https://blog.waynejohnson.net/ 2026-09-05T10:33:50+0000 https://blog.waynejohnson.net/ https://blog.waynejohnson.net/lib/tpl/sausage/images/favicon.ico text/html 2026-09-04T13:19:04+0000 sausage (sausage@undisclosed.example.com) https://blog.waynejohnson.net/doku.php/creating-a-lorawan-packet-sniffer?rev=1788527944&do=diff Creating a LoRaWAN packet sniffer Buying a LoRaWAN gateway for an end device can be a little expensive. You'd need an 8-channel LoRa concentrator (e.g. for a Raspberry Pi) or an all-in-one gateway unit. Then you could build a simple sensor end device and have the gateway route your packets to something like the text/html 2026-09-04T12:37:33+0000 sausage (sausage@undisclosed.example.com) https://blog.waynejohnson.net/doku.php/?image=lora%3Adoggy-antenna-sniff.jpg&ns=lora&rev=1788525453&tab_details=history&mediado=diff&do=media <img src="https://blog.waynejohnson.net/lib/exe/fetch.php/lora:doggy-antenna-sniff.jpg?w=500&h=333&t=1788525453&amp;tok=d29c6d" alt="lora:doggy-antenna-sniff.jpg" /> text/html 2026-09-01T12:20:38+0000 sausage (sausage@undisclosed.example.com) https://blog.waynejohnson.net/doku.php/start?rev=1788265238&do=diff STM32/Nucleo LoRa project quick start [ ] Following up from last weeks ESP32 LoRa quick start, here is a version for the STM32, and specifically Nucleo F303K8 or similar. So if you need to slap together a quick LoRa-based project on an STM32 NUCLEO-F303K8 using STM32CubeIDE for testing, follow along here. text/html 2026-09-01T12:16:15+0000 sausage (sausage@undisclosed.example.com) https://blog.waynejohnson.net/doku.php/stm32-nucleo-lora-quickstart?rev=1788264975&do=diff STM32/Nucleo LoRa project quick start Following up from last weeks ESP32 LoRa quick start, here is a version for the STM32, and specifically Nucleo F303K8 or similar. So if you need to slap together a quick LoRa-based project on an STM32 NUCLEO-F303K8 using STM32CubeIDE for testing, follow along here. text/html 2026-09-01T11:54:12+0000 sausage (sausage@undisclosed.example.com) https://blog.waynejohnson.net/doku.php/?image=stm32%3Astm32-nucleo-lora-module-breadboard.jpg&ns=stm32&rev=1788263652&tab_details=history&mediado=diff&do=media <img src="https://blog.waynejohnson.net/lib/exe/fetch.php/stm32:stm32-nucleo-lora-module-breadboard.jpg?w=500&h=344&t=1788263652&amp;tok=ebc233" alt="stm32:stm32-nucleo-lora-module-breadboard.jpg" /> text/html 2026-09-01T11:54:12+0000 sausage (sausage@undisclosed.example.com) https://blog.waynejohnson.net/doku.php/?image=stm32%3Astm32-lora-module-hookup.png&ns=stm32&rev=1788263652&tab_details=history&mediado=diff&do=media <img src="https://blog.waynejohnson.net/lib/exe/fetch.php/stm32:stm32-lora-module-hookup.png?w=500&h=320&t=1788263652&amp;tok=9da0c9" alt="stm32:stm32-lora-module-hookup.png" /> text/html 2026-08-31T00:45:10+0000 sausage (sausage@undisclosed.example.com) https://blog.waynejohnson.net/doku.php/esp32-espidf-lora-quickstart?rev=1788137110&do=diff ESP32/esp-idf LoRa project quick start If you need to bang together a quick LoRa-based project on an ESP32 using esp-idf (not Arduino) so you can get going in a hurry, follow along here. Parts needed: * ESP32 or higher * RFM95 SX1276 LoRa transceiver (915MHz Module) text/html 2026-08-24T03:26:42+0000 sausage (sausage@undisclosed.example.com) https://blog.waynejohnson.net/doku.php/?image=lora%3Aesp32-lora-module-hookup.png&ns=lora&rev=1787542002&tab_details=history&mediado=diff&do=media <img src="https://blog.waynejohnson.net/lib/exe/fetch.php/lora:esp32-lora-module-hookup.png?w=500&h=341&t=1787542002&amp;tok=407b26" alt="lora:esp32-lora-module-hookup.png" /> text/html 2026-08-24T03:19:57+0000 sausage (sausage@undisclosed.example.com) https://blog.waynejohnson.net/doku.php/?image=lora%3Arfm95-lora.jpg&ns=lora&rev=1787541597&tab_details=history&mediado=diff&do=media <img src="https://blog.waynejohnson.net/lib/exe/fetch.php/lora:rfm95-lora.jpg?w=500&h=353&t=1787541597&amp;tok=35a72e" alt="lora:rfm95-lora.jpg" /> text/html 2026-07-03T11:04:54+0000 sausage (sausage@undisclosed.example.com) https://blog.waynejohnson.net/doku.php/electronex_2026?rev=1783076694&do=diff Attending ElectroneX 2026 Last month I attended ElectroneX 2026. For years I've been wanting to go to an ElectroneX show but every year something always gets in the way. This year I caught a reminder on LinkedIn that it was coming up at the Rosehill Garden Exhibition Centre. So I got in touch with the Professor to see if he was keen to go. 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