tottekarlsson
New Member
Hi, I have a project where I need to control the temperature in a box, by a computer. I have found a control board with 8 bit analog input and output. I will measure the temperature using a thermocouple or alike, and control the temperature with heat resistors. The problem I have is that the analog output from the board, 0 to 5V, output resistance 1K5, can only supply like 50 mA.
I need more power than that, say 20 W. So I need a circuit that can be powered and that takes the 0-5V input and have a proportional output, allowing more power. Is this something simple?
Any helpers?
Thanks,
Totte
I need more power than that, say 20 W. So I need a circuit that can be powered and that takes the 0-5V input and have a proportional output, allowing more power. Is this something simple?
Any helpers?
Thanks,
Totte
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