Have you considered the possibility of learning electronica? Do not know where to start? In this application you will find the necessary courses to get fully into the world of electronics step by step and easily as it has tutorials where you learn basic electronics and other concepts such as learning to read electronic diagrams service manuals or shematics. And if what you need is to practice there are also courses with theory and easy practice to follow.
If you are a beginner in this matter do not worry since the courses of this APP are designed for beginners and designed so that you can learn step by step everything related to basic electronics. You will even consider learning electronic engineering because here they explain the reasons for getting into such engineering and learn a trade with many professional opportunities.
But if you just want to learn certain issues such as measuring resistance or welding with caution this is your application because it also has tutorials and courses to see graphically and easily how to do it. Do not be discouraged if you are a beginner in these subjects since you will be able to learn easily with the courses with practices that you will find here.
They are tutorials to learn basic engineering where concepts such as measuring resistance or welding will be the most simple. And all with this free app that is continuously updated. Do not stop downloading it and you can measure resistances and weld without any problem like a real professional.