Miceuz designed 2 open source single sided boards for Li Ion battery chargers. He used the MAX1555 and MCP73831 ICs as the charging controller, power is provided through USB. We especially like his battery holder rig. For a long time I wanted to enter the 21st century by stopping using NiCad or NiMH batteries and […]
This is a tiny, easy to make USB Lithium-Polymer battery charger. It’s based on the MAX1555 charger IC.