Wireless Stick Lite (Panda Board)

$14.90

 

note

accessories

packinglist

  • Include antenna;
  • Include SH1.25 x 2 battery connector;
  • Include pin map sticker;
  • Not include the battery;

Availability: 2211 In Stock

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Description

Many users need a version without OLED display, because they want to use it directly in their IoT projects as the main controller and RF (LoRa, Wi-Fi, BLE) connection. Compare with Wireless Stick, “Wireless Stick Lite” has much better low power design (30uA in deep sleep). Removed the 0.49″ OLED, use ESP32-PICO MCU (it’s more friendly for low power design),


Overview

  • CE Certificate;
  • Microprocessor: ESP32-PICO (dual-core 32-bit MCU + ULP core + Internal 4MB FLASH), with LoRa node chip SX1276;
  • Micro USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF shielding, and other protection measures;
  • Onboard SH1.25-2 battery interface, integrated lithium battery management system (charge and discharge management, overcharge protection, battery power detection, USB / battery power automatic switching);
  • Integrated WiFi, LoRa, Bluetooth three network connections, onboard Wi-Fi, Bluetooth dedicated 2.4GHz metal 3D antenna, reserved IPEX (U.FL) interface for LoRa;
  • Integrated CP2102 USB to serial port chip, convenient for program downloading, debugging information printing;
  • Support the Arduino development environment;
  • (Exclusive) Supports the Arduino version of the ESP32 + LoRaWAN protocol routine provided by Heltec. This is a standard LoRaWAN protocol that can communicate with any gateway/base station running the LoRaWAN protocol (requires serial number activation, only the development of the company) The board is available, the serial number can be queried on this page);
  • With good RF circuit design and good low-power design (sleep current ≤ 30uA), it is convenient for IoT application vendors to quickly verify solutions and deploy applications;

Tech spec

Resource Parameter
Master Chip ESP32( 240MHz Tensilica LX6 dual-core + 1 ULP, 600 DMIPS)
Wireless Communication Wi-Fi Bluetooth LoRa
802.11 b/g/n (802.11n up to 150 Mbps) 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 19dB ± 1dB
Hardware Resource UART x 3; SPI x 2; I2C x 2; I2S x 1; 12-bits ADC input x 18; 8-bits DAC output x 2; GPIO x 22,GPI x 6
FLASH 8MB(64M-bits) SPI FLASH
RAM 520KB internal SRAM
Interface Micro USB x 1; LoRa Antenna interface(IPEX) x 1; 18 x 2.54 pin x 2
Maximum Size (Including protruding parts
such as switch and battery compartment)
59.3 x 24.8 x 8mm
USB to Serial Chip CP2102
Battery 3.7V Lithium(SH1.25 x 2 socket)
Solar Energy x
Battery Detection Circuit
External Device Power Control(Vext)
Low Power Deep Sleep 800μA
Display Size  0.49-inch OLED
Working Temperature -40~80℃
Electrical Features Condition  Minimum Typica  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


Docs&resource


Test Info

                                              LoRa 915MHz RF Power Output

                                              LoRa 868MHz RF Power Output

                                      LoRa 470MHz RF Power Output

                                          LoRa 433MHz RF Power Output

LoRa Band

433MHz, 470-510MHz, 863-870MHz, 902-928MHz

Interface

Micro USB|LoRa Antenna interface

Working temperature

-40~80℃

Size

59.3*24.3*8

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