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Combined display of all available logs of Open Source Ecology. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 20:30, 11 November 2025 Per talk contribs created page Lithium-ion Battery Pack v25.11 Requirements + Value Proposition (Created page with "== Requirements == These requirements use "shall" for mandatory/must-have requirements and "should" for recommended/nice-to-have requirements. The battery pack shall have a nominal voltage of ~18V. The battery pack shall have a capacity of 2500 mAh or more. The battery pack shall be rechargeable. The battery pack shall use a Lithium-ion chemistry. * Should use Li-ion,LiFePO4, NMC or equivalent * Shall NOT use LiPo(RC lipo) , since this chemistry needs more careful h...")
• 21:48, 10 November 2025 Per talk contribs created page Lithium-ion Battery Pack v25.11 (Created page with "{{dev+|1=Lithium-ion_Battery_Pack_v25.11}}")
• 20:19, 26 October 2025 Per talk contribs created page Per Log (Created page with "== Sun Oct 26, 2025 == Hello world. Looked at https://wiki.opensourceecology.org/wiki/Cordless Drill Construction Set and youtube videos about the Open Source Blueberries. === Drill Notes === Seems like a good project for me to learn about power electronics, CAD and get started with prototyping. I have a Ryobi RCD1802 that I will use as inspiration and benchmark. Costs roughly $150 here in Norway including battery and a bag. ==== Battery pack ==== * Ryobi battery i...")