Uploads by Philip

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Date Name Thumbnail Size Description Versions
21:58, 11 January 2024 Dimmer-waveform.png (file) 3 KB   2
21:58, 4 January 2024 TriacDimmer.png (file) 8 KB A simple triac dimmer circuit. 1
09:13, 23 November 2023 Tap-dribble-gif.gif (file) 573 KB   2
22:09, 17 November 2023 Capacitive dropper power supply.png (file) 8 KB   2
10:46, 11 November 2023 Standard and Reed Relays.jpg (file) 285 KB A standard relay and a reed relay. 1
16:01, 28 October 2023 Flip-clockMechanism.jpg (file) 307 KB The day of month and month mechanisms of a flip clock which recognises the different lengths of the monthhs. 1
14:32, 24 October 2023 Screw terminals.jpg (file) 118 KB Screw terminals equally accepting 4mm plugs. 1
14:43, 23 October 2023 Heat-shrink solder sleeves.jpg (file) 42 KB A selection of heat shrink solder sleeves. 1
19:52, 18 July 2023 Rotary encoder.jpeg (file) 904 KB A mechanical rotary encoder. 1
16:48, 3 June 2023 LED filament.jpg (file) 90 KB Four LED filaments from a broken LED lamp. 1
14:19, 3 June 2023 Small PV cell.jpg (file) 230 KB A small photovoltaic cell from a solar-powered toy. 1
20:54, 2 June 2023 Opto-isolator.jpg (file) 343 KB An opto isolator. 1
20:21, 2 June 2023 Reflective infrared sensor.jpg (file) 186 KB A reflective infrared sensor. 1
20:17, 2 June 2023 Infrared detector for infrared remote control.jpg (file) 200 KB An infrared detector for use with an infrared remote control. 1
20:06, 2 June 2023 Standard ad 3mm LEDs.jpg (file) 168 KB A standard 3mm LED and a strip of surface mount MEDs in the manufacturer's packaging. 1
15:25, 2 June 2023 Dekatron.gif (file) 56 KB A dekatron tube in operation. Derivative work of (C) Dieter Waechter The copyright holder of this file allows anyone to use it for any purpose, provided that the copyright holder is properly attributed. Redistribution, derivative work, commercial use, and all other use is permitted. 1
11:44, 2 June 2023 E-ink and OLED displays.jpg (file) 225 KB An e-ink display (left, 152x152 pixels) and an OLED display (right, 128x64 pixels). 1
11:20, 23 May 2023 Number-four.png (file) 15 KB   2
11:19, 23 May 2023 Number-seven.png (file) 15 KB   2
16:44, 18 March 2023 Low voltage power tips.jpg (file) 314 KB A set of low voltage power tips. 1
12:14, 18 March 2023 Thunderbolt Symbol.svg (file) 647 bytes Thunderbolt symbol. 1
11:15, 18 March 2023 FireWire symbol.svg (file) 1 KB FireWire symbol. 1
17:39, 17 March 2023 Mains connectors.jpg (file) 252 KB Figure-of-8, clover leaf and IEC mains connectors. 1
17:57, 15 March 2023 Modular connector.jpg (file) 151 KB A 4P4C modular plug. 1
17:53, 15 March 2023 RJ45 connector.jpg (file) 179 KB An RJ45 connector. 1
17:51, 15 March 2023 British telephone connector.jpg (file) 147 KB A British telephone connector. 1
16:50, 19 November 2022 Watch glass replacements.jpg (file) 921 KB A set of replacement watch glasses. 1
16:48, 19 November 2022 Watch glass grabber.jpg (file) 542 KB A watch glass grabber. 1
16:17, 19 November 2022 Watch battery compartment open.jpeg (file) 96 KB A watch with a simple battery compartment, open. 1
16:15, 19 November 2022 Watch battery compartment.jpeg (file) 100 KB A watch with a simple battery compartment. 1
16:13, 19 November 2022 Screwed-on watch back.jpeg (file) 110 KB A screwed-on watch back. 1
13:02, 19 November 2022 3-point watch back remover in use.jpg (file) 29 KB A 3-point watch back remover in use. 1
12:40, 19 November 2022 Screw-on watch back.jpg (file) 14 KB A screw-on watch back. Note the 6 indentations around the circumference, 2 obscured by the bracelet. 1
16:35, 14 November 2022 Watch strap holder.jpg (file) 19 KB A watch strap holder. 1
16:33, 14 November 2022 Spring bar remover.jpg (file) 34 KB A spring bar remover. 1
16:31, 14 November 2022 Link remover.jpg (file) 25 KB A watch strap link remover, and a manual one. 1
16:29, 14 November 2022 3-point case opener.jpg (file) 33 KB A 3-point case opener. 1
16:27, 14 November 2022 Case-opening knife.jpg (file) 17 KB A watch case opening knife. 1
16:26, 14 November 2022 Nylon mallet.jpg (file) 19 KB A nylon mallet. 1
16:25, 14 November 2022 Watch holder.jpg (file) 19 KB A watch holder 1
16:24, 14 November 2022 Straight and angled.jpg (file) 22 KB Straight and angled tweezers. 1
16:19, 14 November 2022 Magnetiser.jpg (file) 26 KB A magnetiser. 1
16:17, 14 November 2022 Precision screwdrivers.jpg (file) 77 KB A set of precision screwdrivers and a few separate jeweller's screwdrivers. 1
16:15, 14 November 2022 Dust puffer.jpg (file) 13 KB A puffer for blowing away dust. 1
20:01, 27 October 2022 BadPlug-8.jpg (file) 12 KB Nicked insulation 1
20:00, 27 October 2022 BadPlug-7.jpg (file) 12 KB Wrongly clamped 1
19:59, 27 October 2022 BadPlug-6.jpg (file) 12 KB Uncontrolled whiskers 1
19:58, 27 October 2022 BadPlug-5.jpg (file) 12 KB Bare wire 1
19:57, 27 October 2022 BadPlug-4.jpg (file) 12 KB Loose screw 1
19:57, 27 October 2022 BadPlug-3.jpg (file) 12 KB Live and neutral swapped 1
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