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by Daniel Wee
Fri 11 Jun 11 2021 8:42 pm
Forum: Other Stuff
Topic: Reverse engineering the R6NT power meter
Replies: 3
Views: 20

Re: Reverse engineering the R6NT power meter

The relationship between AVG and PEP power is well-described in the following page:-

https://www.analog.com/en/analog-dialog ... e-177.html#
by Daniel Wee
Fri 11 Jun 11 2021 8:41 pm
Forum: Other Stuff
Topic: Reverse engineering the R6NT power meter
Replies: 3
Views: 20

Re: Reverse engineering the R6NT power meter

The meter appears to switch in a PEP circuitry when in the PEP mode. This seems to consist of some op-amp buffered rectification and smoothing, similar to what happens in some of the Daiwa analogue meters.
by Daniel Wee
Fri 11 Jun 11 2021 12:57 am
Forum: Other Stuff
Topic: Reverse engineering the R6NT power meter
Replies: 3
Views: 20

Re: Reverse engineering the R6NT power meter

The Sitronix ST7796S and the IL9488 appear to be somewhat related? http://www.lcdwiki.com/4.0inch_SPI_Module_ST7796 Everything points to MCUFRIEND_kbv as being the library to use. Alternatively there is also LCDWIKI_kbv http://www.lcdwiki.com/res/PublicFile/Arduino_IDE_Use_Illustration_EN.pdf This l...
by Daniel Wee
Fri 11 Jun 11 2021 12:21 am
Forum: Other Stuff
Topic: Reverse engineering the R6NT power meter
Replies: 3
Views: 20

Reverse engineering the R6NT power meter

Display board is an ER-TFTM035-6 from buydisplay.com https://www.buydisplay.com/lcd-3-5-inch-320x480-tft-display-module-optl-touch-screen-w-breakout-board https://www.buydisplay.com/arduino-3-5-tft-lcd-touch-shield-serial-spi-example-for-mega-due This uses the IL9488 controller from ILITEK. The LCD ...
by Daniel Wee
Mon 24 May 24 2021 12:08 pm
Forum: General Discussions
Topic: EFHW designs
Replies: 1
Views: 69

Re: EFHW designs

FT240-52 x3 or
FT240-43 x2

100pF 3kV or higher
12AWG enameled wire

SO-239 bulkhead

Banana socket x2
by Daniel Wee
Mon 24 May 24 2021 10:46 am
Forum: Projects
Topic: K1EL K3NG keyer
Replies: 0
Views: 40

K1EL K3NG keyer

https://github.com/k3ng/k3ng_cw_keyer/w ... Your-Keyer

Parts list:-
Arduino nano V3 or UNO
EN11-VSM1AF20 (optical encoder)
PC817 (opto-isolator/transistor)
3.5mm stereo socket x1
3.5mm mono socket x1

Inkedkeyer_LI.jpg
Inkedkeyer_LI.jpg (1.15 MiB) Viewed 40 times
by Daniel Wee
Wed 12 May 12 2021 11:18 am
Forum: Projects
Topic: Building WSJT-Z on Ubuntu
Replies: 1
Views: 126

Re: Building WSJT-Z on Ubuntu

Code: Select all

sudo apt install gfortran libboost-all-dev libfftw3-dev
It looks like libhamlib3 will need to be built manually