Show pageOld revisionsBacklinksAdd to bookExport to PDFBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ====== ESP32 LORA ====== * [[https://www.banggood.com/Wemos-SX1278-LoRa-ESP32-Bluetooth-WIFI-Lora-Internet-Antenna-Development-Board-For-Arduino-TTGO-p-1214812.html?utm_design=41&utm_source=emarsys&utm_medium=Neworder171109&utm_campaign=trigger-emarsys&utm_content=Winna&sc_src=email_2675773&sc_eh=c6b1cd70aba59b5e1&sc_llid=1315697&sc_lid=105229698&sc_uid=0ZHoIfBra4&cur_warehouse=CN|Wemos® SX1278 LoRa ESP32 Bluetooth WIFI 433MHZ]] [[https://www.amazon.it/dual-core-pollici-Bluetooth-sviluppo-433MHz-470MHz/dp/B078LXL5ZK/ref=sr_1_fkmr2_1?ie=UTF8&qid=1539582563&sr=8-1-fkmr2&keywords=Wemos%C2%AE+SX1278+LoRa+ESP32|amazon]] * [[https://github.com/cyberman54/ESP32-Paxcounter|example 1 interesting]] * [[https://github.com/osresearch/esp32-ttgo|example 2]] * [[https://diyprojects.io/esp32-card-choose-develop-diy-connected-objects/|ESP32 development boards]] * [[https://libraries.io/platformio/LoRa|LoRa library]] * [[http://www.instructables.com/id/433-MHz-Coil-loaded-antenna/|coil antenna]] {{:projects:internetofthings:ttgov1.jpg?400|}} heltec esp32 lora https://escapequotes.net/esp32-lora-send-receive-packet-test/ {{ :projects:internetofthings:df.png?400 |}} ===== Lora basic sender and receiver ===== * https://www.alictronix.com/archives/860 SX1278 433MHz <code> // re-define pin definitions of pins_arduino.h #define PIN_SPI_SS 18 // ESP32 GPIO18 (Pin18) -- SX1276 NSS (Pin19) SPI Chip Select Input #define PIN_SPI_MOSI 27 // ESP32 GPIO27 (Pin27) -- SX1276 MOSI (Pin18) SPI Data Input #define PIN_SPI_MISO 19 // ESP32 GPIO19 (Pin19) -- SX1276 MISO (Pin17) SPI Data Output #define PIN_SPI_SCK 5 // ESP32 GPIO5 (Pin5) -- SX1276 SCK (Pin16) SPI Clock Input // non arduino pin definitions #define RST 14 // ESP32 GPIO14 (Pin14) -- SX1276 NRESET (Pin7) Reset Trigger Input #define DIO0 26 // ESP32 GPIO26 (Pin15) -- SX1276 DIO0 (Pin8) used by LMIC for detecting LoRa RX_Done & TX_Done #define DIO1 33 // ESP32 GPIO33 (Pin13) -- SX1276 DIO1 (Pin9) used by LMIC for detecting LoRa RX_Timeout #define DIO2 LMIC_UNUSED_PIN // 32 ESP32 GPIO32 (Pin12) -- SX1276 DIO2 (Pin10) not used by LMIC for LoRa (Timeout for FSK only) </code> TO BUY: * https://www.cnx-software.com/2017/10/13/this-ttgo-board-combines-esp32-lora-radio-and-oled-display-for-just-10/ [[https://ae01.alicdn.com/kf/HTB1LwXPSFXXXXcdapXXq6xXFXXXE.jpg?size=136359&height=621&width=1000&hash=87ed365af4ae0ca1b732aa88e4364acd|pinout]] projects/internetofthings/esp32lora.txt Last modified: 2020/03/21 16:02by scipio