ESPFlight Docs v1
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Firmware Reference

Release-level constants and links for Firmware v1.0.0.

ESPFlight Docs · v1 • Validated v1 documentation path

# Hardware and timing constants

Area Value
Firmware 1.0.0
Protocol 2
UDP discovery port 4210
WebSocket port 81
Wi-Fi initial timeout 15000 ms
Wi-Fi retry interval 5000 ms
Control loop 4000 µs / 250 Hz
PWM range 0..1023
PWM frequency 4000 Hz

# Pin constants

Function Pin
LED GPIO 2
Motor 1 — front-right GPIO 5
Motor 2 — rear-right GPIO 4
Motor 3 — rear-left GPIO 13
Motor 4 — front-left GPIO 15
Buzzer GPIO 3
I2C SDA D6
I2C SCL D5

# Primary source documents

# Known errata

The v1.0.0 release tag remains fixed. Documentation corrections that do not change the release are recorded in the official errata file.

View official firmware errata ↗