- Heathkit Laboratory Generator IG-42
- teensy sdr transceiver – part 1
- constant current laser driver
- sstv from the iss
- si5351 quadrature
- power supply restoration
- circuit construction techniques
- baofeng aprs ptt controller
- esr meter
- guitar stompbox
- 20m dipole upgrade
- geiger counter
- lightning detector
- mic amp
- nixie tubes
- usb sound card/vox interface for digital modes
- sencore fc45 frequency counter repair
- power supplies
- heathkit test gear
- icom ic-245 & sencore mighty mite v tc142 tube tester
- superhet receiver
- new stuff
- direct conversion receiver
- rf amp
- vox interface – more ft8
- scrolling one line on a 16×2 lcd
- ft8
- astatic d-104
- car stereo aux mod
- 2 meter j-pole
- oscillators
- 3d printer
- audio amp
- self-balancing robot
- raspberry pi repair – no usb with over-current change error message
- cnc machine
- robotic arm kit
- heathkit hw-101 – it works!
- heathkit hp-23b power supply restoration
- ns-40 transmitter
- g5rv antenna
- heathkit hw-101
- direct sample rtl-sdr mod
- bitx20 v3 build – bandpass filter
- bitx20 v3 build – vfo
- bitx20 v3 build – mixer and rf amp
- homebrew mept – part 1
- jt65 with bitx 40 module
- bitx20 v3 build – if amps & crystal filter
- simple tesla coil
- bitx20 v3 build – if amps
- bitx20 v3 build – bfo
- bitx20 v3 build – t/r switching
- bitx20 v3 build – mic amp
- bitx20 v3 build – af amp
- bitx digital modes
- induction heater
- simple am regenerative receiver
- jacob’s ladder
- bench safety gear – part 2 – isolation transformer
- bench safety gear – part 1 – gfci safety box
- simple transistor tester
- slayer exciter
- outernet
- bitx: star wars lunch box
- universal qrp transmitter enclosure
- bitx mods
- bitx40 module
- raspberry pi wspr transmitter
- arduino keyer
- hombrew morse paddles
- 40m qrp transmitter
- aprs
- homebrew linear power supply
- new dipole
- project updates
- dell xps 13 (9343) combo jack
- forty9er kit with dds vfo
- si5351 with a raspberry pi
- homebrew antenna analyzer
- homebrew ssb receiver part 4 – rebuilt receiver
- michigan mighty mite
- crystal tester
- homebrew ssb receiver part 3 – receiver
- sharing pulseaudio devices over the network for sdr
- rover project – part 3
- rover project – part 2
- rover project – part 1
- ads-b coaxial collinear antenna
- homebrew ssb receiver part 2 – audio amp
- homebrew ssb receiver part 1 – vfo
- antennas
- ad9850 vfo
- diy dummy load
- diy solder fume extractor
- backups with obnam
- encrypted backup appliance with raspberry pi and rsnapshot
- rtl-sdr upconverter
- 2 meter yagi antenna
- arduino si5351 vfo
- fpv
- morse code in c
- install kodi on an amazon fire tv stick
- enable miracast on nexus 6
- auto mute audio when headphones are unplugged
- ir remote with arch linux and lirc
- linksys wrt54g as serial wifi adapter for arduino