Nextion and audio – some PSU tips
Extra consideration is required with power supply design if you intend to use a Nextion HMI in a project with audio Low level noise
Nextion for K3NG Rotator Controller Videos
A series of videos demonstrating the VK4GHZ Nextion for K3NG Rotator Controller Part 1 – Basic Az system Part 1 looks at a basic
VK4GHZ K3NG Rotator Controller System
A rotator controller project based on the popular K3NG rotator controller. This project features; • Teensy 3.2 microcontroller • Nextion 3.5″ Enhanced HMI with
K3NG Rotator Controller Nextion Development
It’s not everyday you come across a project from somebody else that is well documented, relatively easy to pick up and work with, and,
Degrees Symbol for K3NG Rotator Controller Nextion – 2
The K3NG rotator controller is extremely well supported by the author, Anthony Good, K3NG. Since the last bug report, one issue, easily overlooked by
Degrees Symbol for K3NG Rotator Controller Nextion
This video shows how you can get the degrees symbol ° on the K3NG Rotator Controller’s Nextion touchscreen. Applies to version rotator controller v20.06.26.02.
12-bit ADC Resolution for K3NG Rotator Controller
The K3NG Rotator Controller project is aimed towards Arduino Mega 2560 or similar hardware. Standard ADC resolution on many of the Arduino boards is
Yaesu G-800DXA Volts Out Trimpot Replacement
A Yaesu G-800DXA rotator is being used for azimuth satellite tracking being driven from SatPC32 via a K3NG rotator controller interface. The factory fitted
IC-410PRO Mic Connector AF output
An Icom IC-410PRO UHF transceiver is being interfaced to a Clear-Com intercom system via a TW-47. I/O required between the IC-410PRO via it’s 8-pin
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
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
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