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This unit slots directly onto your wemos D1 mini, the pins match the Wemos with no extra wiring or connections required. WEMOS D1 MINI OLED SHIELD. Wemos D1 mini. Interface: IIC(I2C). 11 digital IO, interrupt / PWM/ I2C /one-wire supported (except D0).
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.