Search found 2 matches

by surenz
Wed Jun 28, 2017 6:51 am
Forum: DSO Shell
Topic: FAQ, Tips, and Troubleshooting [Updated Oct. 11, 2017]
Replies: 13
Views: 100508

Re: FAQ, Tips, and Troubleshooting [Updated May 22, 2017]

I would suggest two additions to the firmware update guide: 1. I don't see why we need external power supply when most of TTL-USB bridges have nice 3.3V which can be used as power for the CPU during the programming. I've used it twice already and no issues so far. 2. One very important screenshot is...
by surenz
Tue Jun 27, 2017 6:49 pm
Forum: DSO Shell
Topic: Replacement R26 - R27 by regulator
Replies: 8
Views: 9313

Re: Replacement R26 - R27 by regulator

I've made the same modification but unfortunately it didn't make any difference. Might be useful when I add Li-ion with voltage booster to make the device autonomous. Be careful when adding the 79L05 as it has different pinout from 78L05 (very weird). Added some SMD capacitors instead of C11 and C14...