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1. GPSDO: A (very poor) GPS Disciplined 1MHz oscillator

• CORDIC: Calculating SIN and COS using only addition and bit shifts
• HDMI header error correction: One of the error checking and correcting codes used in HDMI
• High_performance_FIR: A high performance FIR filter for Spartan 6
• DigitalClock: Working on a design for a digital clock
• STGL5000: Configuring the SGTL5000 low-power audio codec
• Combination Lock: A four-digit combination lock for the Basys-3
• MMCM_reset: Dynamically reconfigure the 7-series MMCM block
• Simple AXI Slave: An AXI slave for Zynq's ARM CPUs
• myStorm Blackice: First project with an Open Source FPGA toolset
• TinyTx: Making a really tiny serial TX
• GigabitTX: Sending data from a 10/100/1000 Ethernet Port
• ArtyEthernet: Sending data on the Digilent Arty's 10/100 Ethernet Port
• Morse: Transmit Morse code with the Arty
• Synchronizer: The right way to synchronize an input signal
• MIC and AMP: Adding a Microphone to the PMODamp3 design
• PMODamp3: Driving an Class D I2S power amp module
• Virtual IO: Using the Vivado Debug Virtual IP
• MPU6050 sensor RTL: Using a Gyro / Acceleration / Attitude sensor directly in RTL
• Single Step: A way to allow switching to a single-step clock in Spartan 6
• XADC Fan PWM: Using the 7-series XADC to control fan speed
• Minimal XADC design: Reading an input from the on-FPGA ADX on the Basys3
• Better rotary encoder input: My early attempt at quadrature decoding wasn't that good
• Genesys2 Mandelbrot: Port of the Artix-7 Fractal viewer to the Kintex-7 on the Genesys2
• DisplayPort: A DisplayPort interface
• HDMI Capture: Capturing HDMI data and sending it to the serial port
• HDMI Processing: HDMI Video and Audio extraction on an Artix 7 board
• EDID ROM: An basic EDID for a video project
• SERDES symbol locking: How to find a working bitslip / input delay setting for 7-series ISERDES
• Artix 7 1080p passthrough: Passing HDMI signals through the Nexys Video
• Square root: Calculating the integer square root of a number
• Artix 7 1080p: Seeing if the Artix-7 can generate 1080p, with a little over-clocking
• Mandelbrot NG 1080i: A full-HD on the fly Mandelbrot Fractal viewer for the Nexys Video
• GPS Spew: A desktop GPS jammer
• OSERDESE2: An example 10:1 serialiser that simulates properly
• Digital Microphone: Getting data from a PmodMIC3 - A MEM Smicrophone and 12-bit ADC
• Mandelbrot NG: A new real time Mandelbrot viewer
• Ring Oscillator: Creating a ring oscillator in an FPGA
• Digital Sine: Creating relatively accurate analog sine waves with an DAC
• PmodAD1: Reading an analog joystick with the PmodAD1 (Analog Devices AD7476 ADC)
• FPGA_ESP8266: Interfacing your FPGA to wifi using low cost ESP8266 module
• PmodMAXSONAR: Using the serial interface on the PmodMAXSONAR module
• Minimal HDMI: A super-light-weight 3 bits per pixel true HDMI interface
• Minimal DVI-D: A super-light-weight 9 bits per pixel DVI-D interface
• Log Pins: A tiny project to send the start of 11 pins to a host over RS232
• miniSpartan6+ SPI Programming: Writing your logic design into the board's SPI configuration FLASH
• miniSpartan6+ DVID Logo: Overlaying the Hamsterworks Logo on a DVI-D stream
• miniSpartan6+ Audio: Playing beeps
• miniSpartan6+ DVID Output: A better DVI-D output for the Scarab Hardware miniSpartan6+ board
• miniSpartan6+ bringup: First bringup of the Scarab Hardware miniSpartan6+ board
• Stepper: Controlling a small stepper motor
• Math free digital clock A digital clock that doesn't know how to add!
• LFSR Divider Using a LFSR to divide a clock signal
• Sonar Interfacing a low-cost sonar module to an FPGA
• Simple resets don't work: Showing how not to implement a reset
• DDS via a VGA port: Analysing how well a VGA port can generate a 6.25 MHz frequency sine wave
• Inferred FIFO: Implementing a FIFO to avoid using IP
• Cheap Analogue Input: Reading an analogue joystick without a ADC
• HDMI Input: Receiving high-speed digital video (DVI-D over HDMI)
• Intelligent LEDs: Driving Intelligent LEDs
• SDRAM Audio playback: Playing back extended audio from SDRAM
• FPGA wheelchair fairy lights: LED lights for my boy's wheelchair
• Accessing the configuration clock: Using the internal oscillator
• High Speed Frequency Counter: Counting the fastest of clocks
• DVI-D Serdes: Creating a DVI-D signal using the OSERDES2 Serializers
• SD card testing: Playing around with the SPI interface on an SD card
• Logic Analyser Test: An 8-bit 200MHz counter to test a Logic Analyser
• Eternity2 Solver: Using an FPGA to solve the Eternity II puzzle
• Zedboard Audio: Using the I2S Audio codec on the Zedboard from VHDL
• Reflow Oven: Solder reflow using an benchtop oven and a FPGA
• FIR Filter: Implementing a FIR filter in an FPGA
• Solid State Relay: Driving a SSR from the a FPGA
• Analog Wing: Using the Papilio Analogue Wing
• Thermocouple demo: Capturing data using a Adafruit Thermocouple interface
• Simple SDRAM Controller: A very simple SDRAM controller
• Zedboard_VGA_HDMI: “Driving the Zedboard's VGA and HDMI interface, at one clock per Pixel, includes RGB444 to YCbCr conversion”
• Zedboard_HDMI_v2: Driving the Zedboard's HDMI interface
• pmodi2s: Driving a Digilent PMODI2S Audio DAC
• pmodenc: Decoding the input from the Digitent PMODENC rotary encoder
• mains_hum_filter: A low-pass DSP filter removing 50Hz hum from an ADC's samples
• a2d_graph: Slowly graphing channel 0 on the LogicStart's ADC
• DSP_Filter_Design: Various bits and bobs for FIR filter design
• I3C2: An Intelligent I2C Controller
• Audio filter: Simulating a passive analogue audio filter
• Dualhead MCB Frame Buffer: Adding a DVI-D output to the MCB Frame Buffer
• MCB Frame Buffer: Creating a 720p frame buffer in the Pipistrello's LPDDR memory
• USB TTL RS232: Using the Papilio as a TTL RS232 adapter
• Spartan 6 1080p: Generating 1080p on a Spartan 6 LX
• High Speed Link: High speed transfer between two FPGAs
• RS232_dumper: Capture then dump data to the RS232 port
• Zedboard_HDMI: Driving the Zedboard's HDMI interface
• Zedboard_OV7670: Attaching a low cost camera to the Zedboard
• Async_VGA: A VGA Controller that works with bursts of data (e.g. from SDRAM)
• FreqSwitch CHanging: a DCM_CLKGEN's output “on the fly” to generate different frequencies
• FM_SOS: Send SOS with a simple FM transmitter
• OV7670_camera: Video capture from a cheap camera module
• Digilent EPP Performance: Performance difference in the EPP port speed on digilent boards
• OSERDES2 clocking: Setting up the clocking infrastructure for high speed serial output
• frequency_counter: GPS referenced frequency counter
• hidef_snow: Generate static in 1080p
• config_flash: Storing arbitrary data in the configuration flash
• async_reset: Testing async reset reliability
• meta_test: Testing for metastability
• if vs case: Testing different implementations
• ray_cast: A “ray casting” 3D maze walk through
• dx_display: Driving a Deal Extreme TM1638 7 Seg Display
• Synth: A simple all-digital Synth, in bite sized parts
• Crystal Castles: Reimplementing the old arcade machine on an FPGA
• CheapScope: A simple fabric embedded logic analyser, with and RS232 interface
• dvid_test: Driving a DVI-D interface from a Spartan 6 FPGA
• HDlife: Implementing Conway's Game of Life at full HD
• FPGAheli: Controlling an Infrared Helicopter
• shortwave: A very quick and dirty shortwave transmitter
• AVR8 core: An AVR103 nearly compatible soft core originally from OpenCores
• 10BaseT-TX: Sending out Ethernet packets directly from the FPGA
• SPDIF_Input: Capturing and converting digital audio data from DVD players
• SPDIF_out: Generating digital audio data output
• SPDIF_Volume: A simple digital volume control for a S/PDIF signal - a very simple DSP
• SPDIF_Thru: A passthrough for S/PDIF singal - a base for DSP projects
• VGA Display: Generating the timings for 1440×900 VGA output
• WavePlay: Playing 8bit stereo audio samples from Block RAM
• Mandelbrot: Yet another FPGA Mandelbrot viewer
• DSPfract: Yet another FPGA Mandelbrot viewer - this time using Spartan 6 DSP48A bocks
• Radix2div: Radix 2 division in VHDL
• Radix4div: Radix 4 division in VHDL
• SDRAM Memory Controller: Memory controller for the SDRAM chip on the Terasic DE0-nano
• uClinux: Bringing up uClinux on a Terasic DE0-nano board
• MAF6502: A FPGA implementation of the classic MOS6502 processor
• Papilio Plus/Pacman: Building the Pacman implementation from http://fpgaarcade.com on the Spartan 6 hardware
• Papilio Plus/Fading counter: A softly fading binary counter
• Papilio Plus/PS2 Keyboard: Using the PS/2 keyboard interface
• Papilio Plus/SRAM test 2: writes and verifies test patterns in the SRAM on the Papilio Plus @ 100MHz
• CUGA-1: A CPU Using Gate Arrays