RestructurisationHEADmaster

1 files changed, 13 insertions, 5 deletions

diff --git a/Readme.md b/Readme.md
index 5bd405f..0c0f5c7 100644
--- a/Readme.md
+++ b/Readme.md
@@ -4,9 +4,9 @@ and feeds it to MQTT on a wireless connection.
 
 Before you can use it you need to:
 - connect onewire sensor to Pico,
-- set up MQTT broker on a server uneder your control,
+- set up MQTT broker on a server,
 - optionally, but highly advisable, setup ntpd server in local network,
-- set up certificates,
+- set up certificates (check out the MQTT_for_pie repo),
 - provide settings in config.py. Skeleton in config.py.example
 
 Notes:
@@ -14,8 +14,16 @@ Notes:
 In order to test Pico, best use Thonny.
 At the time of writing this (Jun 2024), you won't be able to see live
 interpreter in PyCharm
-Device path is /dev/ttyACM0
-To connect to it, add your user to dialout group. 
+You will need kernel config options enabled:
+    (Most likely:)
+    CONFIG_USB_SERIAL_GENERIC
+    CONFIG_USB_SERIAL_SIMPLE
+    (Definitely:)
+    CONFIG_USB_ACM
+
+Device path should be /dev/ttyACM0
+
+To connect to it, add your user to dialout group.
 Alternatively change permissions on that device to something like:
 chmod o+rw /dev/ttyACM0
 Or change owner on that device to your user
@@ -27,7 +35,7 @@ led = Pin("LED", Pin.OUT)
 Before using tls (mosquitto, requests) you'll need to set time, for instance:
 import ntptime
 ntptime.settime()
-Be aware that default timeout on a socket there is 1 second, which may not be enough.
+Be aware that default timeout on a socket is 1 second, which may not be enough.
 I'm using usocket directly so that I can set timeout to a larger value.
 The hard part is to deal with timeout from ntp server.
 I managed to cut down timeouts drastically by running my own ntp server on local network.