From 5ba74c6d9bddfe07afac494a3ec1bc1e225f1867 Mon Sep 17 00:00:00 2001 From: topquark12 Date: Mon, 6 Jun 2022 21:28:30 +0800 Subject: [PATCH] README: Correct expected TEC polarity Adhere to the general convention of TECs cooling down with positive voltages. --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index 88ed2ec..8cc022b 100644 --- a/README.md +++ b/README.md @@ -184,7 +184,7 @@ postfilter rate can be tuned with the `postfilter` command. - Connect TEC module device 1 to TEC1- and TEC1+. - The GND pin is for shielding not for sinking TEC module currents. -When using a TEC module with the Thermostat, the Thermostat expects the thermal load (where the thermistor is located) to heat up with a positive software current set point, and cool down with a negative current set point. +When using a TEC module with the Thermostat, the Thermostat expects the thermal load (where the thermistor is located) to cool down with a positive software current set point, and heat up with a negative current set point. Testing heat flow direction with a low set current is recommended before installation of the TEC module.