Adam – Page 2 – VK4GHZ.com

Amateur Radio Eltek Rectifier

New – Eltek Flatpack2 Volts Setter

January 18, 2022 by Adam

This low-cost device allows you to set the default start-up voltage of an Eltek Flatpack2 Rectifier.

Compatible with 24V and 48V rectifiers.

Connect your own PC or laptop to Volts … Read more...

Amateur Radio ThunderBolt GPS

Thunderbolt Display 2022 Update

January 1, 2022 by Adam

This v2.4 firmware update deletes support for years 2020 and 2021 (obviously no longer required!), which now creates space in the PICAXE28X2’s limited memory for date support to end of … Read more...

Amateur Radio K3NG Rotator Controller Nextion HMI

Nextion for K3NG Rotator Controller Update 2021-10-23

October 26, 2021 by Adam

VK4GHZ Nextion firmware for the K3NG Rotator Controller receives an update dated 2021-10-23.

This update works in conjunction with Anthony Good’s, K3NG, latest release of rotator controller Arduino code, version … Read more...

Amateur Radio K3NG Rotator Controller Nextion HMI

Nextion / TJC HMI Power Up Timing

October 5, 2021 by Adam

How long does it take a Nextion / TJC HMI to power up, and be ready to receive data from your MCU?

If you’re relying on delays at the MCU … Read more...

Amateur Radio DMR

Anytone AT-D878UVIIPlus VK Codeplug

August 10, 2021 by Adam

Update 16-08-2021: VK6RPN added

VK Master Reference Code plug for Anytone AT-D878UVIIPlus v2.02 hand held radio.

Features

• Mode 0 (zero)

• All current VK DMR repeaters

• Channels … Read more...

Amateur Radio K3NG Rotator Controller Nextion HMI Satellites

Yaesu G-5500 Ground Rail Fault & Better Voltage Drop Fix

August 4, 2021 by Adam

Adam’s Yaesu G-5500 stopped working 🙁

Meter lamps came on, but non responsive otherwise.

An open circuit diode was found, D3, so no 0V GND rail existed.
Easy to find … Read more...

Amateur Radio K3NG Rotator Controller Nextion HMI

VK4GHZ Nextion for K3NG Rotator Controller

July 3, 2021 by Adam

Update 03-May-2022: V2022-05-03 fixes typo error on About page in 7.0″ version

Nextion for K3NG Rotator Controller features:

Available for:
• NX8048K070 7.0″ Enhanced HMI
• NX8048K050 5.0″ Enhanced … Read more...

Amateur Radio K3NG Rotator Controller

Nextion for K3NG Rotator Controller Update 2021-06-29

June 29, 2021 by Adam

This update introduces a new page for a large Azimuth only gauge.

Two alternate Azimuth gauge backgrounds can accommodate both close-in terrestrial VHF/UHF work or world-wide HF operation.

Change … Read more...

Amateur Radio K3NG Rotator Controller

How to fix serial GPS ‘Crazy Mouse’ Syndrome

June 23, 2021 by Adam

Adam walks you through how to fix ‘Crazy Mouse’ syndrome.

This is when your PC misinterprets serial NMEA GPS data as mouse data by the serial port enumerator, resulting in … Read more...

Amateur Radio Miscellaneous Miscellaneous

Behringer X1222USB Power Supply Failure – Fix

June 10, 2021 by Adam

Behringer X1222USB audio mixer Power Supply fails, again!

The SMPS modules fitted to these Behringer audio mixers are crap!

Fault symptoms include the appearance of no power to the mixer, … Read more...

Amateur Radio Eltek Rectifier

Eltek FP2 Controllers in stock

May 28, 2021 by Adam

A new batch of Eltek Flatpack2 controllers are in stock.

This controller will work with 24 V and 48 V Flatpack2 rectifiers.

New to this batch, and of interest to … Read more...

Amateur Radio K3NG Rotator Controller Nextion HMI

Custom Big Az gauge for 3.5″ K3NG Nextion

May 20, 2021 by Adam

In the next VK4GHZ Nextion for K3NG Rotator Controller NX4832K035 release (V2021-05-21) I’ll include the ability to toggle between the standard Big Az Gauge and your own custom gauge background.… Read more...

Amateur Radio K3NG Rotator Controller Nextion HMI

Custom Big Az gauge for 5.0″ K3NG Nextion

May 19, 2021 by Adam

In the next VK4GHZ Nextion for K3NG Rotator Controller NX8048K050 release (V2021-05-21) I’ll include the ability to toggle between the standard Big Az Gauge and your own custom gauge background.… Read more...