FireBeetle ESP32 IoT Microcontroller with 250+ ESP32 Tutorials (Supports Wi-Fi & Bluetooth)
The FireBeetle ESP32 is a compact, low-power IoT microcontroller with dual Wi-Fi and Bluetooth support, offering versatile programming options and over 250 tutorials.
Pinout
- IO3 / RXD / D0
Arduino D0 / serial RX; connects to ESP32 IO3
Type · digital - IO1 / TXD / D1
Arduino D1 / serial TX; connects to ESP32 IO1
Type · digital - IO25 / D2
GPIO digital I/O and PWM output; connects to ESP32 IO25
Type · digital - IO26 / D3
GPIO digital I/O and PWM output; connects to ESP32 IO26
Type · digital - IO27 / D4
GPIO digital I/O and PWM output; connects to ESP32 IO27
Type · digital - IO9 / D5
GPIO digital I/O and PWM output; connects to ESP32 IO9
Start wiring
UART · SPI · I2C · 3.3V output, up to 600mA · 5V on USB or 3.7V on lithium battery
Confirm the data interface matches your host board.
Module pins: 3V3, VCC, GND, SCK, MOSI, MISO, SDA, SCL. Schematik maps them to your board in the app.
Related groups
4 groups
SparkFun Qwiic Pro Micro BoogieBoard visual preview
9V to Barrel Jack Adapter visual preview
SparkFun 16x2 SerLCD - RGB Backlight (Qwiic) visual preview
MicroUSB Plug to 5.5/2.1mm DC Barrel Jack Adapter | Kiwi Electronics visual previewConnectors
Sort passive connector adapters from Qwiic boards, LCD modules and microSD card adapters before assuming anything with the right plug will substitute safely.
Connectors & cables · Connectors · 28 parts
RGB backlight positive LCD 16x2 visual previewSparkFun 16x2 SerLCD - RGB Backlight (Qwiic) visual preview
I2C 20x4 Arduino LCD Display Module visual preview
Gravity: I2C 16x2 Arduino LCD with RGB Backlight Display V2.0 visual previewDisplays
Character LCDs, SPI TFTs, e-paper modules and larger capacitive-touch TFT panels solve different display jobs. Treat display class, interface, controller, resolution, touch, refresh behaviour, storage, voltage and mounting as separate swap checks.
Displays · TFT & LCD displays · 35 parts
MQ-2 Gas Sensor visual preview
MQ-3 Gas Sensor visual preview
MQ-135 Gas Sensor visual preview
Grove - Air quality sensor visual previewAir quality
Choose between MQ gas sensors, VOC/eCO2 indoor-air sensors, true CO2 modules and particulate sensors without treating every air-quality breakout as the same detector.
Sensors · Gas & air-quality sensors · 31 parts
Arduino Uno visual preview
Raspberry Pi Pico visual preview
Adafruit Feather nRF52840 Express visual preview
Pan-Tilt HAT kit visual previewMCUs and boards
ESP32, Arduino Uno, Raspberry Pi Pico, and compatible add-on boards for running builds.
Boards · Microcontroller boards · 29 parts