Geekcreit D1 mini V2.2.0 WIFI Internet Development Board Based ESP8266 4MB FLASH ESP-12S Chip: Difference between revisions

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== Features ==
== Specifications ==


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[[https://github.com/Xinyuan-LilyGO/TTGO-T-Display Gitgub page]]


[[File:Geekcreit D1 mini V2.2.0 WIFI Internet Development Board Based ESP8266 4MB FLASH ESP-12S Chip.jpg|thumb|Geekcreit D1 mini V2.2.0 WIFI Internet Development Board Based ESP8266 4MB FLASH ESP-12S Chip.jpg
[[File:Geekcreit D1 mini V2.2.0 WIFI Internet Development Board Based ESP8266 4MB FLASH ESP-12S Chip.jpg|thumb|Geekcreit D1 mini V2.2.0 WIFI Internet Development Board Based ESP8266 4MB FLASH ESP-12S Chip.jpg
]]
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== Specifications ==
 


Feature:
Feature:


11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0)
* 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0)
1 analog input(3.2V max input)
* 1 analog input(3.2V max input)
a Micro USB connection
* a Micro USB connection
Compatible with
 
Compatible with nodemcu
Lots of shields
   
   
Package included:
Package included:
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2 x Short female pin
2 x Short female pin
2 x Normal pin
2 x Normal pin
[[File:D1-mini-pinout.jpg]]
{| class="wikitable"
|-
|Label
|GPIO
|Input
|Output
|Notes
|-
|D0
|GPIO16
|no interrupt
|no PWM or I2C support
|HIGH at boot
used to wake up from deep sleep
|-
|D1
|GPIO5
|OK
|OK
|often used as SCL (I2C)
|-
|D2
|GPIO4
|OK
|OK
|often used as SDA (I2C)
|-
|D3
|GPIO0
|pulled up
|OK
|connected to FLASH button, boot fails if pulled LOW
|-
|D4
|GPIO2
|pulled up
|OK
|HIGH at boot
connected to on-board LED, boot fails if pulled LOW
|-
|D5
|GPIO14
|OK
|OK
|SPI (SCLK)
|-
|D6
|GPIO12
|OK
|OK
|SPI (MISO)
|-
|D7
|GPIO13
|OK
|OK
|SPI (MOSI)
|-
|D8
|GPIO15
|pulled to GND
|OK
|SPI (CS)
Boot fails if pulled HIGH
|-
|RX
|GPIO3
|OK
|RX pin
|HIGH at boot
|-
|TX
|GPIO1
|TX pin
|OK
|HIGH at boot
debug output at boot, boot fails if pulled LOW
|-
|A0
|ADC0
|Analog Input
|X
|}

Latest revision as of 12:01, 29 December 2020

Specifications

Geekcreit D1 mini V2.2.0 WIFI Internet Development Board Based ESP8266 4MB FLASH ESP-12S Chip

https://bogza.ro/index.php/Geekcreit_D1_mini_V2.2.0_WIFI_Internet_Development_Board_Based_ESP8266_4MB_FLASH_ESP-12S_Chip


Geekcreit D1 mini V2.2.0 WIFI Internet Development Board Based ESP8266 4MB FLASH ESP-12S Chip.jpg


Feature:

  • 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0)
  • 1 analog input(3.2V max input)
  • a Micro USB connection


Package included:

1 x D1 mini V2.2.0 2 x Long female pin 2 x Short female pin 2 x Normal pin

Label GPIO Input Output Notes
D0 GPIO16 no interrupt no PWM or I2C support HIGH at boot

used to wake up from deep sleep

D1 GPIO5 OK OK often used as SCL (I2C)
D2 GPIO4 OK OK often used as SDA (I2C)
D3 GPIO0 pulled up OK connected to FLASH button, boot fails if pulled LOW
D4 GPIO2 pulled up OK HIGH at boot

connected to on-board LED, boot fails if pulled LOW

D5 GPIO14 OK OK SPI (SCLK)
D6 GPIO12 OK OK SPI (MISO)
D7 GPIO13 OK OK SPI (MOSI)
D8 GPIO15 pulled to GND OK SPI (CS)

Boot fails if pulled HIGH

RX GPIO3 OK RX pin HIGH at boot
TX GPIO1 TX pin OK HIGH at boot

debug output at boot, boot fails if pulled LOW

A0 ADC0 Analog Input X
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