Strange problem with O-like modules ..... any other had the same ?

[HIMNL9]

Uhm, thinking to add also a safety circuit, now (you're dangerous, you know ? ..... you're giving me too much good ideas, LOL)

Wondering if i can invent some circuit that can be used for turn on and off the heater at one temperature, and at the same time turn off the module at another temperature, using a single thermal probe or ntc, maybe with a single IC for minimize the space ..... hm, it's a decent challenge.

Let me the time to sleep on it (time to go eat something, then sleep some hours, for me) ..... maybe tonight i dream some useful circuits

 

[dr-ebert]

If you only want to heat UP, no need to go overboard with a TEC. Just use a heating coil and a temp sensor like an NTC in a simple thermostat setup (you wouldn't need tenth-degree precision).

 

[ElektroFreak]

^you should read post #15...

 

[dr-ebert]

Indeed. Well, if two people have the same idea... :wave: