Fixing Trimble Thunderbolt -55° Temp Error
This Trimble Thunderbolt 10 MHz GPSDO (purchased off eBay) has always reported temperature incorrectly. Everything else was fine, just the temperature being reported as
Grafting a Fluke Tilt Bail onto a HP 5315A
The tilt bail on a HP 5315A Universal Counter is broken and spare parts are nigh impossible to obtain. An old Fluke 7220A Frequency
Thunderbolt Display 2020 Date Fix
This v2.3 firmware fix addresses the date translation error which became apparent on January 1, 2020. Due to unforeseen coding bugs in the
Nextion for K3NG Rotator Controller Update
VK4GHZ Nextion for K3NG Rotator Controller now gets a version for the NX8048K050 5.0″ Enhanced touchscreen. The 5.0″ screen is nice! Below are some
Fixing Electrolux ZUF4205AF Power Switch
The power on/off switch on an Electrolux ZUF4205AF vacuum cleaner was becoming unreliable, and needed fixing or replacing. Note that this repair is not
IC-9700 GPS-locking mods & warranty issues
Icom’s IC-9700 has been favorably received by consumers, except for the half-baked 10 MHz “Reference” locking scheme. It was thoughtful of Icom to provide
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
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