+ * '''Peltier cells''' and '''PWM heaters'''
+
+
+=== Sensors ===
+
+ * '''A/D converters''' - Interrupt-driven, high-speed sampling and data processing
+ * '''D/A converters''' - Employing PWMs, multiplexing of multiple channels and other advanced techniques
+ * '''GPIO lines''' - Direct or multiplexed, interrupt driven, polled, etc.
+
+ * '''NTCs''', '''Thermo-couples''' - Temperature control
+ * '''Photocells''' - Light intensity measurement
+