Quelltext der Seite ESP8266

__NOTOC__
= ESP8266 =
== Allgemeines ==
Links:
* http://www.instructables.com/howto/ESP8266/

== MH-Z19B ==
{| border="1" cellpadding="2" cellspacing="0"
| Nr
| Pin
| Funktion
|-
| 1
| Vo
| Analog output (0.4~2V) or (0~2.5V)
|-
| 2
| Rx
| UART(RXD)TTL Level data input
|-
| 3
| Tx
| UART(TXD)TTL Level data output
|-
| 4
| SR
|  
|-
| 5
| HD
| HD(zero calibration,low level lasting for over 7s under low level is effective)
|-
| 6
| Vin
| Vin(4.5~5.5V DC)
|-
| 7
| GND
| Ground
|-
| 8
| AOT
|  
|-
| 9
| PWM
| PWM
|}
* https://revspace.nl/MHZ19
* [http://www.winsen-sensor.com/d/files/infrared-gas-sensor/mh-z19b-co2-ver1_0.pdf User's Manual]

== [[MicroPython]] ==
Links:
* [https://docs.micropython.org/en/latest/esp8266/esp8266/tutorial/index.html Tutorial]
* [http://micropython-on-wemos-d1-mini.readthedocs.io/en/latest/index.html Workshop]

Flashen:


<pre><nowiki>
cd ~/MicroPython
esptool.py --port /dev/ttyUSB0 erase_flash
esptool.py --port /dev/ttyUSB0 --baud 460800 write_flash --flash_mode=dout --flash_size=detect 0 esp8266-20171101-v1.9.3.bin
</nowiki></pre>

Verbindung aufbauen:


<pre><nowiki>
picocom /dev/ttyUSB0 -b115200
</nowiki></pre>

x

----
[[KategorieWissen]]