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Adafruit CH9328 UART to HID Keyboard Breakout

ADA5973 · AdafruitActive

Adafruit CH9328 UART to HID Keyboard Breakout photo
Adafruit CH9328 UART to HID Keyboard Breakout illustration

Adafruit product #5973 — built on CH9328. Interfaces: UART.

Part numberADA5973
ManufacturerAdafruit
CategoryUser Input & Controls › Buttons & Keypads
Pins4

Adafruit CH9328 UART to HID Keyboard Breakout pinout

PinNameTypeDescription
1VCCpower
2GNDground
3RXbidirectional
4!RSTbidirectional

Schematic symbol and footprint

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Footprint: Adafruit CH9328 UART to HID Keyboard Breakout (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

Datasheet

Where to buy

SupplierStockPriceStatus
Mouser7$6.95 (1+)View
DigiKey43$6.95 (1+)ActiveView

Stock and prices from the suppliers, checked 2026-10-08; excluding tax and shipping.

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