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 | |||
|} | |||
== USB-Serial-Kabel == | |||
{| border="1" cellpadding="2" cellspacing="0" | |||
| Kabel | |||
|- | |||
| schwarz | |||
|- | |||
| rot | |||
|- | |||
| grün | |||
|- | |||
| weiß | |||
|} | |||
== [[MicroPython]] == | == [[MicroPython]] == | ||
| Zeile 77: | Zeile 144: | ||
picocom /dev/ttyUSB0 -b115200 | picocom /dev/ttyUSB0 -b115200 | ||
</nowiki></pre> | </nowiki></pre> | ||
---- | ---- | ||
[[KategorieWissen]] | [[KategorieWissen]] | ||
Aktuelle Version vom 20. Dezember 2021, 13:54 Uhr
ESP8266
Allgemeines
- WEMOS - Get started in Arduino
- WEMOS D1 mini
- WEMOS D1 mini Pro
- WEMOS Battery Shield
- http://www.instructables.com/howto/ESP8266/
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 |
USB-Serial-Kabel
| Kabel |
| schwarz |
| rot |
| grün |
| weiß |
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