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| How to promote an USB oscilloscope to individual engineers? I am the Loto instru |
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| jiangtao.lv:
I am back again. It has been about 15 months since the last time I asked questions here. I suddenly remembered that it was time to report to you the status of this USB oscilloscope project after more than a year. Thankfully I found the login account and password for this post I recorded. About 9 months ago, my team was separated from the company and became independent. We formed a very small and very new company. I didn't know how to do it, but now I understand it a little bit, and it is gratifying that I survived, and did not disband the team and did not continue to operate. However, it has not been very good and has developed greatly. The team is still maintained at 6 people, and each person is responsible for one direction. The team that I can only support 6 people now has a little surplus. I love such a small team. The efficiency of team assistance is very high. I hope we can continue to stick to it. After a year, I will come to report the situation of our team. Including me, half of the people in the team are doing full-time R & D, which is something I think is worth persevering and showing off. The product needs time to gradually polish and improve, and it will not be perfect from the beginning. I realized this very early, so I have seen many criticisms and suggestions here, and I am not very anxious or discouraged. I set my goal so that the team can survive and continue to develop. After every week or month, the product will be improved than before. It is difficult to grasp whether there is a big progress or a small one, but I will make sure that there is progress. Because we are out of the original company, we have no energy to make a big and gorgeous website, our software engineer made a very simple web page: www.lotoins.com It ’s been a while since I could n’t remember the state of the product when I first came here to post, but it should be certain that we have newly developed the OSCH02 model with 1G equivalent sampling and a bandwidth of 100M, and added an isolated differential module. The module is used to measure hot ground and high voltage, adding three models of products that can be used on Android phones, newly developing 4-channel models, and newly developing special models for car maintenance. The functions of the software are increased more, and they are all upgraded for free, such as the decoding function of RS232, 422, 485, CAN bus, IIC bus, and the historical statistical curve of the measured quantity for Pass/Fail and fault linkage, etc. Of course, there are a lot of new features that are very detailed. I also spent a lot of energy to make some videos for explanation, there are twenty bars, but the reading is very small, probably because of language problems, I did not learn to make subtitles on youtube that can be translated online online a few days ago . Oh my god, I was stupid before, and I spent a lot of energy, and I dubbed myself in English, and then put English subtitles on the video. In addition, I went to an exhibition in Nuremberg, Germany last spring, and met the PICO team. My spoken English is a little ordinary, so I did not have very in-depth communication, but I am very grateful for my encouragement. Pico is the idol of our team. From there, I know that the boss of PICO will be here. If you see it, thank you for your attention :) |
| jiangtao.lv:
LOTO Practice Essence (8) ||Fuse Experiment This video uses LOTO oscilloscope OSC482 and current probe C05A to perform overcurrent test on two different types of fuses. One is a 200MA fuse, and the other is a 300MA resettable fuse. From the measured result curve, the latter is superior to the former. |
| jiangtao.lv:
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| jiangtao.lv:
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| gnuarm:
--- Quote from: trobbins on January 30, 2019, 09:36:41 am ---Lots of Androids around that could use a low power hardware interface via USB OTG. One less chance for mains hum to ingress if just Android battery is used. --- End quote --- That actually points out a weakness in the product, power source! I might well prefer to use this with an Android tablet or a phone. The scope gets its power from the tablet or phone via the USB port. How does power get into the system? My cell runs for only a few hours when used continuously. The scope seems to draw a similar power level so would cut the battery life in half. So an external power source would be needed. The ideal solution would be to have a separate power jack on the scope and allow it to keep the phone charged through the USB jack. This would be similar to the Raspberry Pi which has a USB jack to receive power and a USB jack connect to devices and provide them with power. I can't see the Android approach being very useful otherwise. |
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