Pmod Advent Calendar – Day 25

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Welcome to Day 25 of the Pmod Advent Calendar! Today’s featured Pmod is the Pmod ACL 3-axis accelerometer! Receive 30% off at the Digilent store today only!

DAY 25

The Pmod ACL is a 3-axis digital accelerometer module that provides input to a system board. Communication via SPI or I2C with the on-board Analog Devices ADXL345 allows the user to access up to 13 bits of acceleration data, indicating the Pmod’s angle of orientation.

Features

  • 3-axis, ±2/4/8/16g accelerometer
  • User-selectable resolution
  • Activity/inactivity monitoring
  • Single/double-tap and free-fall detection
  • Small PCB size for flexible designs 1.0 in × 0.8 in (2.5 cm × 2.0 cm)
  • 12-pin Pmod connector with SPI interface and 2×4-pin I²C interface
  • Follows Digilent Pmod Interface Specification Type 2A
  • Library and example code available in resource center

Check the Pmod ACL resource center for more detailed information about the use of this module!

DAY 24

The Pmod I2S utilizes a Cirrus Logic CS4344 Stereo D/A converter to take digital audio data and output the corresponding analog signal through a standard stereo headphone jack. It is designed to work at standard audio rates, although the master clock can run anywhere from 512 kHz to 50 MHz.

Check the Pmod I2S resource center for more detailed information about the use of this module!

DAY 23

The Pmod CLP is a 16×2 character LCD module that uses a Samsung KS0066 LCD controller. Users provide 8 bits of data in parallel to display a variety of characters on the screen.

Check the Pmod CLP resource center for more detailed information about the use of this module!

DAY 22

Check the Pmod BB resource center for more detailed information about the use of this module!

DAY 21

The Digilent Pmod 8LD has eight high-brightness LEDs that are driven by logic level transistors so that each LED can be individually illuminated from a logic high signal.

Check the Pmod 8LD resource center for more detailed information about the use of this module!

DAY 20

The Pmod MIC3 is a MEMS Microphone powered by the Knowles Acoustics SPA2410LR5H-B and the Texas Instruments ADCS7476. Users may adjust the incoming volume to the system board with the small potentiometer before they receive the 12 bits of data through SPI.

Check the Pmod MIC3 resource center for more detailed information about the use of this module!

DAY 19

The Pmod AD2 is an analog-to-digital converter powered by the Analog Devices AD7991. Users may communicate with the board through I2C to configure up to 4 conversion channels at 12 bits of resolution.

Check the Pmod AD2 resource center for more detailed information about the use of this module!

DAY 18

The Digilent Pmod LVLSHFT is a digital logic level shifter. This module is ideal for users who want to supply logic signals following a 3.3V CMOS standard but have an alternate logic level output that is used for other applications, such as JTAG programming.

Check the Pmod LVLSHFT resource center for more detailed information about the use of this module!

DAY 17

The Pmod OLED is 128×32 pixel monochrome organic LED (OLED) panel powered by the Solomon Systech SSD1306. Users can display any sort of graphical design by programming the device through SPI as well as sending bitmap images.

Check the Pmod OLED resource center for more detailed information about the use of this module!

DAY 16

The Pmod ACL2 is a 3-axis MEMS accelerometer powered by the Analog Devices ADXL362. By communicating with the chip via the SPI protocol, users may receive up to 12 bits of resolution for each axis of acceleration. Additionally, this module offers freefall detection as well as power saving features through its motion activated sleep and wake modes.

Check the Pmod ACL2 resource center for more detailed information about the use of this module!

DAY 15

The Pmod GPS can provide satellite positioning accuracy to any embedded system. By communicating through UART with the GlobalTop FGPMMOPA6H GPS antenna, users may benefit from the 3 meter accuracy for any long term traveling.

Check the Pmod GPS resource center for more detailed information about the use of this module!

DAY 14

The Pmod TPH2 offers 12 external pin headers so that users can easily test the GPIO signals passing through each of the pins.

Check the Pmod RSTPH2 resource center for more detailed information about the use of this module!

DAY 13

The Pmod RS485 is a high-speed communication module powered by the Analog Devices ADM582E. By communicating with the device via UART, users can take advantage of the RS485 communication protocol with speeds up to 16 Mbps.

Check the Pmod RS485 resource center for more detailed information about the use of this module!

DAY 12

The Pmod USBUART provides a USB to UART cross-conversion through the FTDI FT232RQ. Users may send data in either direction on the Pmod and receive the converted data in the appropriate format.

Check the Pmod USBUART resource center for more detailed information about the use of this module!

DAY 11

The Pmod WiFi provides WiFi access through the Microchip® MRF24WG0MA Wi-Fi™ radio transceiver module. Users can communicate with the IEEE 802.11g compliant chip through SPI and achieve data rates up to 54 Mbps.

Check the Pmod WiFi resource center for more detailed information about the use of this module!

DAY 10

The Pmod GYRO is a 3-axis gyroscope powered by the STMicroelectronics L3G4200D. By communicating with the chip through SPI or I2C, users may configure the module to report angular momentum at a resolution of up to 2000 dps at an output rate up to 800Hz.

Check the Pmod GYRO resource center for more detailed information about the use of this module!

DAY 9

The Pmod OLEDrgb features a 96 x 64 pixel RGB OLED display that is capable of 16-bit color resolution. As a graphical display, users may show off graphs, full-color pictures, text, and anything else they want to see by communicating with it through a standard SPI interface.

Check the Pmod OLEDrgb resource center for more detailed information about the use of this module!

DAY 8 

The Digilent Pmod ALS demonstrates light-to-digital sensing through a single ambient light sensor. Digilent Engineers designed this Pmod around Texas Instrument’s ADC081S021 analog-to-digital converter and Vishay Semiconductor’s TEMT6000X01.

Check the Pmod ALS resource center for more detailed information about the use of this module!

DAY 7

The Pmod AD5 is an analog-to-digital converter that utilizes a fourth order sigma-delta modulator, a programmable gain array, and on-chip digital filtering, all powered by the Analog Devices AD7193. With 24 bits of resolution on up to 8 different analog input channels, users may read the highly accurate voltage measurements with an rms noise as low as 11 nV through SPI.

Check the Pmod AD5 resource center for more detailed information about the use of this module!

DAY 6

pmod-ssd-top

The Pmod SSD is a two-digit seven-segment display. Through GPIO signals, users can achieve persistence of vision by toggling each segment at a rate of 50 Hz or greater.

Check the Pmod SSD resource center for more detailed information about the use of this module!

DAY 5

pmod-rtcc-top

The Pmod RTCC is a real-time clock/calendar powered by the Microchip® MCP79410. Through the I2C interface, users may configure up to two alarms that can be triggered at a wide variety of possible times.

Check the Pmod RTCC resource center for more detailed information about the use of this module!

DAY 4

pmod_rs232_top

The Digilent Pmod RS232 converts between digital logic voltage levels to RS232 voltage levels. The RS232 module is configured as a data communications equipment (DCE) device. It connects to data terminal equipment (DTE) devices, such as the serial port on a PC, using a straight-through cable.

Check the Pmod RS232 resource center for more detailed information about the use of this module!

DAY 3

pmod-kypd-top

The Pmod KYPD is a 16-button keypad arranged in a hexidecimal format (0-F). By digitally driving a column line to a logic low level and digitally reading each of the rows, users can determine which button is currently pressed.

Check the Pmod KYPD resource center for more detailed information about the use of this module!

DAY 2

pmod-ad1-top

The Digilent Pmod AD1 is a two channel, 12-bit analog-to-digital converter that features Analog Devices AD7476A. With a sampling rate of up to 1 million samples per second, this Pmod is capable of excelling in even the most demanding audio applications.

Check the Pmod AD1 resource center for more detailed information about the use of this module!

DAY 1

pmod-maxsonar-2

The Pmod MAXSONAR is a single-transducer ultrasonic range finder that uses the MaxBotix® LV-MaxSonar®-EZ1™. Users can measure how far away an object is with an accuracy within 1 inch to over 20 feet away. Information is sent in a variety of ways including UART, PWM, and analog signals.

Check the Pmod MAXSONAR resource center for more detailed information about the use of this module!

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