关键词: low powered op amps, quad op amps, rail-to-rail inputs, rail-to-rail outputs, rail-to-rail op amps, opamp
Abstract: In its simplest form, the PC voltmeter consists of a 4-channel, 10-bit A/D converter (IC2) with a few passive components, connected to the PC printer port via a 25-pin male D-type connector.
Circuit Enables PC-Based Voltage Measurements.pdf 
STM32
MCU
通讯及无线技术
物联网技术
电子DIY
板卡试用
基础知识
软件与操作系统
我爱生活
小e食堂