Portsdown hardware - Revision history

G8GKQ: /* 7" Touchscreen */

2026-03-19T17:04:31Z

7" Touchscreen

2026-03-01T14:12:05Z

LibreSDR

2026-03-01T14:11:27Z

Muntjac SDR

2026-03-01T14:01:47Z

Muntjac SDR

2025-12-20T19:38:56Z

Pluto SDR

2025-12-20T19:15:48Z

5" Touchscreen

2025-12-20T19:15:10Z

Alternative 7" Touchscreen

2025-12-20T19:14:34Z

Alternative 7" Touchscreen

2025-09-17T14:44:21Z

Alternative 7" Touchscreen

2025-09-17T14:44:02Z

5" Touchscreen

@@ Line 43: / Line 43: @@
 ===7" Touchscreen===
-The Portsdown 4 is designed to work with the  Official Raspberry Pi 7" touchscreen (often referred to as a "7 inch Element 14 touchscreen").  The Portsdown 2020 works best with this screen, but can also use the 3.5 inch screen (below).  The Portsdown 4 also supports the DFRobot DFR0550 5 inch touchscreen.
+The Portsdown 4 is designed to work with the original Official Raspberry Pi 7" touchscreen (often referred to as a "7 inch Element 14 touchscreen").  The Portsdown 2020 works best with this screen, but can also use the 3.5 inch screen (below).  The Portsdown 4 also supports the DFRobot DFR0550 5 inch touchscreen. '''The Raspberry Pi Touch Display 2 is NOT supported.'''
 [[File:7_inch_screen.jpg|400px]]

← Older revision		Revision as of 14:12, 1 March 2026
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	'''''However, you will need a camera and audio input to transmit pictures and sound.'''''		'''''However, you will need a camera and audio input to transmit pictures and sound.'''''
−
−	~~===LibreSDR===~~
−
−	~~The Portsdown 4 supports the LibreSDR with the PA2JSA firmware. See this page for more details [[LibreSDR and the Portsdown 4]]~~
−

	----------------------		----------------------

← Older revision		Revision as of 14:11, 1 March 2026
Line 133:		Line 133:

	The Portsdown 4 supports the Muntjac SDR which will generate DATV from 390 - 510 MHz and 2400 - 2485 MHz. See this Page for more details: [[The Muntjac SDR]]		The Portsdown 4 supports the Muntjac SDR which will generate DATV from 390 - 510 MHz and 2400 - 2485 MHz. See this Page for more details: [[The Muntjac SDR]]
		+
		+	===LibreSDR===
		+
		+	The Portsdown 4 supports the LibreSDR with the DL1JM/PA2JSA firmware. See this page for more details [[LibreSDR and the Portsdown 4]]
		+
		+
		+	----------------------
		+
		+	'''You now have the components for a fully working Portsdown transmitter!
		+
		+	---------------------
		+
		+	'''''However, you will need a camera and audio input to transmit pictures and sound.'''''

	===LibreSDR===		===LibreSDR===

← Older revision		Revision as of 14:01, 1 March 2026
Line 133:		Line 133:

	The Portsdown 4 supports the Muntjac SDR which will generate DATV from 390 - 510 MHz and 2400 - 2485 MHz. See this Page for more details: [[The Muntjac SDR]]		The Portsdown 4 supports the Muntjac SDR which will generate DATV from 390 - 510 MHz and 2400 - 2485 MHz. See this Page for more details: [[The Muntjac SDR]]
		+
		+	===LibreSDR===
		+
		+	The Portsdown 4 supports the LibreSDR with the PA2JSA firmware. See this page for more details [[LibreSDR and the Portsdown 4]]
		+

	----------------------		----------------------

← Older revision		Revision as of 19:38, 20 December 2025
Line 129:		Line 129:

	See this page for more details: [[Portsdown_4_Pluto]]		See this page for more details: [[Portsdown_4_Pluto]]
		+
		+	===Muntjac SDR===
		+
		+	The Portsdown 4 supports the Muntjac SDR which will generate DATV from 390 - 510 MHz and 2400 - 2485 MHz. See this Page for more details: [[The Muntjac SDR]]

	----------------------		----------------------

@@ Line 74: / Line 74: @@
 # The "d" of inverted (the system should then reboot)
-Alternatively, (after updating to sodftware version 202509170) log into the SSH Console menu, select Display and Invert.
+Alternatively, log into the SSH Console menu, select Display and Invert.
 After the reboot, you should again go to Menu 3, System Config and select the 5 inch screen to get a reliable response to touches.

← Older revision		Revision as of 19:14, 20 December 2025
Line 52:		Line 52:

	During 2025, 7 inch touchscreens that are reported to be compatible have become available on AliExpress for about £25. The description is generally: "7 Inch DSI Touch Screen for Raspberry Pi 5 4B 3B+ 3B IPS Display 800480 LCD MIPI CSI Cable With Standard Monitor for RPI 5 Pi5". The key points here are that it must use a CSI or DSI cable, and must be 800480. Be very careful buying from AliExpress - it is very easy to buy the wrong (incompatible) item!		During 2025, 7 inch touchscreens that are reported to be compatible have become available on AliExpress for about £25. The description is generally: "7 Inch DSI Touch Screen for Raspberry Pi 5 4B 3B+ 3B IPS Display 800480 LCD MIPI CSI Cable With Standard Monitor for RPI 5 Pi5". The key points here are that it must use a CSI or DSI cable, and must be 800480. Be very careful buying from AliExpress - it is very easy to buy the wrong (incompatible) item!
		+
		+	Note that this touchscreen initially may not appear to respond to touch commands; follow the instructions below to rotate the touch overlay and you can correct this issue.

	[[File:AliExpress Screen.PNG\|600px]]		[[File:AliExpress Screen.PNG\|600px]]

@@ Line 57: / Line 57: @@
 On initial build with this screen, the Portsdown touch map is rotated by 180 degrees. This can be corrected by navigating to Menu 3, System Config, Invert Touchscreen. If you can’t work out exactly where to press, here are the touch points:
-Preset 1 (Menu 3 should then be displayed)
+# Preset 1 (Menu 3 should then be displayed)
-M2 (the System Configuration Menu should then be displayed)
+# M2 (the System Configuration Menu should then be displayed)
-Just above Web Control (the reboot question should then be displayed)
+# Just above Web Control (the reboot question should then be displayed)
-The "d" of inverted (the system should then reboot)
+# The "d" of inverted (the system should then reboot)
 Alternatively, (after updating to sodftware version 202509170) log into the SSH Console menu, select Display and Invert.