add PE stick

example of how to do a software calibration on a mercury channel
with hardcoded wrong calib curve

cfg/stick/PEstick_cfg.py

@@ -0,0 +1,47 @@
+import os
+port = os.environ.get('FRAPPY_MAIN_PORT')
+
+Node('pe_stick.sinq.psi.ch',
+    'soft cal for sample T from mercury',
+    'tcp://5001',
+)
+
+Mod('itc_proxy',
+    'frappy.core.Proxy',
+    'ITC io proxy',
+    module='itc1',
+    remote_class =  'frappy_psi.mercury.IO',
+    uri = f'tcp://localhost:{port}',
+)
+
+Mod('ts_uncal',
+    'frappy_psi.mercury.TemperatureLoop',
+    'sample temperature',
+    output_module='htr_sample',
+    slot='MB1.T1',
+    io='itc_proxy',
+    tolerance=1.0,
+)
+
+Mod('htr_sample',
+    'frappy_psi.mercury.HeaterOutput',
+    'sample stick heater power',
+    slot='MB0.H1',
+    io='itc_proxy',
+)
+
+Mod('tsraw',
+    'frappy_psi.parmod.Par',
+    'sample T sensor raw value',
+    read='ts_uncal.raw',
+    unit='Ohm',
+#    export = False,
+)
+
+Mod('ts',
+    'frappy_psi.softcal.Sensor',
+    'calibrated value for ts',
+    value = Param(unit = 'K'),
+    rawsensor = 'tsraw',
+    calib = 'X133834',
+)