Table of Contents

WFLY ET07 Hardware Connections

The following documents the hardware inside the Radiolink AT9 transmitter

STM32 Connections

Pin Connection Description Additional Info
BOOT0 BOOT0

GPIOA

Pin Connection Description Additional Info
PA00 CH1 SRH RIght Hor Stick

GPIOB

Pin Connection Description Additional Info
PB00 POT Left Shoulder

GPIOC

Pin Connection Description Additional Info
PC00 K1A 2-pos switch

GPIOD

Pin Connection Description Additional Info
PD00 DISP5 Data

GPIOE

Pin Connection Description Additional Info
PE00 DISP19 RESx ILI9341 Pin Reset is Active low

Battery Voltage Measurement

The battery voltage (ADC1_9) was measured as:

Voltage ADC Value
15.05V 0x0FFB
10.02V 0x0A9D
4.31V 0x048E

is calculated by the formula: V = 0.003672 * value + 0.0287

FCC Report

FCCID: U2B RL039AT9