# Peripheral Sample Development

This section collects peripheral and system-interface samples that are useful for quick hardware bring-up, connectivity checks, and HAL/API usage verification.

```{toctree}
:maxdepth: 1

adc.md
fft.md
fpioa.md
gpio.md
i2c_ssd1306.md
netmgmt.md
ota.md
pwm.md
rotary_encoder.md
sbus.md
spi_st7789.md
spi_w25qxx.md
timer.md
touch.md
tsensor.md
uart.md
usb_hid.md
usb_hid_kbd.md
wdt.md
```