SG-Shield OEM amplifier board 1 channel
SIMATIC IoT2000
https://vtnm.vn/shop/6es7647-0ka01-0aa2-simatic-iot2000-32853
https://vtnm.vn/web/image/product.template/32853/image_1920?unique=3a21992
SIMATIC IoT2000 input/output module, 5x DI 2x AI 2x DQ, ARDUINO Shield for SIMATIC IoT2040 and IoT2050