Pico-Lora-Expansion-board

Pico Lora Board (868MHz) - Incomplete Wiki

Pico LoRa™ Expansion is a low-power consumption data transmission board, comes with an onboard CH340 USB TO UART converter, Voltage Level Translator(74HC125V), E22-900T22S SMA antenna connector that covers 868MHz frequency band , Onboard 1.14" LCD,IPEX antenna connector, LoRa™ Spread Spectrum Modulation technology with auto multi-level repeating.

Features

• Onboard 1.14" LCD
• Voltage Level Translator(74HC125V)
• Communication range up to 5 KM
• Supports auto repeating to transmit longer
• Low Power Consumption
• Highly Secured
• For Evaluating signal quality with the RSSI or "Received Signal Strength Indicator"
• Wireless parameter configuration support
• fixed-point transmission support
• SMA and IPEX Antenna Connector
• USB to LoRaTM and Pico to LoRaTM Communication via UART
• Comes with development resources and manual
• LED Indicators:
  • RXD/TXD: UART RX/TX indicator
  • AUX: auxiliary indicator
  • PWR: power indicator
• Serial/USB selection jumpers:
  • A: USB TO UART to control the LoRa module through USB
  • B: control the LoRa module through Raspberry Pi Pico
• Data/Command mode selection jumpers :
  • Short M0, short M1: Transmission mode
  • Short M0, open M1: Configuration mode
  • Open M0, short M1: WOR mode
  • Open M0, open M1: Deep sleep mode

Specifications

• Frequency - 850.125~930.125MHz (Programmable Range)
• Power - 22dBm
• Distance - Up to 5 KM
• Interface - UART Communication
• Serial Port Module - E22-900T22S1B
• Voltage Level Translator - 74HC125V

File:PICO-lora-868-board.png

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Pinout

PICO Lora Board	PICO Pins
LCD DIN	GP11
LCD CLK	GP10
LCD DC	GP8
LCD CS	GP9
LCD RST	GP12
LCD BL	GP13
M0	GP3
M1	GP2
Lora TX	GP1
Lora RX	GP0

Jumper Selection/Configuration

Lora Operating Mode (Mode Selection)
M0	M1	MODE
Short (0)	Short (0)	Normal Mode
Short (0)	Open (1)	Configuration Mode
Open (1)	Short (0)	WOR Mode
Open (1)	Open (1)	Deep Sleep Mode

Device Selection Jumper
L_TX	L_RX	Detail
Short with U_RX	Short with U_TX (0)	USB Communication with Lora
Short with P_RX (0)	Short with P_TX (1)	Pico Communication with Lora
Open	Open	No communication

Note : In case of Pico Communication with Lora, remove both mode selection jumper and use GP2 and GP3 pin of Pico to control modes of LORA, Pico must be removed in case of configuration of Lora through USB and use mode selection jumpers to set mode.