![]() The idea of running the TEC from 12V separate source. I'm guessing we can run at 8V minimum ok.allowing for small irregularities and mfgr part spec differences. Yet this depends on mfgr spec sheets (could also change with mfgrs).ST 2016 sheets say this but their 2009 sheets say 1.7 LDO across the board! The lower 3.3V and 5V LDOs (from ST) appear have 2.0V drop out LDO while others have a 1.7V LDO. We would also need to use a common ground for both, somehow. It would greatly reduce the heat generation on the PCB but we would need an extra pin. Brendan, what do you think about modifying the PCB to have a separate power supply for the Peltier? That way we could use 12V or even 16V for the Peltier and 7-ish V for the rest of the circuit (I forgot what the real minimum is, will have to confirm on the Ukrainian forums). ![]() Once I won a bet by desoldering 100-QFP chip with just ChipQuik and a soldering iron :)ģ. It works well even with just a soldering iron and no heat gun. Brendan, ChipQuik is the weapon of my choice. PCB manufacturing usually takes 2-3 days only.Ģ. DHL will deliver within 2-3 days, HK post within 4-6 weeks. I got proper quotes for the PCB manufacture from PCBway. Thank you for clearing up several things on the Ukrainian forum as they answered some questions that I had as well.ġ.
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