Search found 12 matches

by amb
Sun May 24, 2015 6:14 pm
Forum: DSO138
Topic: DSO138 Firmware Upgrade
Replies: 6
Views: 11278

Re: DSO138 Firmware Upgrade

Problem eventually traced to poor solder joint(s) on the UART connections. I made the mistake of haste in assembling the kit - make sure you clean the pcb with a degreaser/contact cleaner first. The white screen is normal when J1 and J2 are shorted. Updated firmware to 113-13801-040 and all working ...
by amb
Sun May 10, 2015 2:36 pm
Forum: DSO138
Topic: DSO138 Firmware Upgrade
Replies: 6
Views: 11278

DSO138 Firmware Upgrade

Hello there! I'm trying to upgrade the firmware using the guide posted in the forum but am not getting very far. I shorted out J1 & J2 - should the oscilloscope display anything when powered up as all I get is a white screen? I'm using one of these to try and talk to it:- http://www.ebay.co.uk/i...