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This module is created as a hardware extension for the ESP32-DevKitC. 4 Channels, 0-10V( Based on ESP32 Internal12-bit ADC ). +3.3V I2C & SPI. RS485 Interface. Analog Inputs. Digital Inputs. 8 Channels 5A AC/DC Relay. ).
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.