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Onboard STM32F103C8T6 master chip. Accuracy, while the onboard USB to serial port chip can transfer data to the host computer. Reserved UART serial communication interface, can be connected to MCU. On-board CH340 serial port to USB chip, easy to view AD sampling results on PC through USB port.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.