Spot welder parts for sale
You can order here a high quality PCB of the spot welder controller, a programmed ATMEGA328 Arduino chip and some parts that are hard to get. So you don't have to know anything about the Arduino, software or electronics.
Just the bare PCB is supplied, without the components. To make it easy, only standard parts are used that every electronic (e)shop should have, see the partlist.
Spot welder features
A fine-spot welder is one of the few equipment where building yourself is cheaper than buying. There are already published a lot of DIY spot welders, this one has some unique features:
Een van de mooiste fietstochten die ik heb gemaakt is de fietsroute lang de Maas van Maastricht naar Sedan in Frankrijk. Eerst stroomt de Maas nog door het vuile industriegebied van Seraing, maar stroomopwaarts wordt het stroomgebied steeds natuurlijker.
Cheap precision multimeter calibration reference
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.
To be able to modify and repair the Chinese KU63 e-bike motor controller I have redesigned it. The KU63 may also give insight into other Chinese motor controllers.
Switches and push buttons need debouncing. It is straightforward to do this with software, using a library. The advantages of the Switch library are: