Description
Beetle ESP32 is a smaller version of theFireBeetle board. Board based on moduleESP-WROOM-32D dual core Tensilica LX6 processor with the frequency of240 MHz. It has 520 KB of SRAM, 16 MB of Flash and the digital, analog, I2CandUART pins. The beetle has a built-in module Bluetooth 4.2andwi-fi.
The microcontroller is programmed in theArduino IDE. Instructions for setting up and sample program can be foundhere. The module is programmed and powered using the microUSB port.
Leads
The module has leads in the form of holes and panels for soldering. In addition, the power leads are marked respectively: 3V3 / VIN (+), GND (-).
| Name | Description |
|---|---|
| 3V3 | Supply voltage of 3.3 V. |
| VIN | Supply voltage from 3.5 V to 6.5 V. |
| A0 - A3 | Analog input. |
| D2, D3, D4, D7 | Digital I/O. |
| SCL | Clock line of the I2C bus. |
| Traffic | The data line of the I2C bus. |
| RX | The pin of the UART receiver. |
| TX | The pin of UART transmitter. |
Specification
- System: ESP-WROOM-32D
- Processor: Tensilica LX6 Dual-Core
- Frequency: 240 MHz
- SRAM: 520 KB
- Flash memory: 16 MB
- The wi-fi standard: FCC / CE / TELEC /KCC
- WiFi Protocol:802.11 b / g / n / d / e / i / k / r
- Frequency range of wifi: 2.4 GHz to 2.5 GHz
- The Bluetooth protocol: BR / EDR / BLE for Bluetooth v4.2
- Built-in clock: 40 MHz crystal and 32.768 KHz
- Digital interfaces: D2, D3, D4, D7
- Analog interfaces: A0, A1, A2, A3
- I2C: x1
- UAART: x1
- Dimensions: 35 x 34 mm
Useful links |
