RZUJBN_AAA
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Cablu USB-USB C 2m negru 10,41 lei | ||
Power supply adapter 9V 1A 8,84 lei | ||
Arduino male power connector 5.5x2.1 1,29 lei | ||
Cablu SH-4P I2C 3V3 compatibil QWIIC/STEMMA 2,15 lei |
GroundStudio products are designed and assembled in Romania under Open Hardware, using high-quality components. |
Pinout | Schematic and Layout |
The GroundStudio Jade U1 development board is an improved version of the classic U1 board, equipped with a USB Type-C adapter (upgraded from USB Type B). It uses the HT42B534-2 chip for USB 2.0 to Serial (UART) conversion and includes a 3V3 I2C adapter for quick I2C connections to compatible devices without requiring a separate 5V to 3.3V level converter.
The Jade U1 development board is compatible with sensors and other modules operating at 5V. It can also be used with modules operating at 3V3 only through the I²C 3V3 adapter.
For UART communication with devices using 3.3V logic levels, a separate logic level converter module is required.
The RESET button's position has been improved, placed on the side so it can be used even when combined with a shield.
The board also integrates a I²C 3V3 connector compatible with STEMMA QT and Qwiic connectors for easier connectivity with a wide range of sensors and modules.
Additionally, the board includes pins for specialized functions such as:
Microcontroller: ATmega328p with UNO bootloader
USB-Serial Converter: HT42B534-2
Voltage Regulator: AMS1117-5V and AMS1117-3.3V
Supply Voltage [Vin]: 7V - 12V
Digital I/O Pins: 16 (6 of which are PWM output (~3, ~5, ~6, ~9, ~10, ~11))
Analog Input Pins: 4
USB Adapter: USB 2.0 Type-C
I2C_3V3 Adapter (SH type with 1mm pitch)
Maximum DC Current per I/O Pin: 20mA
Maximum 5V/3V3 Current: 500mA
FLASH Memory: 32kB
EEPROM: 1kB
SRAM: 2kB
Frequency: 16MHz
Approx. PCB Dimensions: 68.6mm x 53.4mm
* Compatible with R3 shields (Pins A4 and A5 are directly connected to the 3V3 I2C logic converter with pullups enabled, which may cause incompatibility with some shields.)
* No additional driver installation required on any updated operating system (unlike other modules on the market like CH340, FTDI, etc.).
* For Windows 7, 8, or 8.1, drivers can be found in the Downloads section.
* Pins A4 and A5 are directly connected to the 3V3 I2C logic converter with pullups enabled, which may cause incompatibility with some shields.
To complete this example, you will need the following:
1x Jade U1 Development Board || Reference RZUJBN_AAA
Before connecting the board, download Arduino IDE 1.8.x from the link above, based on your preferences and operating system.
After the initial connection via USB-C cable, the computer will attempt to find a compatible driver. In this case, it will directly connect to Windows using the HT42B534-2 chip as its drivers will automatically install.
To select the board, go to the "Tools" menu, then click the board button and ensure Arduino Uno is selected.
Next, tell the Arduino IDE which serial port on your computer the Jade U1 is connected to. To do this, go back to "Tools," hover over Serial Port, and select the COM port for Jade U1.
If multiple ports are available and you're unsure which one is Jade U1, disconnect it for a moment and check the menu to see which one disappears.
After selecting the COM port and Board, you can upload the Blink code from the menu File -> Examples -> 01.Basics -> Blink.
1x GroundStudio Jade U1 Development Board
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