Search found 2 matches

by HPB
Sun Oct 04, 2020 11:24 am
Forum: Project / Soldering
Topic: Lead-free Solder 50g Reel (HCCONS0010)
Replies: 2
Views: 1647

Re: Lead-free Solder 50g Reel (HCCONS0010)

Lead free is one solder to shy away from if your project is going spend extended operational life. Some space satellites failed with parts supplied from the EU as these must be RoHS compliant. Why the failure? There's this phenomenon not well understood "Tin Whiskers". This came to my notice when le...
by HPB
Thu Aug 01, 2019 4:41 am
Forum: Adaptor
Topic: CH340 USB to TTL Serial Adaptor (HCMODU0076)
Replies: 5
Views: 30070

Re: CH340 USB to TTL Serial Adaptor (HCMODU0076)

Same old issues with this adapter, when you select 3V3 mode, you still get 5V on the TTL UART pins and recently bought two hoping this issue had been resolved, but goodness no! typical of these far-Eastern manufactures. My ESP12 stopped working with this particular adapter connected, that's when it ...