Operation Amplifier Module lm358 OP-AMP module Main Features: On-board LM358 chip 100 times gain circuit design On-board 10k adjustable resistance, adjustable magnification On-board power indicator light The main pin are educed, can directly input and output signals Working voltage: 5V -12V نعتذر الشراء من الموقع متوقف مؤقتا We apologize : purchasing from our website is temporarily stopped
