Sep. 29th to Oct. 6th is Chinese National Day Holiday. Products and PCBA orders during this period will be scheduled for shipment starting Oct. 7th.
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This is a Crowtail base shield for Raspberry Pi with UART/I2C/Analog/Digital interface. All the Crowtail modules can be plugged onto Raspberry Pi through this base shield. Moreover, this shield has an on-board ADC chip so that analog output modules can be used on Raspberry Pi. The ADC chip used is MCP3008. It talks to Raspberry Pi using SPI interface.