ESP8266: Unterschied zwischen den Versionen

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* https://revspace.nl/MHZ19
* https://revspace.nl/MHZ19
* [http://www.winsen-sensor.com/d/files/infrared-gas-sensor/mh-z19b-co2-ver1_0.pdf User's Manual]
* [http://www.winsen-sensor.com/d/files/infrared-gas-sensor/mh-z19b-co2-ver1_0.pdf User's Manual]
== Wemos D1 Mini Pins ==
{| border="1" cellpadding="2" cellspacing="0"
| Pin
| Function
|-
| TX
| TXD
|-
| RX
| RXD
|-
| A0
| Analog input, max 3.3V input
|-
| D0
| IO
|-
| D1
| IO, SCL
|-
| D2
| IO, SDA
|-
| D3
| IO, 10k Pull-up
|-
| D4
| IO, 10k Pull-up, BUILTIN_LED
|-
| D5
| IO, SCK
|-
| D6
| IO, MISO
|-
| D7
| IO, MOSI
|-
| D8
| IO, 10k Pull-down, SS
|-
| G
| Ground
|-
| 5V
| 5V
|-
| 3V3
| 3.3V
|-
| RST
| Reset
|}


== [[MicroPython]] ==
== [[MicroPython]] ==
Zeile 79: Zeile 133:




USB-Serial-Kabel
USB-Serial-Kabel:
 
{| border="1" cellpadding="2" cellspacing="0"
<pre><nowiki>
| Kabel
schwarz GND
|-
rot     +5V
| schwarz
grün   RX
|-
weiß   TX
| rot
|-
| grün
|-
| weiß
|}
</nowiki></pre>
</nowiki></pre>



Version vom 1. Januar 1970, 01:00 Uhr

ESP8266

Allgemeines

IRRemote

MH-Z19B

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

Wemos D1 Mini Pins

Pin Function
TX TXD
RX RXD
A0 Analog input, max 3.3V input
D0 IO
D1 IO, SCL
D2 IO, SDA
D3 IO, 10k Pull-up
D4 IO, 10k Pull-up, BUILTIN_LED
D5 IO, SCK
D6 IO, MISO
D7 IO, MOSI
D8 IO, 10k Pull-down, SS
G Ground
5V 5V
3V3 3.3V
RST Reset

MicroPython

Links:

Flashen:


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

Verbindung aufbauen:


picocom /dev/ttyUSB0 -b115200


USB-Serial-Kabel:

Kabel
schwarz
rot
grün
weiß

</nowiki>



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