Posts

RNode - An open, free and unrestricted digital radio transceiver 04-26

TinyGS - Open Source Global Satellite Network 04-10

MPCNC - The Mostly Printed CNC 04-08

MFJ-969 Deluxe Vera Tuner II 08-28

AREDN - Amateur Radio Emergency Data Network 08-24

80 Meter SSB - Part 3 - Transmit/Receive Switching & PA 08-23

Yaesu FTDX10 08-14

southern fried gaming expo / vintage computer festival southeast 2023 07-31

80 Meter SSB - Part 2 - Superhet Receiver 07-24

80 Meter SSB - Part 1 - Direct Conversion Receiver 07-17

Homebrew Radio Development Platform 07-10

AMPRNet 05-26

nabu 02-20

SA868S module 12-05

(tr)uSDX kit 11-30

MiniPA 70 Mosfet Amplifier 09-20

QDX blown...again 09-14

QDX 4-band 5W Digital Transceiver 09-12

new toys! 09-01

commodore 16 08-26

motorola speaker 07-21

southern fried gaming expo / vintage computer festival southeast 07-18

ATU-100 Antenna Tuner 04-25

80 meter bandpass filter 12-30

end fed half wave antenna 12-27

Sencore Caddy Bar Jr 12-17

6502 computer - part 2 - now with solder! 11-27

#septandy – tandy color computer 2 09-26

portable tv composite mod 09-04

homebrew 6502 computer – part 1 09-04

6502 breadboard computer 07-06

another c64 restore 06-12

chaplet systems halikan 06-08

homebrew z80 computer 02-07

atari 7800 01-02

commodore 128 12-16

atari 800xl 12-09

cosmac elf 11-25

commodore 64 10-18

8-bit computer – control logic 10-01

8-bit computer – output register & bus 09-09

8-bit breadboard computer – eeprom programmer 08-14

8-bit breadboard computer – ram & program counter 08-12

8-bit breadboard computer – ALU & ram 07-29

8-bit breadboard computer 07-26

Heathkit Laboratory Generator IG-42 11-05

teensy sdr transceiver – part 1 05-08

constant current laser driver 05-07

sstv from the iss 04-16

si5351 quadrature 03-31

power supply restoration 03-12

circuit construction techniques 01-10

baofeng aprs ptt controller 01-08

esr meter 12-31

guitar stompbox 12-18

20m dipole upgrade 12-18

geiger counter 11-08

mic amp 11-06

lightning detector 11-06

usb sound card/vox interface for digital modes 10-16

nixie tubes 10-16

sencore fc45 frequency counter repair 10-09

power supplies 10-06

heathkit test gear 09-26

icom ic-245 & sencore mighty mite v tc142 tube tester 09-19

superhet receiver 09-18

new stuff 09-18

direct conversion receiver 09-12

rf amp 09-06

vox interface – more ft8 08-14

scrolling one line on a 16×2 lcd 08-09

ft8 08-07

astatic d-104 07-31

car stereo aux mod 07-28

2 meter j-pole 07-17

oscillators 07-07

3d printer 07-05

audio amp 06-26

self-balancing robot 06-23

raspberry pi repair – no usb with over-current change error message 06-08

cnc machine 06-05

robotic arm kit 05-08

heathkit hw-101 – it works! 05-08

heathkit hp-23b power supply restoration 05-04

ns-40 transmitter 05-01

g5rv antenna 04-28

heathkit hw-101 04-25

direct sample rtl-sdr mod 04-17

bitx20 v3 build – bandpass filter 04-16

bitx20 v3 build – vfo 04-10

bitx20 v3 build – mixer and rf amp 04-07

homebrew mept – part 1 03-20

jt65 with bitx 40 module 03-13

bitx20 v3 build – if amps & crystal filter 03-06

simple tesla coil 03-03

bitx20 v3 build – if amps 03-03

bitx20 v3 build – bfo 03-01

bitx20 v3 build – t/r switching 02-20

bitx20 v3 build – mic amp 02-16

bitx20 v3 build – af amp 02-14

bitx digital modes 02-13

induction heater 02-10

simple am regenerative receiver 01-30

jacob’s ladder 01-23

bench safety gear – part 2 – isolation transformer 01-16

bench safety gear – part 1 – gfci safety box 01-11

slayer exciter 01-09

simple transistor tester 01-09

outernet 01-03

universal qrp transmitter enclosure 12-08

bitx: star wars lunch box 12-08

bitx mods 11-30

bitx40 module 11-21

raspberry pi wspr transmitter 11-18

arduino keyer 11-14

homebrew morse paddles 11-11

40m qrp transmitter 11-10

aprs 10-26

homebrew linear power supply 10-18

new dipole 10-17

project updates 10-13

dell xps 13 (9343) combo jack 10-12

si5351 with a raspberry pi 09-30

forty9er kit with dds vfo 09-30

homebrew antenna analyzer 09-28

michigan mighty mite 09-12

homebrew ssb receiver part 4 – rebuilt receiver 09-12

crystal tester 09-12

homebrew ssb receiver part 3 – receiver 09-06

sharing pulseaudio devices over the network for sdr 08-29

rover project – part 3 08-18

rover project – part 2 08-16

rover project – part 1 08-15

ads-b coaxial collinear antenna 08-12

homebrew ssb receiver part 2 – audio amp 08-11

homebrew ssb receiver part 1 – vfo 08-09

antennas 07-18

ad9850 vfo 07-15

diy dummy load 06-22

diy solder fume extractor 06-13

backups with obnam 06-07

encrypted backup appliance with raspberry pi and rsnapshot 06-02

rtl-sdr upconverter 05-31

2 meter yagi antenna 05-26

fpv 05-05

arduino si5351 vfo 05-05

morse code in c 04-21

install kodi on an amazon fire tv stick 07-20

enable miracast on nexus 6 07-19

auto mute audio when headphones are unplugged 07-10

ir remote with arch linux and lirc 07-02

linksys wrt54g as serial wifi adapter for arduino 06-29

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