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cheap frequency counter for amateur radio
DIY ECG and Pulse Oximeter with LM324 OpAmp (1 of 2)
DIY ECG with AD8232 and Sound Card
Realtime Microphone Audio FFT Graph with C#
DIY ECG - 1 op-amp version
DIY PC ECG using a Sound Card
Realtime Audio Plotting with Python, QT, and PyAudio
Bit Bang FT232 to Control SPI Devices
Homebrew Frequency Counter for Amateur Radio Using A Multiplexed Display and an ATMega16
Wireless Microcontroller / PC interface using 433MHz RF module and sound card
realtime graphing with python
DIY ECG and Pulse Oximeter with LM324 OpAmp (2 of 2)
bidirectional microcontroller / PC communication through sound card
Raspberry Pi PWM is jittery (seen with oscilloscope and logic analyzer)
Python Powered Radio Frequency Activity Logger
Rotary Shaft Encoder on AVR for simple menu driven microcontroller menu navigation
Rotary Shaft Encoder on AVR (with code)
PS4 controller hack adds auto-sprint to COD WWII
Precision Pressure Meter Project
HD44780 LCD run by an ATTiny2313 AVR microcontroller using AVR-GCC
Analog Voltage from Raspberry Pi using MCP4921 12-bit DAC and SPI
Realtime Microphone Audio FFT Graph with C# (improved)
