New Products 6/5/24 Featuring Adafruit CH9328 UART to HID Keyboard Breakout

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NEW PRODUCTS THIS WEEK


Seeed Studio Round Touchscreen Display for Xiao / QT Py: Seeed Studio Round Display for XIAO is an expansion board compatible with all XIAO development boards. It features a fully covered touch screen on one side, designed as a 39mm disc. It contains an onboard RTC holder, charge chip, and MicroSD card slot within its compact size, perfect for interactive displays in smart homes, wearables, and more.

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Adafruit Switchable USB Type A to C Breakout Board: We don’t quite know what to call this doohicky – some folks refer to it as a USB Condom but that’s specifically for when the data lines on a USB port are disabled so that a device charges without data access. This board is a little more advanced: you can manually switch each of the 4 wires on or off for a variety of uses.

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Adafruit CH9328 UART to HID Keyboard Breakout: We love using chips with ‘native USB’ peripherals – that’s the magic silicon that lets a microcontroller act like an HID keyboard or mouse or disk drive or MIDI synth. It’s a standard addition on SAMD21, RP2040, and even the latest ESP32-S2 and ESP32-S3 boards. But what about when you have a classic ATmega328 Uno? or an original ESP32 or ESP8266? Maybe even a single-board computer like a Raspberry Pi? We would say “sorry…that’s not possible” UNTIL NOW!

The CH9328 is a funky chip that is basically a programmed microcontroller that enumerates as an every-day HID keyboard and can convert ASCII or 8-byte raw reports, read over a standard serial port UART, into keypresses. So, you can emulate a keyboard even if your chip doesn’t have native USB! You do need a hardware or software serial port: some way to generate 9600 baud 3V-logic signal that the CH9328 can read.

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New Products 6/5/2024

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