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Uploads by Hal

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Date Name Thumbnail Size Description Versions
13:18, 2026 July 6 Gruffalo With Beetronics.jpg (file) 2.57 MB Refreshed Gruffalo piece. Now uses Beetronics display with custom mounting brackets, dedicated 5V power supply for Raspberry Pi 3A, and standoffs securing Pi to the wall of the enclosure. 1
15:17, 2024 April 19 MW Install problem.png (file) 73 KB   1
13:35, 2024 April 14 Footest1.jpg (file) 3.49 MB Image of computer with Raspberry Pi boot messages 1
20:18, 2024 March 27 Thomas Bunn House Telephone Interaction.jpg (file) 692 KB   1
00:11, 2024 March 27 Bunn Phone - Magnet in Crank Gear.jpg (file) 3.09 MB Neodymium magnet holder to trigger Hall sensor when hand crank is run. 1
12:16, 2023 December 20 CHS HW-06.jpg (file) 205 KB   1
12:16, 2023 December 20 CHS HW-05.jpg (file) 224 KB   1
12:16, 2023 December 20 Offline Museum Kiosk With MediaWiki and Raspberry Pi.jpg (file) 239 KB   1
12:16, 2023 December 20 CHS HW-03.jpg (file) 231 KB   1
12:15, 2023 December 20 CHS HW-02.jpg (file) 209 KB   1
12:15, 2023 December 20 CHS HW-01.jpg (file) 211 KB   1
18:35, 2023 October 18 Piano-05.jpg (file) 221 KB Selkirk Marine Museum Piano project, internal electronics view showing bottom of circuit board and 3D printed board standoff. 1
18:32, 2023 October 18 Piano-04.jpg (file) 240 KB Selkirk Marine Museum Piano project, internal electronics view, top-down. Motion detection using RCWL-0516 microwave doppler module, Raspberry Pi Pico (RP2040) MCU, and DFPlayer-mini MP3/WAV player module, speaker is a Dayton Audio DAEX25 exciter. RCWL-0516 is on mast that lifts it from the circuit board and allows it to be pointed to increase/decrease sensitivity. 1
18:31, 2023 October 18 Selkirk Marine Museum Piano.jpg (file) 217 KB Selkirk Marine Museum Piano project, internal electronics view. Motion detection using RCWL-0516 microwave doppler module, Raspberry Pi Pico (RP2040) MCU, and DFPlayer-mini MP3/WAV player module, speaker is a Dayton Audio DAEX25 exciter. RCWL-0516 is on mast that lifts it from the circuit board and allows it to be pointed to increase/decrease sensitivity. 1
18:28, 2023 October 18 Piano-02.jpg (file) 237 KB Selkirk Marine Museum Piano project, internal speaker view. Speaker is a Dayton Audio DAEX25 exciter. 1
18:25, 2023 October 18 Piano-01.jpg (file) 216 KB Selkirk Marine Museum Piano project, internal electronics view. Motion detection using RCWL-0516 microwave doppler module, Raspberry Pi Pico (RP2040) MCU, and DFPlayer-mini MP3/WAV player module. 1
16:01, 2023 October 3 Marine Museum Piano - sensor pivot.stl (file) 45 KB 3/3 printed parts for Marine Museum Piano. 1
16:01, 2023 October 3 Marine Museum Piano - board stand.stl (file) 254 KB 2/3 printed parts for Marine Museum Piano. 1
16:01, 2023 October 3 Marine Museum Piano - board bracket.stl (file) 404 KB 1/3 printed parts for Marine Museum Piano. 1
15:59, 2023 October 3 SL-Marine Museum Piano.txt (file) 12 KB Marine Museum Piano MicroPython code for Raspberry Pi Pico (RP2040) 1
21:40, 2023 May 31 SL-BunnPhone.txt (file) 13 KB Tested and current running version (as of 2023-05-31) that should be delivered with the phone when it is dropped off. 1
21:27, 2023 May 31 BunnPhone-SwitchConnection2.jpg (file) 439 KB Thomas Bunn House phone, earpiece switch connection to L2 screw terminal on phone. 1
21:26, 2023 May 31 BunnPhone-SwitchConnection1.jpg (file) 656 KB Thomas Bunn House phone, alligator clip connection to earpiece switch. Held in place by clip spring and by friction from other switch contacts. 1
21:25, 2023 May 31 BunnPhone-SpeakerConnection.jpg (file) 389 KB Thomas Bunn House phone, alligator clips on earpiece terminals. Electrical tape used to hold insulation in place. 1
21:24, 2023 May 31 BunnPhone-Right.jpg (file) 654 KB Thomas Bunn House phone, right view (shows crank). 1
21:24, 2023 May 31 BunnPhone-Left.jpg (file) 618 KB Thomas Bunn House phone, left view. 1
21:24, 2023 May 31 BunnPhone-HallMagnet.jpg (file) 541 KB Thomas Bunn House phone crank wheel with magnet for Hall sensor wired in place. 1
21:23, 2023 May 31 BunnPhone-EnclosureLEDs.jpg (file) 729 KB Thomas Bunn House phone electronics enclosure with heartbeat (green) and sound playing (blue) LEDs lit. 1
21:22, 2023 May 31 BunnPhone-DoorInside.jpg (file) 848 KB Thomas Bunn House phone door inside view including reference card. 1
21:21, 2023 May 31 BunnPhone-CabinetInside.jpg (file) 858 KB Thomas Bunn House phone, inside cabinet showing final electronics. 1
21:21, 2023 May 31 BunnPhone-Board.jpg (file) 598 KB Thomas Bunn House phone electronics board with Raspberry Pi Pico (RP2040) and DFPlayer Mini MP3 board. 1
21:19, 2023 May 31 BunnPhone-Back.jpg (file) 643 KB View of the back of the Thomas Bunn House phone with the hole and channel for the original wiring. 1
20:54, 2023 May 30 BunnPhoneReferenceCard-Final.png (file) 141 KB Reference card to be put inside the door of the Bunn House phone. Shows basic layout, operation, and error codes. 1
16:27, 2023 March 21 InternalPhone counter 230321 162149.jpg (file) 780 KB Some ideas for the Internal:Phone counter page, filename InternalPhone counter_230321_162149.jpg 1
19:32, 2022 June 15 MotorDriverProto2022-06-15.png (file) 513 KB Schematic for very simple MOSFET motor driver with optoisolator to protect Raspberry Pi GPIO pin. 1
11:48, 2022 May 18 Mpu output-01.png (file) 9 KB Output of a simple MicroPython program that reads an MPU-6050 accelerometer/gyro/temperature sensor. 1
17:21, 2022 May 7 Squirrelslair logo OLED.jpg (file) 75 KB Image of the Squirrel's Lair logo on a white OLED display. 1
17:17, 2022 May 7 Xbm export.png (file) 14 KB Screenshot from the GIMP, showing the .xbm export dialog. 1
17:15, 2022 May 7 Squirrelslair resized 32x27-1bpp.png (file) 182 bytes Logo for The Squirrel's Lair, reduced to a resolution of 32x27px and set to 1 bit per pixel (mono colour). 1
17:13, 2022 May 7 Squirrelslair resized 32x27.png (file) 1 KB Logo for The Squirrel's Lair, with lowered resolution (32x27px) 1
17:09, 2022 May 7 Squirrelslair orig.png (file) 306 KB Logo for The Squirrel's Lair, red squirrel holding a hex nut on a white background. 1
18:23, 2022 February 1 20220201 171620.jpg (file) 4.42 MB Picture of Raspberry Pi Pico RP2040 and MAX98357A module on a breadboard and connected to a speaker and reset switch. 1
13:36, 2022 January 11 Micro-sd card adapter pico connected.jpg (file) 706 KB Typical connection between Raspberry Pi Pico and micro-SD card adapter board, using default SPI0 pins on the Pico. 1
13:34, 2022 January 11 Micro-sd card adapter 3V3 regulator.jpg (file) 319 KB Micro-SD card adapter board closeup with 3.3V regulator (AMS1117-3.3) indicated. 1
13:32, 2022 January 11 Micro-sd card adapter and pico.jpg (file) 632 KB Micro-SD card adapter board with Raspberry Pi Pico on left for scale. 1
11:48, 2022 January 11 Signal Generator Case Lid 02.stl (file) 77 KB STL file for Square Wave Generator Lid. 1
22:25, 2022 January 10 Square wave gen scale.jpg (file) 558 KB Image of Square Wave Generator with finger and ruler to show scale. 1
20:41, 2022 January 9 Signal Generator Case 02.stl (file) 63 KB STL file for case that fits the square wave generator board. 1
18:31, 2022 January 8 Square wave gen done.jpg (file) 46 KB Square Wave Generator from Universal-Solder installed in case, external wires connected to terminal blocks, and in use. Running at 120Hz and 10% duty cycle. 1
18:28, 2022 January 8 Square wave gen board soldered.jpg (file) 51 KB Square Wave Generator board soldered to wires leading to terminal blocks and ready to be pressed into case. 1
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