LoRa 32 WiFi SX1276, 868-915MHz, Board

Resources

Parameter

Master chip

ESP32 (240MHz Tensilica LX6 dual-core + 1 ULP, 600 DMIPS)

Wireless communication

WiFi

Bluetooth

LoRa

802.11 b/g/n (801.11n up to 150Bm/s)

Bluetooth v4.2 BR/EDR and bluetooth LE specification

Node-to-node communication or LoRaWAN

LoRa chip

SX1276/SX1278

LoRaWAN Area

Hardware version

Support frequency

LF

EU433

CN470

HF

IN865

EU868

US915

AU915

KR920

AS923

LoRa maximum output power

19B ± 1dB

Hardware resource

3 × UART; 2 × SPI; 2 × I2C; 1 × I2S; 18 ×12-bits ADC input; 2 ×8-bits DAC output; 22 × GPIO; 6 × GPI

FLASH

8MB (64M-bits) SPI flash

RAM

520kB internal SRAM

Interface

1 × Micro USB; 1 × LoRa antenna interface (IPEX); 2 × 18×2.54 pin

Maximum size (including protruding parts such as switch and battery compartment)

51 × 25.5 × 10.6 mm

USB to serial chip

CP2102

Battery

3.7V Lithium (SH 1.25 × 2 socket)

Solar energy

✕

Battery detection circuit

✔

External device power control

✔

Low power

Deep sleep 800µA

Display size

0.96" OLED

Working temperature

-40~80°C

Electrical features

Condition

Minimum

Typical

Maximum

Power supply

USB Powered (≥500mA)

4.7V

5V

6V

Lithium Powered (≥250mA)

3.3V

3.7V

4.2V

3.3V (pin) powered (≥150mA)

2.7V

3.3V

3.5V

5V (pin) powered (≥500mA)

4.7V

5V

6V

Power consumption (mA)

WiFi scan

115mA

WiFi AP

135mA

LoRa 10dB output

50mA

LoRa 12dB output

60mA

LoRa 15dB output

110mA

LoRa 20dB output

130mA

Output

3.3V pin output

500mA

5V pin output (USB powered only)

Equal to the input current

External device power control (Vext 3.3V)

350mA