profdc9's repositories
ModularTuner
A Modular Antenna Tuner for a Phased Array Antenna System
QRPAmplifier
Layout of WA2EBY amplifier in Kicad, licensed CC-BY-SA 4.0
STM32surface
STM32F103C8T6 bluepill like board with 0805 size and easily sourceable parts
RFNoiseSource
A RF noise source with about 2 GHz bandwidth
ActiveRFProbe
An active RF probe based on the 2SC3356 transistor available from many sources.
MCTheremin
Microcontroller based theremin using the STM32F103C8T6 bluepill board
PrettyGoodPreamplifier
A Pretty Good Preamplifier for Stereo and Subwoofer Use
STM32F4ThruPill
STM32F405RGT6 dev board with bluepill compatible pinout and through-hole components
SuperProbe
A single PCB implementation of Carlson's superprobe in Kicad
ActiveDifferentialProbe
A RF Differential Probe based on the 2SC3356 transistor
SuperGainClone
A stereo layout of Bob Cordell's Super Gain Clone amplifier.
RFUtilityKnifeBFP740
The RF Utility Knife PCB, redone for the BFP740 44 GHz transistor
STM32F4surface
A STM32F4/STM32F1 LQFP64 surface mount PCB
RFUtilityKnife
Five circuits for RF work crammed onto a single PCB.
PersistenceDisplay
A 3-D persistence display
SuperSpeakerSwitcher
A heavy duty switch between two audio amplifiers and two sets of speakers.
ArduinoSTM32_TVout
Arduino STM32 TVoutライブラリ
kicad-website
This is the official website source for KiCad at
SimpleTempController
A simple Arduino temperature controller for maintaining a dry heat environment for disinfection