Electronics-Lab.com Blog » USB AA NiMH and NiCd Battery Charger

Electronics-Lab.com Blog » USB AA NiMH and NiCd Battery Charger

瀏覽:1421
日期:2026-04-23
Any USB port can supply 5V at up to 500mA. The USB standard specifies that a device may not use more than 100mA until it has negotiated the right to use 500mA, but apparently no USB ports enforce that requirement. This makes the USB port a convenient ......看更多