Eltek Flatpack2 HE 48V/2000W Controller
An Eltek Flatpack2 HE 48V/2000W rectifier is being used as the power supply for a 23cm 600W LDMOS Power Amplifier project. This touchscreen controller
Eltek Flatpack2 controller PSU
A reliable 5V power supply is required to power a controller for an Eltek Flatpack2 48/2000 HE rectifier being used as the PSU for
Panasonic DMR-BWT720 IR6 Remote buttons not working
Some of the buttons on the Panasonic DMR-BWT720’s remote control have stopped working, or have become unreliable. This needs to be fixed! I suspect
FS1000A 433 MHz transmitter – L2 missing
I recently purchased some of these low-cost 433 MHz SAW transmitter and receiver pairs for a current project. The receivers work as advertised. The
LED vs Incandescent Reversing Lamp Comparison
I recently purchased some LED automotive reversing lamps off eBay, having become increasingly frustrated with incandescent lamps blowing at the most inopportune times! A
(SOLD) For Sale Icom IC-910H UX-910 CR-293 UT-106 MB-23 in VGC
For Sale Icom IC-910H, comes with the following: • UX-910 23cm 10W module • CR-293 High Stability unit • UT-106 DSP unit • MB-23
Adding a real power switch – APTK461 Digital Scales
Many consumer devices have “software power switches”, that is, the device is in a “standby” state when “off”. This standby state still draws current,
(SOLD) For Sale: 150 Watt 23cm Power Amplifier
Based on the highly regarded PE1RKI power amplifier module, this is a fully assembled and tested – ready to use – 150 watt 1296
Adding Car Stereo USB port into Delica
A long overdue stereo upgrade was done recently, and the new Pioneer AVH-X3800DAB head unit has a USB port for media playback. The vehicle
Fixing a Diamond X-500 2/70 antenna
My 20 year old Diamond X-500 2/70 antenna stopped working earlier this year. Not wanting to muck around, I simply ordered a new X-700
Thunderbolt Display firmware files now available
PICAXE .bas files have now been added to the main article. Full details on how to upgrade your VK4GHZ Thunderbolt Display, and ThunderBolt Commander
VK4GHZ Thunderbolt GPSDO Display firmware fix
I have a fix for the Thunderbolt GPSDO date error! The VK4GHZ Thunderbolt Display no longer uses the Year, Month and Day data fields
Weller WTCPT soldering iron switch mod
This simple modification replaces the standard rocker switch with an illuminated type rocker switch that is a drop-in replacement. One annoying thing about the
5/16″ SMA Spanner Mods
Doug, VK4OE, shows us some handy modifications to a 5/16″ combination spanner to make it more user friendly when dealing with SMA connectors in
3.3 GHz FPV Cloverleaf Antenna
I was curious about how much bigger a 3.3 GHz cloverleaf antenna would be, compared to a 5.8 GHz antenna, to see if it
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