/goatchurchprime/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-12-28T10:44:42Z","updated_at":"2018-12-28T10:44:42Z","closed_at":null,"author_association":"NONE","body":"Aiming for a 150mAh battery, which gives 3hrs of operation at high power, but 2 years at 10 microAmps. Does the battery control circuit become significant then?\r\n\r\nWhat wiring pins should it take to get past the regulators?\r\n\r\nHow do we recharge the battery?   (when the microUSB is not accessible)\r\n\r\nHow does the device measure its battery use?\r\n\r\nA final board would have its battery regulator on the board, connected to a bare lipo, and this may have the information on battery use known to it.  \r\n\r\nIn the meantime, the device should estimate its cycle time and up time in order to calibrate its battery use.  A fast frequent cycle that runs it down in less than a day should get estimates pretty quickly.  \r\n\r\nWe should have a mode that operates on a frequent wakeup cycle (of long durations) to be able to make estimation experiments automatically and pretty quickly in order to know the variability (a) per battery, (b) per microcontroller board, (c) at different temperatures, (d) after storage.\r\n"}}
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