User contributions for Trevor229

17 April 2024

• 00:1500:15, 17 April 2024 diff hist +104 N File:Cdf relay driver schematic.png (Hopefully correct) schematic of the CD&F relay driver board current
• 00:1400:14, 17 April 2024 diff hist +91 N File:Cdf relay driver back.jpg Backside of the relay driver board for the CD&F current
• 00:1300:13, 17 April 2024 diff hist +76 N File:Cdf relay driver top.jpg Relay driver board from the CD&F current
• 00:1000:10, 17 April 2024 diff hist +119 N File:Cdf cycle timer back.jpg Cycle timer (Steady) backside (Mirrored to match Cdf_cycle_timer_front.jpg) current
• 00:0900:09, 17 April 2024 diff hist +84 N File:Cdf cycle timer front.jpg Cycle timer (Steady) front from the CD&F current
• 00:0900:09, 17 April 2024 diff hist +143 N File:Cdf decoder module a back.jpg Backside of the tone decoder module from the CD&F (Mirrored to match Cdf_decoder_module_a_front.jpg current
• 00:0700:07, 17 April 2024 diff hist +90 N File:Cdf decoder module a front.jpg Front of the tone decoder module from the CD&F current

16 April 2024

• 03:2503:25, 16 April 2024 diff hist +164 N File:Cdf mod power connections.jpg Connections for Vin and GND to power the arduino and Si5351 board on the CD&F. Pulling power from the main 12v regulator current
• 03:2403:24, 16 April 2024 diff hist +132 N File:Cdf modded LO.jpg Final mod showing the insulated arduino and Si5351 board attached to the CD&F main board current
• 03:2103:21, 16 April 2024 diff hist +121 N File:Cdf si5351 test.jpg Test setup of the Si5351 breakout board to replace the LO crystal on the CD&F current

15 April 2024

• 23:2623:26, 15 April 2024 diff hist +183 N File:Cdf tone info.jpg Configured tone information handwritten on the CD&F main board near the top center. Sequence 1 is to activate, sequence 2 is to deactivate. current
• 23:2323:23, 15 April 2024 diff hist +180 N File:Cdf rx closeup back.jpg Closeup of the rear of the double conversion super heterodyne radio receiver circuitry in the CD&F. Mirrored to match Cdf_rx_closeup.jpg current
• 23:2223:22, 15 April 2024 diff hist +130 N File:Cdf rx closeup.jpg Closeup of the double conversion super heterodyne radio receiver circuitry in the CD&F current
• 23:2123:21, 15 April 2024 diff hist 0 File:Cdf bare mainboard back.jpg Trevor229 uploaded a new version of File:Cdf bare mainboard back.jpg current
• 23:1723:17, 15 April 2024 diff hist +191 N File:Cdf bare mainboard back.jpg Back of the CD&F mainboard. There is conformal coating on the back which makes it difficult to probe things. It can be removed with acetone or MEK.
• 23:1623:16, 15 April 2024 diff hist +105 N File:Cdf bare mainboard.jpg Bare mainboard of the CD&F. All cards removed for visibility. current
• 23:1423:14, 15 April 2024 diff hist +105 N File:Cdf back.jpg Back of the enclosure, showing the integrated mounting holes. current
• 23:1323:13, 15 April 2024 diff hist +168 N File:Cdf info onboard.jpg Info written near the bottom center of the mainboard. Shows FCC-ID, serial, receive frequency, input voltage, and ship date. current
• 23:1123:11, 15 April 2024 diff hist +209 N File:Cdf hinge side.jpg Side of the enclosure with the hinge. The hinge cannot be removed from the door, but the door and hinge can be removed from the enclosure with three screws and nuts. current
• 23:1023:10, 15 April 2024 diff hist +136 N File:Cdf latch side.jpg Side of the enclosure with latch. First flips out, then rotate the wing to loosen the clamp. current
• 23:0723:07, 15 April 2024 diff hist +175 N File:Cdf bottom.jpg Bottom of the CD&F housing showing the conduit and vent holes as well as an unused SO-239 connector for replacing the whip antenna. current
• 23:0423:04, 15 April 2024 diff hist +113 N File:Cdf top.jpg Top of the CD&F housing showing the antenna mount without the antenna current
• 23:0323:03, 15 April 2024 diff hist +120 N File:Cdf filters bottom.jpg Bottom side of the CD&F tone filter modules. Mirrored to match the top side. current
• 23:0223:02, 15 April 2024 diff hist +86 N File:Cdf filters top.jpg Top view of both CD&F tone decoder modules current
• 06:1306:13, 15 April 2024 diff hist +77 N File:Cdf xfmr sec.jpg Secondary of the CD&F transformer current
• 06:1306:13, 15 April 2024 diff hist 0 File:Cdf xfmr pri.jpg Trevor229 uploaded a new version of File:Cdf xfmr pri.jpg current
• 06:1206:12, 15 April 2024 diff hist +80 N File:Cdf xfmr pri.jpg Primary side of the CD&F transformer
• 06:0506:05, 15 April 2024 diff hist +96 N File:Cdf terminals closeup.jpg Closeup of the terminal block on the CD&F controller current
• 05:4605:46, 15 April 2024 diff hist +75 N File:Cdf front closed.jpg CD&F with the front door closed current
• 05:4205:42, 15 April 2024 diff hist +87 N File:Cdf front open.jpg CD&F controller with the front door open current

9 March 2023

• 06:1406:14, 9 March 2023 diff hist −89 m Apollo AL-A26 (Pager) →Software Startup current Tag: Visual edit

21 January 2023

• 04:1504:15, 21 January 2023 diff hist +134 m DFM-17 Radiosonde Add USART numbers and clarify SWD/SMA header instructions Tag: Visual edit

20 January 2023

• 23:3823:38, 20 January 2023 diff hist +125 m DFM-17 Radiosonde Add info about removal of NFC chip; add SDN pin for si4063 Tag: Visual edit

18 January 2023

• 02:4702:47, 18 January 2023 diff hist +4 m DFM-17 Radiosonde Typo of IC package on gallery caption fix Tag: Visual edit
• 02:3502:35, 18 January 2023 diff hist +6 m DFM-17 Radiosonde Update some IC package formats Tag: Visual edit

17 January 2023

• 00:5900:59, 17 January 2023 diff hist +746 m DFM-17 Radiosonde add dummy load mod and change images to gallery Tag: Visual edit
• 00:5000:50, 17 January 2023 diff hist 0 N File:Dfm 17 swd and resistors.jpg No edit summary current

16 January 2023

• 06:0206:02, 16 January 2023 diff hist +1,005 DFM-17 Radiosonde Added more pictures, pinouts of sensor stalk, identified ICs, peripheral attachment pinouts Tag: Visual edit
• 06:0106:01, 16 January 2023 diff hist 0 N File:Dfm back pcb no battery.jpg No edit summary current
• 05:3905:39, 16 January 2023 diff hist 0 N File:Stalk pinout mapping.png No edit summary current
• 05:3705:37, 16 January 2023 diff hist 0 N File:V719 and others removed.jpg No edit summary current
• 04:0904:09, 16 January 2023 diff hist 0 File:Sensor stalk pinout.jpg Trevor229 uploaded a new version of File:Sensor stalk pinout.jpg current

14 December 2022

• 03:2603:26, 14 December 2022 diff hist +52 m DFM-17 Radiosonde added mentioned 3rd party source Tag: Visual edit
• 03:2403:24, 14 December 2022 diff hist +758 DFM-17 Radiosonde Added additional photos, added some new information regarding MCU I/O Tag: Visual edit
• 03:0603:06, 14 December 2022 diff hist 0 N File:Sensor stalk pinout.jpg No edit summary
• 03:0603:06, 14 December 2022 diff hist 0 N File:Label id speculaton.jpg No edit summary current

3 September 2022

• 02:1802:18, 3 September 2022 diff hist −7 m Apollo AL-A26 (Pager) Change one word to test new edit perms Tag: Visual edit: Switched

9 August 2022

• 00:4700:47, 9 August 2022 diff hist +3,878 Apollo AL-A26 (Pager) Reword some sections, add new info about hand programming procedure with pictures.
• 00:3600:36, 9 August 2022 diff hist 0 N File:Sticky pads.jpg No edit summary current
• 00:3500:35, 9 August 2022 diff hist 0 N File:Pass word prompt.jpg No edit summary current