User's Manual

Distributed by Pycom Ltd.
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Mechanical
Size: 55mm x 20mm x 3.5mm
Hash and encryption engines
SHA
MD5
DES
AES
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 peripherals during deep-sleep mode while
only consuming 25uA.
Memory
RAM: 256 KBytes
Internal Flash = 1MByte
External Flash = 4MByte
GPIO: Up to 25
Interfaces
2 x UART, SPI, I2C, DMA, Camera interface, I2S (audio
playback).
Internal chip antenna and u.fl connectors for external
antennas.
Surface mountable and also available with male
headers.
Power
Input: 3.3V - 5.5V
Wi-Fi:12 mA in active mode, 5uA in standby.
LoRa: 15mA in active mode, 10uA in standby.
LoRa Specification
Semtech LoRa transceiver SX1272
LoRaWAN stack.
Class A and C devices
Operating Frequencies
868 MHz (Europe)
915 MHz (North America)
Range Specification
Node range: Up to 30km
Nano-Gateway: Up to 5 km
Nano Gateway Capacity: up to 100 nodes
WiFi Networking
WiFi: 802.11b/g/n 16Mbps
Bluetooth
Bluetooth Low Energy and Classic
RTC
Of course
DMA
All over the place
Security
WiFi enterprise security
SSL/TLS support
AES encryption engine.
LoPy Specification
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Compatible with