Nextion HMI

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

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 using an ordinary DMM.

A better method of eliminating the voltage drop problem across R10 20 ohm 5W resistor (that feeds +12V to the External Control connector) was suggested by Mike, WB8CXO, and implemented. … Read more...

VK4GHZ Nextion for K3NG Rotator Controller

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 HMI
• NX4832K035  3.5″ Enhanced HMI
• NX4024K032  3.2″ Enhanced HMI  (limited functionality)

• Numeric Azimuth and elevation display
• Gauges Azimuth and elevation display
• BIG gauges display
• CCW/CW/Up/Down rotator control
• Configurable preset positions with name tags
• Configurable colours/fonts
• Park button
• Go To grid square
• Co-ordinates converter – convert between lat/lon and grid square
• Contest page – 8 presets
• Configuration – Screen page
• Rotor Calibration page
• Numeric keypad for entering numbers
• ABC keyboard for entering text & numbers
• Diagnostics page
• Configurable User Defined Functions with names
• Moon & Sun tracking page
• Satellite tracking page
• Satellite selection list
• Satellite AOS page
• Satellite tracking world map
• Tracking Check Interval settings page

Click on images to view full-size

 

Which Nextion?Read more...

K3NG Rotator Controller Project Boxing

Adam shows you how he crams his 5.0″ Nextion touch screen and custom K3NG rotator controller board inside an $8 box.

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K3NG Rotator Controller Project Update Jan 2

Nextion firmware V2021-01-01-01 update for K3NG Rotator Controller

New:
5.0″ version
Preset tags colour & font can now be changed
User Defined Buttons now have name tags
Initialize EEPROM button added
Toggle Center button added
Clock time now displayed on Features page

Fix:
Satellite title bar character length extended by several characters – long names were being cropped!… Read more...