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GPIO Control of LED using Raspberry Pi 2 and SSH

GPIO Control of LED using Raspberry Pi 2 and SSH

Programming Baofeng GT3 Radio in Chirp under Linux

Programming Baofeng GT3 Radio in Chirp under Linux

Investigating audio drive levels for packet radio

Investigating audio drive levels for packet radio

Packet radio communications

Packet radio communications

Packet Radio with Raspberry Pi running Soundmodem

Packet Radio with Raspberry Pi running Soundmodem

Parallel Debug of OpenMPI Fortran Program

Parallel Debug of OpenMPI Fortran Program

Disassembly and Step Through of OpenMPI Fortran Code

Disassembly and Step Through of OpenMPI Fortran Code

Successful two-sided test of the Dual Diode Box

Successful two-sided test of the Dual Diode Box

A look at the test setup schematic and simulation

A look at the test setup schematic and simulation

Testing of the display board

Testing of the display board

Testing the signal processing board

Testing the signal processing board

Repair and retest of the signal processing board

Repair and retest of the signal processing board

Observations on internal boards

Observations on internal boards

Test of Internal 12V Power Supply

Test of Internal 12V Power Supply

Discussion on high voltage dual Schottky diodes

Discussion on high voltage dual Schottky diodes

Single side test of dual diode box 1

Single side test of dual diode box 1

Arduino based VFO with AD9850 DDS

Arduino based VFO with AD9850 DDS

measuring the inductance of a custom inductor

measuring the inductance of a custom inductor

Textbook Buck Converter

Textbook Buck Converter