https://wiki.alanwalker.uk/ 2026-08-19T18:03:47+00:00 https://wiki.alanwalker.uk/ https://wiki.alanwalker.uk/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2026-08-19T12:18:04+00:00 walkeradmin (walkeradmin@undisclosed.example.com) https://wiki.alanwalker.uk/doku.php?id=check_device_i2c_address&rev=1787141884&do=diff Check Device I2C Address Aug 2026 ---------- Introduction When you attach a device on the I2C bus, even though you might know it's address, it's a great idea to run a test to see if you can read it's actual address. The achieves two things, it proves your wiring is good, because if you don't have the correct cabling, this script will fail, and it proves that the device does appear to function. text/html 2026-08-18T22:07:18+00:00 walkeradmin (walkeradmin@undisclosed.example.com) https://wiki.alanwalker.uk/doku.php?image=pico_i2c_address.png&ns=0&rev=1787090838&tab_details=history&media_do=diff&do=media <img src="https://wiki.alanwalker.uk/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=3fdfa6&amp;media=pico_i2c_address.png" alt="pico_i2c_address.png" loading="lazy" width="500" height="500" /> text/html 2026-08-18T21:51:21+00:00 walkeradmin (walkeradmin@undisclosed.example.com) https://wiki.alanwalker.uk/doku.php?id=micro_python&rev=1787089881&do=diff Micro Python Jun 2026 ---------- Micro Python Examples - Pico Here are some Micro Python programs for you to try. Please bear in mind that these examples will likely require you to build some basic hardware (A Pico with, LEDs or buttons etc) before you can test the Micro Python code itself. In the Projects Section, there will be files for building the project hardware, software and 3D print files for the casing etc. Many of these examples will work with Raspberry Pi and other RP based… text/html 2026-08-18T18:54:40+00:00 walkeradmin (walkeradmin@undisclosed.example.com) https://wiki.alanwalker.uk/doku.php?id=using_pico_with_ssd1306_based_lcd&rev=1787079280&do=diff Using Pico with SSD1306 based LCD Aug 2026 ---------- Introduction One of the things I have been really looking forward to using with the Pico is an LCD screen. The one I have purchased is quite small (0.96“) but for simple testing will be pretty useful. text/html 2026-08-17T18:56:57+00:00 walkeradmin (walkeradmin@undisclosed.example.com) https://wiki.alanwalker.uk/doku.php?id=find_pico_mac_address&rev=1786993017&do=diff Find Pico MAC Address Aug 2026 ---------- Introduction When dealing with Wifi networks, or networks in general, especaially if your WIFI has MAC Address filtering enabled, you will need the MAC Address of your Pico(s). A MAC Address is a 6 part address that looks like so: text/html 2026-08-17T18:56:43+00:00 walkeradmin (walkeradmin@undisclosed.example.com) https://wiki.alanwalker.uk/doku.php?image=pico-find-mac-address.png&ns=0&rev=1786993003&tab_details=history&media_do=diff&do=media <img src="https://wiki.alanwalker.uk/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=22371f&amp;media=pico-find-mac-address.png" alt="pico-find-mac-address.png" loading="lazy" width="500" height="500" /> text/html 2026-08-17T12:26:03+00:00 walkeradmin (walkeradmin@undisclosed.example.com) https://wiki.alanwalker.uk/doku.php?id=connect_pico_to_wifi&rev=1786969563&do=diff Connect Pico to Wifi Aug 2026 ---------- Introduction A very common activity for a Raspberry Pi Pico is to connect it to the Internet via WiFi (it has to be a Pico 1/2 'W' variant for this to work' Because a Pico does not have an OS of sorts, there is no built in UI to use to connect to WIFI, so we have to do this using a script. text/html 2026-08-17T12:25:26+00:00 walkeradmin (walkeradmin@undisclosed.example.com) https://wiki.alanwalker.uk/doku.php?image=wifi-connect-lcd.png&ns=0&rev=1786969526&tab_details=history&media_do=diff&do=media <img src="https://wiki.alanwalker.uk/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=8a6c67&amp;media=wifi-connect-lcd.png" alt="wifi-connect-lcd.png" loading="lazy" width="500" height="500" /> text/html 2026-08-17T12:05:40+00:00 walkeradmin (walkeradmin@undisclosed.example.com) https://wiki.alanwalker.uk/doku.php?image=wifi-connect-code-001.png&ns=0&rev=1786968340&tab_details=history&media_do=diff&do=media <img src="https://wiki.alanwalker.uk/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=62a565&amp;media=wifi-connect-code-001.png" alt="wifi-connect-code-001.png" loading="lazy" width="500" height="500" /> text/html 2026-08-17T11:45:23+00:00 walkeradmin (walkeradmin@undisclosed.example.com) https://wiki.alanwalker.uk/doku.php?image=wifi-logo-s.png&ns=0&rev=1786967123&tab_details=history&media_do=diff&do=media <img src="https://wiki.alanwalker.uk/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=815275&amp;media=wifi-logo-s.png" alt="wifi-logo-s.png" loading="lazy" width="500" height="500" /> text/html 2026-08-16T19:04:43+00:00 walkeradmin (walkeradmin@undisclosed.example.com) https://wiki.alanwalker.uk/doku.php?image=pico-ssd1306-wokwi.png&ns=0&rev=1786907083&tab_details=history&media_do=diff&do=media <img src="https://wiki.alanwalker.uk/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=8da690&amp;media=pico-ssd1306-wokwi.png" alt="pico-ssd1306-wokwi.png" loading="lazy" width="500" height="500" /> text/html 2026-08-16T18:30:55+00:00 walkeradmin (walkeradmin@undisclosed.example.com) https://wiki.alanwalker.uk/doku.php?image=pico-ic2-pins.png&ns=0&rev=1786905055&tab_details=history&media_do=diff&do=media <img src="https://wiki.alanwalker.uk/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=27f2f8&amp;media=pico-ic2-pins.png" alt="pico-ic2-pins.png" loading="lazy" width="500" height="500" /> text/html 2026-08-16T18:17:27+00:00 walkeradmin (walkeradmin@undisclosed.example.com) https://wiki.alanwalker.uk/doku.php?image=pico-ssd1306-wiring.png&ns=0&rev=1786904247&tab_details=history&media_do=diff&do=media <img src="https://wiki.alanwalker.uk/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=1b53d3&amp;media=pico-ssd1306-wiring.png" alt="pico-ssd1306-wiring.png" loading="lazy" width="500" height="500" /> text/html 2026-08-16T18:09:22+00:00 walkeradmin (walkeradmin@undisclosed.example.com) https://wiki.alanwalker.uk/doku.php?image=ssd1306-lcd-module.png&ns=0&rev=1786903762&tab_details=history&media_do=diff&do=media <img src="https://wiki.alanwalker.uk/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=2b0229&amp;media=ssd1306-lcd-module.png" alt="ssd1306-lcd-module.png" loading="lazy" width="500" height="500" /> text/html 2026-08-02T17:50:27+00:00 walkeradmin (walkeradmin@undisclosed.example.com) https://wiki.alanwalker.uk/doku.php?image=neopixel-knight-rider-001.mp4&ns=0&rev=1785693027&tab_details=history&media_do=diff&do=media <img src="https://wiki.alanwalker.uk/lib/images/fileicons/svg/mp4.svg" alt="neopixel-knight-rider-001.mp4" loading="lazy" width="500" height="500" /> text/html 2026-08-02T13:37:15+00:00 walkeradmin (walkeradmin@undisclosed.example.com) https://wiki.alanwalker.uk/doku.php?image=knight-rider-001.mp4&ns=0&rev=1785677835&tab_details=history&media_do=diff&do=media <img src="https://wiki.alanwalker.uk/lib/images/fileicons/svg/mp4.svg" alt="knight-rider-001.mp4" loading="lazy" width="500" height="500" /> text/html 2026-08-01T19:39:23+00:00 walkeradmin (walkeradmin@undisclosed.example.com) https://wiki.alanwalker.uk/doku.php?image=neopixel-chase-led-example-001.mp4&ns=0&rev=1785613163&tab_details=history&media_do=diff&do=media <img src="https://wiki.alanwalker.uk/lib/images/fileicons/svg/mp4.svg" alt="neopixel-chase-led-example-001.mp4" loading="lazy" width="500" height="500" /> text/html 2026-08-01T17:14:03+00:00 walkeradmin (walkeradmin@undisclosed.example.com) https://wiki.alanwalker.uk/doku.php?image=wokwi-neopixel-traffic-lights.mp4&ns=0&rev=1785604443&tab_details=history&media_do=diff&do=media <img src="https://wiki.alanwalker.uk/lib/images/fileicons/svg/mp4.svg" alt="wokwi-neopixel-traffic-lights.mp4" loading="lazy" width="500" height="500" /> text/html 2026-08-01T16:20:17+00:00 walkeradmin (walkeradmin@undisclosed.example.com) https://wiki.alanwalker.uk/doku.php?image=neopixel-traffic-light.mp4&ns=0&rev=1785601217&tab_details=history&media_do=diff&do=media <img src="https://wiki.alanwalker.uk/lib/images/fileicons/svg/mp4.svg" alt="neopixel-traffic-light.mp4" loading="lazy" width="500" height="500" /> text/html 2026-08-01T12:58:09+00:00 walkeradmin (walkeradmin@undisclosed.example.com) https://wiki.alanwalker.uk/doku.php?image=neopixel-breadboard.png&ns=0&rev=1785589089&tab_details=history&media_do=diff&do=media <img src="https://wiki.alanwalker.uk/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=4de46e&amp;media=neopixel-breadboard.png" alt="neopixel-breadboard.png" loading="lazy" width="500" height="500" />