Projects
Recently Updated
Most Likes
Newest
Project Lists
Discover
Contests
Courses
Stack
More
Courses
Tutorials
Events
Hackerspaces
Hackaday.com
Tindie Marketplace
Sign up
Log in
Close
15 Results for "8-bit cpu"
DSP in Verilog: when it needs to be FAST
Project
by
Bruce Land
IIR filters, CIC filters, Direct Digital Synthesis, Karplus-Strong string synthesis, Adaptive noise cancellation, soft radio
849
38
DSP on 8-bit microcontroller
Project
by
Bruce Land
DSP on 8-bit MCU requires tradeoffs between accuracy and speed. Fixed point FFT, DCT, IIR filters are implmented
486
57
Low bit-rate Speech playback for AVR
Project
by
Bruce Land
Memory is limited on small controllers, this is 2-bit DPCM, compressed speech playback for the AVR architecture.
2.1k
22
Real-time, real-voltage neuron on 8-bit MCU
Project
by
Bruce Land
A two-terminal, real-time, neuron, at biological voltage scale, to teach biological instrumentation.
128
72
Cheap, Hybrid (digital, analog), noise canceller
Project
by
Bruce Land
Surpressing 60 Hz noise. Kyle D. Wesson, Robert M. Ochshorn, Bruce R. Land, Journal of Neuroscience Methods 185 (2009) 50–55
32
20
Earliest-deadline-first real-time for AtMega1284
Project
by
Bruce Land
A preemptive real-time kernel is handy for managing embedded tasks. The kernel needs to be light weight for AVR MCU.
351
28
Audio DSP on DE1-SoC
Project
by
Bruce Land
The Cyclone5 DE1-SoC has a nice audio codec, with support on the Intel/Altera Avalon bus. An Avalon bus master does the DSP, and runs codec
1.7k
18
Cyclone5 VGA16-bit color ARM interface.
Project
by
Bruce Land
The "DE1-SoC University computer" IP which ships with the DE1-SoC is 320x240 resolution. This is a conversion and simplification to 640x480.
16
11
Speech playback on PIC32, 8:1 compression
Project
by
Bruce Land
Spectral speech estimate is stored in flash and reconstructed as a sum of sines during playback thru SPI attached DAC.
25
23
Short, Fast, Floating Point for AVR
Project
by
Bruce Land
Floating point on the AVR Mega is fast in GCC , but we can go faster for limited precision DSP and games.
971
18
Physical Simulation with Cellular Automata
Project
by
Bruce Land
Not all simulations are ODEs! Cellular Automata (CA) use local rules and communication. CA can simulate biological and physical systems.
50
35
PIC32 DAC
Project
by
Tahmid
Hack the internal comparator voltage reference to use as a simple digital to analog converter (DAC)
31
3
FM-synth, two voice, Markov sequence, music box
Project
by
Bruce Land
A Markov sequencer, with fractal 1/f transition probabilities, is combined with a two-voice, 16-bit FM synthesizer, running on a 8-bit MCU.
2.5k
41
DE0-Nano FPGA to VGA output
Project
by
Bruce Land
Simple, passive, cheap DAC and Verilog VGA driver for 8-bit color VGA from the Altera/Terasic DE0-Nano
77
53
VGA graphics for ARM SoC
Project
by
Bruce Land
A VGA driver on the FPGA side of the SoC connects to the ARM side. 8-bit pixels were used to conserve memory on the FPGA
23
14