About this website
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During the development of the Maxun One solar bike, I constantly needed special equipment, parts and software, and so I rolled from one project to another. In September 2010, I started this website where I share my ideas and designs with the world.
Advanced fuse saving dual pulse spotwelder controller
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This advanced controller is used by many people and has a unique reduced inrush current circuit that prevents main fuse blow up.
Read more: Advanced fuse saving dual pulse spotwelder controller
DIY battery tab spot welder
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I have developed the D.I.Y spot welder because I needed a special spot welder for the building of my Maxun One solar bike. It turned out that the spot welder is being built by many people worldwide, so I have published here the entire building project.
SAM 15x15mm *) Arduino Zero compatible SAMD21 board
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The SAM 15x15 is a very small Arduino development board, with the same powerful controller as the Arduino Zero: the SAMD21G18.
All I/O pins are used: despite the small size, it has more I/O pins than the Arduino Zero or SAMD21 Mini/Dev Breakout: 34 instead of 21. Due to the very small dimensions it will fit easily into all embedded electronic projects, even in microdrones.
Read more: SAM 15x15mm *) Arduino Zero compatible SAMD21 board
The best Arduino switch and button debounce library with longPress and doubleClick
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Switches and push buttons need debouncing. It is straightforward to do this with software, using a library. The advantages of the Switch library are:
Read more: The best Arduino switch and button debounce library with longPress and doubleClick
Self-clamping 1x6 mini ISP without Pogo pins
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An Arduino ISP connector is used, among others, for burning a bootloader and for programming ATtiny chips. When the ISP connector is only used once for programming, and than never again, it would be more convenient not to use a connector.
S-KU63 e-bike motor controller
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To be able to modify and repair the Chinese S-KU63 e-bike motor controller I have redesigned it. The S-KU63 may also give insight into other Chinese motor controllers. Note that the S-KU63 is the successor of the KU63.
Bosch Active Line 3 mid-drive motor tear down
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For my solar powered bicycle, the Maxun One, I designed a very powerful and lightweight mid-drive motor. I also wanted to investigate whether I could use a Bosch Active Line 3 motor. The Bosch motor weight is 2975g, this is relatively lightweight for a mid-drive motor, but it is still too heavy for my solar bike.
PCB manufacturing tips
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Cheap PCB manufacturing in China
I’m an inventor and regularly make electronics prototypes, nowadays this can be done with low costs in China.
DIY SMD solder paste micro-dot syringe dispenser
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To build the dispenser, we just need a 1mL injection syringe, a wooden stirrer, a glue gun and strong yarn. Drill 1.5mm holes in the wooden stirrer for the yarn.
Cheap DIY precision voltage current reference standard
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I have developed a cheap multimeter calibration reference by which you can calibrate a digital multimeter yourself. Here we calibrate my favorite multimeter, the PeakTech 2010, it has a lot of features and it cost just €35.
Read more: Cheap DIY precision voltage current reference standard
My inventions
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These are my inventions up to now, see also the inventions in the pipeline. If you are interested, please contact Business Partners.
My todo list
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I have inventoried my on-going projects, because I honestly speaking lost the overview. I had started many projects but many of them are on-hold because they, on closer inspection, cost years to finish and in the meantime other things had become more important and I keep getting interesting new ideas.
Do you have any comments about the website or problems with shopping? Please let me know.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.