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ldmos_design_with_dwin_display

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@satspares

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KiCad projectAll 135 files, ready to open in KiCad3.1 MB
For fabricationGerbers, drill, pick-and-place and BOMGerbers and drill zip114 KBGerbers and drill zip: all-band-amp-April-2026705 KBGerbers and drill zip: Band_Switch_board_2026_small181 KBGerbers and drill zip: RFA_Board46 KBGerbers and drill zip: RFA-Board-202662 KBPick and place (CSV)1.8 KBPick and place (CSV): all-band-amp-April-202612 KBPick and place (CSV): Band_Switch_board_2026_small2.7 KBPick and place (CSV): RFA_Board1.2 KBPick and place (CSV): RFA-Board-20261.6 KBBOM CSV28 KB
Schematic PDFEvery sheet, to read or print88 KB
3D modelThe board with its parts, for an enclosure (GLB)3D model (GLB)3.9 MB3D model (GLB): all-band-amp-April-202623 MB3D model (GLB): Band_Switch_board_2026_small4.6 MB3D model (GLB): RFA_Board1.5 MB3D model (GLB): RFA-Board-20261.7 MB
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README

Work in progress! since 2021

28th April 2026. New Software and PCB Improve Graphics. Add save drive settings per. band.

LDMOS control software and PCB design for dxworld - QRPblog A600 - or similar amps using DWIN display.

PCB design used Kicad.

Software vscode and platformio.

From the DWIN store on aliexpress

DMG80480C050_04W 5inch we need touch version DMG80480C050_04WTC 800x480

DMG80480T050_A5W more cost has case speaker and rs232

DMG80480C043_02W 4.3 inch 800x480 I have this one a bit small for big fingers.

The WTC at the end of the part number is capacitive touch or WTR is resistive touch both are ok but the WTC versions are more sensitive. Obviously make sure you get a touch version! Caution some of the displays have a solder link to move from rs232 to ttl.

Some of the later work here is from the excellent ideas of S21RC

G4UFI

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