Difference between revisions of "Pico-Lora-Expansion-board"
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| − | <tr> <th colspan="3">Lora Operating Mode (Mode Selection) </th><th rowspan=" | + | <tr> <th colspan="3">Lora Operating Mode (Mode Selection) </th><th rowspan="6"> hello </th></tr> |
<tr> <th> M0 </th> <th> M1 </th> <th> MODE </th> </tr> | <tr> <th> M0 </th> <th> M1 </th> <th> MODE </th> </tr> | ||
<tr> <td> Short (0) </td> <td> Short (0) </td> <td> Normal Mode </td></tr> | <tr> <td> Short (0) </td> <td> Short (0) </td> <td> Normal Mode </td></tr> | ||
Revision as of 08:39, 19 May 2021
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
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) | hello | ||
|---|---|---|---|
| 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.