Operational amplifier module, which is based on the LM358 chip. Provides an impressive x100 gain. There is a LED indicating power supply on board. Technical data LM358 operational amplifier gain 100 10k potentiometer LED indicating power input and output on goldpin header connector supply voltage: 5V-12V module dimensions: 32.7mm x 13.3mm https://elecena.pl/product/22616751/lm358-operational-amplifier-module-100x-gain 2023-02-22 https://elecena.pl/product/22616751/lm358-operational-amplifier-module-100x-gain 2023-06-09 https://elecena.pl/product/22616751/lm358-operational-amplifier-module-100x-gain 2025-10-25 https://elecena.pl/product/22616751/lm358-operational-amplifier-module-100x-gain 2025-10-29