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CircuitGizmos

CircuitGizmos provides products for sale that are designed and produced by the creative minds at CircuitGizmos, USBmicro, Amber Waves Electronics, and other fun sources of clever engineering.

Here you can purchase the USBmicro U401 and U421 USB interface that has support for SPI, LCD, 1-wire, stepper motor control, input, and output.

CircuitGizmos sells the Color Maximite 2 Computer in the form of the CG RetroMax. The Maximite runs BASIC and supports a display on VGA. A keyboard can interface to the Maximite as well as I2C, SPI, and serial devices.

The Sensor.Engine:Micro is a great way to augment a solderless breadboard and interface to things like the small boards in the 37 sensor kits. This is an easily programmed STEM controller.

CircuitGizmos also sells the unique USBPIR USB motion detection module and home automation and security software made to work with these devices.

USB to 3.3V serial interface with PIC32 programming capability
+3

USB to 3.3V serial interface with PIC32 programming capability

CGUSBSERPRG1
$11.99 (USDollar)
In stock
1
Product Details

The CGUSBSERPRG1 is a reliable USB-to-serial (3.3V signal level UART) project interface board. The board has Tx and Rx connections for serial interfacing to boards such as the CGMICROKIT.

This board, combined with PIC32prog, can also be used to update the PIC32 firmware in the CGMICROKIT or CGMICROBOARD2.

The CGUSBSERPRG1 automatically switches to the speed that is set in the terminal emulator on the PC. Valid speeds are: 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 76800, 115200, 230400.

USB/UART mode:

When first powered up, the CG1455 is in USB/UART mode and acts as a simple USB to 5.0/3.3V UART interface.To enter PIC32 programmer mode, press the program select switch briefly, the LED will light.
Pressing the program select switch for greater than 2 seconds will reset the microcontroller on the programming interface but not enter programmer mode. The LED will flash briefly after 2 seconds to indicate success. A "break" command sent from the terminal emulator can also be used to restart the microcontroller on the programming interface (Alt+B in Teraterm).

Programmer mode:
Pressing the program select switch for greater than 2 seconds will exit programmer mode (to go back to USB/UART mode). The LED will go out after 2 seconds to indicate success and when the switch is released the microcontroller on the programming interface will be reset and will switch back to USB/UART mode

Open a command window and use the command line:

pic32prog -d ascii:comxxx nnnn.hex

where comxxx is the com port that has appeared when the USB cable was connected and nnnn.hex is the firmware you wish to program into the PIC32.



The attached show a typical programming session:



Once the PIC32 is programmed the CGUSBSERPRG1 will automatically revert to USB/UART mode.

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Electronic Products for Creative Minds

CircuitGizmos is your source for electronic products that help you create your embedded projects. Here at CircuitGizmos.com you will find a friendly store filled with creative products and all of the documentation that you need to use these gizmos.

We create devices that we believe make electronics fun, but we also know that our products are used for professional designs. For decades we have designed products for commercial, military, and medical industries. Our gizmos here are great for engineers and hobbyists alike.

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