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 16Oct2019 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 […]

My FPGA notes

New 20Sep2019, more text 18Oct2019 in work In this note I will try to find out what might be in FPGA design for me. And if so, how. Intros 1st investigation: myStorm? A year ago a friend told me don’t think about Xilinx because it is too expensive, and don’t use their vendor tools because they are […]

My IoT box(?)

Started 7Jul2019, updated 21Sep2019 (in work) This page is in group Technology and is a blog note where I will try to find out how to have my aquarium’s temperature coming from an IoT box. Hopefully a box. Alternatively but less of IoT data via Apache on my iMac. Intro The XMOS startKIT was and the XCore-200 […]

My embedded RTOS notes

Started 8Jan2019, updated 4Sep2019 This page is in group Technology and is a blog note where I will try to have a fresh view (as of 2019) of what might be going on with concurrency and Real-Time Operating Systems (RTOS) in the small embedded systems world. Here I would think mostly of what might run on platforms […]

My subwoofer notes

Started 13June2018, updated 21Sep2018 This page is in group Technology and is a blog note about my experience with two subwoofers. One had trafo and membrane hum, the other magnetic induced iron hum. Standard Disclaimer. Plus I am no expert on audio. I grew up at a house close to a transformer station, where my father worked. […]

XC code examples

Started 2Feb2018, updated 30Apr2019 This page is in group Technology and is a blog note with some XMOS XC code examples. I also have some ported code that I thought may be placed here. I also am describing some problems.  None of this is on GitHub. I guess that the parent note is XC is C plus […]