Firmware Adafruit HUZZAH32
| File systems | RAMFS, SPIFFS. |
| Lua modules | adc, bt, can, cjson, cpu, encoder, event, fs, gdisplay, i2c, mqtt, neopixel, net, nvs, pack, pio, pwm, sensor, servo, socket, spi, stepper, thread, tmr, uart, ulp. |
| Networking | RMII Ethernet, WiFi. |
| Network services | CAN gateway, Captive DNS, Dropbear SSH server, HTTP server, SNTP. |
| Sensors | 10K Thermistor, 2P toggle switch, 2Y0A21, 3P toggle switch, 4x4 key matrix, A49E, Analog joystick, BDE0600G, BH1620FVC, BH1721FVC, BME280, DHT11, DHT22, DHT23, DS1820, GPS, GUVA S12SD, Hall flow sensor, Hall internal, Hall switch, LDR, LM35, Linear potentiometer, ML8511, PING28015, PIR AM412, Push switch, Relative rotary encoder, SDS011, TMP36, Tilt switch, US015. |
| CAN | Signal | GPIO |
|---|---|---|
| 0 | RX TX |
GPIO14 GPIO12 |
| I2C | Signal | GPIO |
|---|---|---|
| 0 | SCL SDA |
GPIO22 GPIO23 |
| 1 | SCL SDA |
GPIO32 GPIO33 |
| SPI | Signal | GPIO |
|---|---|---|
| 2 | MISO MOSI CLK |
GPIO12 GPIO13 GPIO14 |
| 3 | MISO MOSI CLK |
GPIO19 GPIO18 GPIO5 |
| UART | Signal | GPIO |
|---|---|---|
| 0 | RX TX |
GPIO3 GPIO1 |
| 1 | RX TX |
GPIO16 GPIO17 |
| 2 | RX TX |
GPIO12 GPIO13 |
| RMII | Signal | GPIO |
|---|---|---|
| 0 | TXD0 TXD1 TX_EN RXD0 RXD1 CLK MDC MDIO POWER |
GPIO19 GPIO22 GPIO21 GPIO25 GPIO26 GPIO0 GPIO23 GPIO18 GPIO2 |
| Display signal | GPIO |
|---|---|
| MISO MOSI CLK CS RST CMD BCKL* |
GPIO19 GPIO18 GPIO5 GPIO15 GPIO26 GPIO2 Not used |
* back light
| Touch panel signal | GPIO |
|---|---|
| MISO MOSI CLK CS |
GPIO19 GPIO18 GPIO5 GPIO21 |
| Signal | GPIO |
|---|---|
| SCL SDA |
GPIO22 GPIO23 |
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