From 13c5a228c9ec9881087bdddd162f3b633edc3aa5 Mon Sep 17 00:00:00 2001 From: Damien George Date: Mon, 29 Aug 2016 12:52:50 +1000 Subject: docs/esp8266: Update quickref and tutorial for OneWire/DS18X20 driver. --- docs/esp8266/tutorial/onewire.rst | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'docs/esp8266/tutorial') diff --git a/docs/esp8266/tutorial/onewire.rst b/docs/esp8266/tutorial/onewire.rst index c90044b7a8..c2cede9e38 100644 --- a/docs/esp8266/tutorial/onewire.rst +++ b/docs/esp8266/tutorial/onewire.rst @@ -6,19 +6,19 @@ The 1-wire bus is a serial bus that uses just a single wire for communication is a very popular 1-wire device, and here we show how to use the onewire module to read from such a device. -For the following code to work you need to have at least one DS18B20 temperature +For the following code to work you need to have at least one DS18S20 or DS18B20 temperature sensor with its data line connected to GPIO12. You must also power the sensors and connect a 4.7k Ohm resistor between the data pin and the power pin. :: import time import machine - import onewire + import onewire, ds18x20 # the device is on GPIO12 dat = machine.Pin(12) # create the onewire object - ds = onewire.DS18B20(onewire.OneWire(dat)) + ds = ds18x20.DS18X20(onewire.OneWire(dat)) # scan for devices on the bus roms = ds.scan() -- cgit v1.2.3