1209/3319: add thermostat

Signed-off-by: Robert Jördens <rj@quartiq.de>

Author: jordens

1209/3919/index.md

@@ -0,0 +1,10 @@
+---
+layout: pid
+title: Thermostat
+owner: Sinara
+license: GPLv3.0, CERN OHL v1.2
+site: https://github.com/sinara-hw/Thermostat
+source: https://github.com/quartiq/thermostat-mqtt
+---
+Thermostat is a 2-channel temperature controller for NTC Thermistors and
+TEC/Peltier/resistive heating elements.