====== D1 ====== An Arduino UNO Compatible wifi board based on ESP8266EX. [[tutorials:get_started:get_started_in_arduino|Get started in Arduino]] [[:downloads|Driver]] Buy Now ===== Features ===== * 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except for D0) * 1 analog input(3.2V max input) * Micro USB connection * Power jack, 9-24V power input. * Compatible with Arduino * Compatible with nodemcu ===== Tutorials ===== ===== Documentation ===== * {{ :products:d1:d1_v2.0.0.pdf |Schematic V2.0.0 (D1 R2)}} * [[:downloads|Driver]] ===== Technical specs ===== ^Microcontroller^ESP-8266EX^ |Operating Voltage|3.3V| |Digital I/O Pins|11| |Analog Input Pins|1(Max input: 3.2V)| |Clock Speed|80MHz/160MHz| |Flash|4M bytes| |Length|68.6mm| |Width|53.4mm| |Weight|25g| ===== Pin ===== ^Pin^Function^ESP-8266 Pin^ |TX|TXD|TXD| |RX|RXD|RXD| |A0|Analog input, max 3.3V input|A0| |D0|IO|GPIO16| |D1|IO, SCL|GPIO5| |D2|IO, SDA|GPIO4| |D3|IO, 10k Pull-up|GPIO0| |D4|IO, 10k Pull-up, BUILTIN_LED|GPIO2| |D5|IO, SCK|GPIO14| |D6|IO, MISO|GPIO12| |D7|IO, MOSI|GPIO13| |D8|IO, 10k Pull-down, SS|GPIO15| |G|Ground|GND| |5V|5V|-| |3V3|3.3V|3.3V| |RST|Reset|RST| All of the IO pins have interrupt/pwm/I2C/one-wire support except D0. All of the IO pins run at 3.3V.