User contributions for Hal

2022 April 10

• 11:2311:23, 2022 April 10 diff hist +417‎ Internal:Orkadian Book Reading Display ‎ →‎change to Pi B+ ?
• 11:1511:15, 2022 April 10 diff hist +90‎ m Internal:Orkadian Book Reading Display ‎ →‎Log

2022 February 18

• 18:4218:42, 2022 February 18 diff hist +1,370‎ N Internal:MIT License Template ‎ MIT License Template

2022 February 1

• 16:2816:28, 2022 February 1 diff hist +4,735‎ N Raspberry Pi Pico (RP2040) I2S WAV Sound Player ‎ Created page with "{{TidBit |shortDescription=Play WAV files over I2S using a Raspberry Pi Pico (RP2040) and MAX98357A |skillSet=Arduino; Electronics; Python; Raspberry Pi |featured=Yes }} The Raspberry Pi Pico is a very capable device but it doesn't have an I2S bus. That's where its PIO capabilities come in handy. There don't seem to be as much information out there for PIO in MicroPython but it wasn't hard to adapt it from the C/C++ examples. Learned a lot doing this - got a basic gra..." current
• 16:2316:23, 2022 February 1 diff hist +131‎ N File:20220201 171620.jpg ‎ Picture of Raspberry Pi Pico RP2040 and MAX98357A module on a breadboard and connected to a speaker and reset switch. current

2022 January 18

• 22:5522:55, 2022 January 18 diff hist +2,380‎ N Extract Images From a Video With FFMPEG ‎ Using FFmpeg to extract frames from a source video current

2022 January 13

• 16:0716:07, 2022 January 13 diff hist +2,215‎ N Automate Key Presses With Arduino ‎ Created page with "{{TidBit |shortDescription=Looking to automate key and/or mouse combinations? Do it with an Arduino! |skillSet=Arduino |featured=Yes }} There are libraries for Arduino that will let you use any 32u4 or SAMD-based Arduino (Leonardo, Pro Micro, etc) as a keyboard and/or mouse device, and it's simple to use. Say you're need to wiggle and left-click your mouse every five minutes for some reason. This would do the trick: <nowiki> #include<Mouse.h> Mouse.begin(); voi..."
• 13:3813:38, 2022 January 13 diff hist +1,977‎ N Raspberry Pi 4/400 Flash Codes ‎ Created page with "{{TidBit |shortDescription=The green (ACT) LED on a Raspberry Pi 4 and 400 can indicate what's causing boot problems. |skillSet=Raspberry Pi |featured=Yes }} If you're having trouble with your Raspberry Pi 4 or 400 not booting, usually the culprit is a bad power supply or problems with the SD card or image. If you've confirmed that the power supply is good and it's not even showing the usual power-on screen, check to see if the green LED is flashing - it could be giving..." current

2022 January 12

• 07:3507:35, 2022 January 12 diff hist −1‎ Internal:Using Generic Micro-SD Card Reader With Raspberry Pi Pico ‎No edit summary

2022 January 11

• 11:3911:39, 2022 January 11 diff hist +2,530‎ Internal:Using Generic Micro-SD Card Reader With Raspberry Pi Pico ‎No edit summary
• 11:3611:36, 2022 January 11 diff hist +128‎ N File:Micro-sd card adapter pico connected.jpg ‎ Typical connection between Raspberry Pi Pico and micro-SD card adapter board, using default SPI0 pins on the Pico. current
• 11:3411:34, 2022 January 11 diff hist +94‎ N File:Micro-sd card adapter 3V3 regulator.jpg ‎ Micro-SD card adapter board closeup with 3.3V regulator (AMS1117-3.3) indicated. current
• 11:3211:32, 2022 January 11 diff hist +83‎ N File:Micro-sd card adapter and pico.jpg ‎ Micro-SD card adapter board with Raspberry Pi Pico on left for scale. current
• 09:5309:53, 2022 January 11 diff hist +229‎ Internal:Universal-Solder Programmable Square Wave Generator ‎ →‎Model
• 09:4809:48, 2022 January 11 diff hist +53‎ N File:Signal Generator Case Lid 02.stl ‎ STL file for Square Wave Generator Lid. current
• 08:0408:04, 2022 January 11 diff hist −461‎ Internal:Universal-Solder Programmable Square Wave Generator ‎No edit summary

2022 January 10

• 22:5422:54, 2022 January 10 diff hist +2,330‎ N Internal:Using Generic Micro-SD Card Reader With Raspberry Pi Pico ‎ Created page with "{{Project |shortDescription=Having trouble getting one of those generic micro-SD card readers to talk with your Pico (or possibly other microcontroller)? This may help. |longDescription=There are dozens or hundreds or thousands of them out there - all blue rectangles with six pins, a push-push micro-SD connector, and "Micro SD Card Adapter" on the back. Every time I use one I need to figure out how to use them all over again. Now I'm writing it down! |geekery=The problem..."
• 21:2421:24, 2022 January 10 diff hist +139‎ Internal:Universal-Solder Programmable Square Wave Generator ‎No edit summary
• 20:3020:30, 2022 January 10 diff hist +190‎ Internal:Universal-Solder Programmable Square Wave Generator ‎No edit summary
• 20:2520:25, 2022 January 10 diff hist +81‎ N File:Square wave gen scale.jpg ‎ Image of Square Wave Generator with finger and ruler to show scale. current

2022 January 9

• 18:4118:41, 2022 January 9 diff hist +74‎ N File:Signal Generator Case 02.stl ‎ STL file for case that fits the square wave generator board.

2022 January 8

• 17:0517:05, 2022 January 8 diff hist +863‎ Internal:Universal-Solder Programmable Square Wave Generator ‎No edit summary
• 16:3116:31, 2022 January 8 diff hist +170‎ N File:Square wave gen done.jpg ‎ 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. current
• 16:3016:30, 2022 January 8 diff hist +156‎ N File:Square wave gen lid on.jpg ‎ Square Wave Generator and terminal blocks installed in case with lid on. The four buttons to control the frequency and duty cycle are exposed.
• 16:2916:29, 2022 January 8 diff hist +77‎ N File:Square wave gen case and lid.jpg ‎ Square Wave Generator 3D printed case and lid sitting on bench.
• 16:2816:28, 2022 January 8 diff hist +121‎ N File:Square wave gen board soldered.jpg ‎ Square Wave Generator board soldered to wires leading to terminal blocks and ready to be pressed into case. current
• 16:2716:27, 2022 January 8 diff hist +119‎ N File:Square wave gen blocks done.jpg ‎ Square Wave Generator case with terminal blocks installed and wire fed through, ready to solder to board.
• 16:2616:26, 2022 January 8 diff hist +67‎ N File:Square wave gen block solder.jpg ‎ 5.00-3P terminal block with 26ga wire soldered to it.
• 16:2516:25, 2022 January 8 diff hist +104‎ N File:Square wave gen block install 1.jpg ‎ Square Wave Generator - terminal block installed with wires fed through holes in the case.
• 16:2416:24, 2022 January 8 diff hist +82‎ N File:Square wave gen almost done.jpg ‎ Square wave generator board wired up to terminal blocks and in case.
• 16:2316:23, 2022 January 8 diff hist +103‎ N File:Square wave gen board.jpg ‎ Square Wave Generator board from Universal-Solder. Board is bare and laying on workbench.
• 01:1601:16, 2022 January 8 diff hist +2,928‎ N Internal:Universal-Solder Programmable Square Wave Generator ‎ 3D printed enclosure and termial blocks for ease of use of square wave generator board

2021 December 16

• 22:5322:53, 2021 December 16 diff hist +3,119‎ N BN-220/BN-880 GPS Module ‎ Using Micropython to capture the serial output of a BN-220 or BN-880 GPS module

2021 December 6

• 12:1512:15, 2021 December 6 diff hist −1‎ m Calibry 3d Scanner ‎No edit summary current

2021 December 5

• 18:2318:23, 2021 December 5 diff hist −3‎ About the Lair ‎ →‎Hal
• 14:4714:47, 2021 December 5 diff hist −27‎ About the Lair ‎ →‎What don't you do?

2021 December 4

• 15:5215:52, 2021 December 4 diff hist +48‎ About the Lair ‎No edit summary
• 15:5115:51, 2021 December 4 diff hist +13‎ About the Lair ‎No edit summary
• 15:4915:49, 2021 December 4 diff hist +27‎ About the Lair ‎No edit summary
• 15:4815:48, 2021 December 4 diff hist +78‎ N File:Tina-RESIZED.jpg ‎ Tina from the Squirrel's Lair, trying out a bike she just fixed. current
• 15:4115:41, 2021 December 4 diff hist +90‎ N File:Hal-RESIZED.jpg ‎ Hal, doing some welding to install metal security fences out in the country. current
• 15:2315:23, 2021 December 4 diff hist +15‎ About the Lair ‎No edit summary
• 15:2115:21, 2021 December 4 diff hist +56‎ N File:Tawny-RESIZED.jpg ‎ Tawny, the shop dog of the Squirrel's Lair current
• 14:5914:59, 2021 December 4 diff hist +3,068‎ N About the Lair ‎ Created page with "==About The Squirrel's Lair== ===What is the Squirrel's Lair?=== The Squirrel's Lair is a team who enjoy making peoples' lives easier by providing services to help solve their problems. ===Really? What kinds of problems?=== That's a great question. Do you have an idea that you're having trouble turning into a real thing? Do you have a problem that you've thrown time, frustration, and money at but haven't been able to solve? We may be able to help. ===That's not part..."

2021 November 10

• 18:4018:40, 2021 November 10 diff hist 0‎ m Internal:Squirrelslair.ca site ‎ →‎Target Audience
• 18:1618:16, 2021 November 10 diff hist +11‎ Remote, off-grid monitoring and automation ‎No edit summary
• 12:0012:00, 2021 November 10 diff hist +1,548‎ N Remote, off-grid monitoring and automation ‎ A system of small, low-power, inexpensive microcontrollers and cameras based on the ESP32 platform to monitor and record trespassers/vandals/thieves

2021 November 9

• 12:5612:56, 2021 November 9 diff hist +266‎ m Internal:LinkedIn ‎ →‎Content
• 12:5312:53, 2021 November 9 diff hist +350‎ m Internal:LinkedIn ‎ →‎Content
• 12:4712:47, 2021 November 9 diff hist +172‎ m Internal:Squirrelslair.ca site ‎ →‎Question - Traffic Tracking