From 077c50a24726c6ab0d9ba0a00a779fe23cbbc6c5 Mon Sep 17 00:00:00 2001 From: Edward Emelianov Date: Fri, 24 Apr 2015 17:10:50 +0300 Subject: [PATCH] fixed bug with 4-digit themperatures --- .../3_digit_voltmeter_as_thermometer/README | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 voltmeters/3_digit_voltmeter_as_thermometer/README diff --git a/voltmeters/3_digit_voltmeter_as_thermometer/README b/voltmeters/3_digit_voltmeter_as_thermometer/README new file mode 100644 index 0000000..d24c791 --- /dev/null +++ b/voltmeters/3_digit_voltmeter_as_thermometer/README @@ -0,0 +1,20 @@ +Look schematic in directory kicad + +If you want to measure simply one point, just connect DS18B20 or DS18S20. Thermometer is polling each 1 second. + +By pressing "Store new rom" button you can save ROM of connecter thermometer in EEPROM of STM8. +Saving several ROMs & connecting after that all thermometers you will be able to see themperature in each +point: for 0.3 seconds will be displayed sensor number (you will see it when press "store" button) after for 0.7s +will be displayed themperature. + +Press "delete nonexistant" to delete ROMs of not connected thermometers + +Press "delete all" to delete all ROMs stored. + + +DISPLAYER ERRORS: + --- - starting + e00 - Not found any DS18x20 (broken wire?) + eab - Error when read (or sensor with that number is absent) + eee - strange EEPROM error + eff - can't store last ROM: no space left or EEPROM error