The following documents the hardware inside the Radiolink AT9 transmitter
| Pin | Connection | Description | Additional Info |
|---|---|---|---|
| BOOT0 | BOOT0 |
| Pin | Connection | Description | Additional Info |
|---|---|---|---|
| PA00 | CH1 | SRH RIght Hor Stick |
| Pin | Connection | Description | Additional Info |
|---|---|---|---|
| PB00 | POT | Left Shoulder |
| Pin | Connection | Description | Additional Info |
|---|---|---|---|
| PC00 | K1A | 2-pos switch |
| Pin | Connection | Description | Additional Info |
|---|---|---|---|
| PD00 | DISP5 | Data |
| Pin | Connection | Description | Additional Info |
|---|---|---|---|
| PE00 | DISP19 | RESx ILI9341 Pin | Reset is Active low |
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
FCCID: U2B RL039AT9