My aquarium notes My USB watchdog (and relay output) box My aquarium holiday automatic fish feeder (for granules) My aquarium’s data radioed through the shelf


Water temp deg C: Uptime hours: Here’s the code: <form>Water temp deg C: <input name=”temp_degc” type=”text” /> Uptime hours: <input name=”uptime_hours” type=”text” /></form> See f.ex. See html “input” field “update” from my home machine (or similar)? on the forum

My aquarium notes

Started 24Jul2018 – updated 24Mar2020 This page is in group Hobby and will become a blog note about my little aquarium. It has been two years since I introduced fishes now. Overview Camera: Panasonic Lumix DMC-TZ100. The main picture above is shot on a tripod 2.4 m away under rather dark conditions since the aquarium is behind a […]

My aquarium’s data radioed through the shelf

Started 23Dec2017. Updated 1Aug2019 This page is in group Technology. The My WiFi101 library port or an Ethernet based web server was not implemented following this work. I also did not use the Bluetooth Low Energy (BLE) suggestion as discussed in Me relying on relaying BLE? I went for the simpler (?) packet radio solution discussed here. There is […]


ALL TECHNOLOGY NOTES  Hands-on A LED string dissected My XMOS pages My FPGA pages AQUARIUM My Zephyr RTOS notes My SIGLENT scope log Not so blocking after all Pike & Sutter: Concurrency vs. Concurrency Nondeterminism


Last edited notes on top of list 24Mar2020 In these corona times I start the day by looking at something beautiful like My “Day’s End” by Jane Hart reflection. Find your beautiful thing! SBB Historic: Schaltplan – two circuit diagrams of the Ce 6/8 III crocodile My Krokis notes – Slik styrer han akvariet sitt med […]


Started 17Feb2020, updated 27Mar2020 Resource page for article Slik styrer han akvariet sitt med XC (This is how he controls his aquarium with XC) Svar på en kommentar: “Den ble litt lang, ja. Men jeg ønsket at de som først trigget på innholdet skulle få igjen for “strevet”. Og om du kjøper et kort og […]

My materials science notes

Started 13Dec2019. Updated 19Jan2020. Only a scratchpad at the moment. I am a happy materials science amateur. It is a very interesting theme: to tell about my experiences with different materials. However, it remains to be seen how this note ends. Observe Standard disclaimer since I mention companies and products here. Alphabetical list Acrylic boxes (or […]

My XMOS pages

My XMOS notes (including My gut feeling right now and XMOS series of processors) XC is C plus X My xCORE-200 eXplorerKIT notes (WiFi) My single-board boards and why notes My Piggyback WiFi1500 sliceCARD My Git/GitHub notes My WiFi101 library port Me relying on relaying BLE? My aquarium’s data radioed through the shelf XC code examples My aquarium […]