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https://ae04.alicdn.com/kf/HTB1OesiOFXXXXbcXVXXq6xXFXXX3/2-LoRa-Ai-Thinker-Ra-01...
V

vasyl

Lora(TM) Modulation Technology. +20 dbm - 100 mW Constant RF Output vs. V Supply. High Sensitivity: Down To -148dbm. Half-Duplex Spi Communication. Programmable Bit Rates Up To 300Kbps. Supports FSK, GFSK, MSK, GMSK, Lora TM And OOK Modulation Modes. 127db Dynamic Range. Automatic RF Signal Detection, Cad Mode And Very High Speed AFC. Packet Engine With CRC Up To 256 Bytes. Small Footprint Dual-Row Stamp-Hole Patch Package. Shielded Housing
5y
V

vasyl

2-LoRa-Ai-Thinker-Ra-01-SX1278-433

https://ae04.alicdn.com/kf/HTB1OesiOFXXXXbcXVXXq6xXFXXX3/2-LoRa-Ai-Thinker-Ra-01-SX1278-433.jpg

1

5y
Someone is typing...
1
build a testing circuit using the component
Y

yohee

@copilot build a testing circuit using the component
2y

copilot

Certainly! Let's build a basic testing circuit for the Ai-Thinker Ra-01 410-525 MHz LoRa module. Here are the assumptions and requirements for the design:
Assumptions:
  1. The module uses a 3.3V power supply.
  2. We'll connect it to an SPI interface for communication with a microcontroller.
  3. We'll add some basic components to ensure functionality in a real-world scenario:
    • A microcontroller (e.g., ESP32-WROOM-32)
    • An external antenna connected to the pin labeled ANT
    • Decoupling capacitors for a stable power supply
Connections: Microcontroller (e.g., ESP32) to LoRa Module:
  1. Power and Ground:
  2. SPI Connections:
  3. Control and Status Pins:
    • Connect the GPIO25 to RESET.
    • Connect the GPIO26 to DIO0.
    • Optionally connect other DIO pins (DIO1-DIO5) to available GPIO pins for additional functionality.
  4. Antenna Connection:
    • Connect an external antenna to ANT.
Full Connection List:
  • Connect ESP32:VCC to 3.3V.
  • Connect ESP32:GND to GND, GND, and GND.
  • Connect ESP32:GPIO18 to SCK.
  • Connect ESP32:GPIO19 to MISO.
  • Connect ESP32:GPIO23 to MOSI.
  • Connect ESP32:GPIO5 to NSS.
  • Connect ESP32:GPIO25 to RESET.
  • Connect ESP32:GPIO26 to DIO0.
  • Connect ANT to an external antenna.
Decoupling Capacitors:
To ensure stable power, place decoupling capacitors (10µF and 0.1µF) between the 3.3V and GND close to the module.
Would you like me to add any specific components or features to this basic testing circuit?
2y
Someone is typing...
3
NSS
DIO4
DIO1
SCK
DIO0
RESET
MISO
ANT
DIO5
DIO2
GND
GND
GND
3.3V
MOSI
DIO3
Name
Pin #
Type
Section
Pin Group
Orientation
Order
Sub-symbol
ANT
1
Unspecified
GND
2
Unspecified
3.3V
3
Unspecified
RESET
4
Unspecified
DIO0
5
Unspecified
DIO1
6
Unspecified
DIO2
7
Unspecified
DIO3
8
Unspecified
GND
9
Unspecified
DIO4
10
Unspecified
DIO5
11
Unspecified
SCK
12
Unspecified
MISO
13
Unspecified
MOSI
14
Unspecified
NSS
15
Unspecified
GND
16
Unspecified

Ai-Thinker-Ra-01