A small, space conscious development board for the Pycom MicroPython enabled enterprise level system in package based on the ESP32 chipset featuring both WiFi and Bluetooth connectivity. The board features both a chip antenna and u.FL connector for longer wireless range in addition to an on board button and Tri-Color LED. A perfect IoT development board for those looking to program in MicroPython.
The 3.0 variation features the following upgrades:
– Deep sleep current draw fixed, now only 19.7µA
– Upgraded RAM from 512KB to 4MB
– Upgraded External FLASH from 4MB to 8MB
– Antenna select pin moved from GPIO16 to GPIO21 (P12)
Features
– Powerful CPU, BLE and state of the art WiFi radio
– 1KM WiFi range
– MicroPython enabled, the Linux of IoT for fast deployment
– Fits in a standard breadboard (with headers)
– Ultra-low power usage: a fraction compared to other connected micro controllers
Processing
– Espressif ESP32 chipset
– Dual processor WiFi radio system on chip
– Network processor handles the WiFi connectivity and the IPv6 stack
– Main processor is entirely free to run the user application
– An extra ULP-coprocessor that can monitor GPIOs, the ADC channels and control most of the internal peripherls during deep-sleep mode while only consuming 25uA
Interfaces
– 2 x UART, 2 x SPI, I2C, I2S, micro SD card
– Analog channels: 8_12 bit ADCs
– Timers: 4_16 bit with PWM and input capture
– DMA on all peripherals
– GPIO: Up to 24
Datasheet WRL-15189
