Eigenschaften
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11 digital input/output pins
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Interrupt/pwm/I2C/one-wire
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1 analog input(3.2V max input)
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16M bytes(128M bit) Flash
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External antenna connector
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Built-in ceramic antenna
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New CP2104 USB-TO-UART IC
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Same size as D1 mini, but more light
Pinout
Pin | Funktion | ESP-8266 | Verwendung | reset state |
TX | TXD | TXD | usb-to-serial | tx |
RX | RXD | RXD | usb-to-serial | rx |
A0 | analog in | A0 | voltage devider | |
D0 | IO | GPIO16 | ||
D1 | IO, SCL | GPIO5 | ||
D2 | IO, SDA | GPIO4 | ||
D3 | IO | GPIO0 | 10k pull-up | high |
D4 | IO | GPIO2 | 10k pull-up, led | high |
D5 | IO, SCK | GPIO14 | ||
D6 | IO, MISO | GPIO12 | ||
D7 | IO, MOSI | GPIO13 | ||
D8 | IO, SS | GPIO15 | 10k pull-down | low |
G | Ground | GND | ||
5V | 5V | (regulator => 3.3V) | ||
3V3 | 3.3V | VCC | ||
RST | Reset | RST | 10k pull-up, 100n, button | |
EN | 10k pull-up | high |
Anmerkungen
- der größere Speicher wird von vielen Anwendung nicht unterstützt
- flash chip interface mode auf dout setzen!