https://blog.waynejohnson.net/ 2026-10-15T22:39:21+0000 https://blog.waynejohnson.net/ https://blog.waynejohnson.net/lib/tpl/sausage/images/favicon.ico text/html 2026-10-15T03:01:24+0000 sausage (sausage@undisclosed.example.com) https://blog.waynejohnson.net/doku.php/airflash?rev=1792033284&do=diff AirFlash for the Pi Zero What is the AirFlash? The AirFlash is an open-source standalone USB powered embedded Linux device that accepts up to four USB Flash drives and will serve their content out over WIFI to one or more users. You can take it anywhere and plug it in to a USB power source. Within 90 seconds the device will be available. 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. He definitely was, so we made a date of it. text/html 2026-07-03T09:38:18+0000 sausage (sausage@undisclosed.example.com) https://blog.waynejohnson.net/doku.php/?image=electronex%3Amicrochip.jpg&ns=electronex&rev=1783071498&tab_details=history&mediado=diff&do=media <img src="https://blog.waynejohnson.net/lib/exe/fetch.php/electronex:microchip.jpg?w=500&h=333&t=1783071498&amp;tok=c59233" alt="electronex:microchip.jpg" /> text/html 2026-07-03T09:38:18+0000 sausage (sausage@undisclosed.example.com) https://blog.waynejohnson.net/doku.php/?image=electronex%3Aelectronex-sign.jpg&ns=electronex&rev=1783071498&tab_details=history&mediado=diff&do=media <img src="https://blog.waynejohnson.net/lib/exe/fetch.php/electronex:electronex-sign.jpg?w=500&h=332&t=1783071498&amp;tok=903dae" alt="electronex:electronex-sign.jpg" /> text/html 2026-07-03T08:52:18+0000 sausage (sausage@undisclosed.example.com) https://blog.waynejohnson.net/doku.php/?image=electronex%3Afloor.jpg&ns=electronex&rev=1783068738&tab_details=history&mediado=diff&do=media <img src="https://blog.waynejohnson.net/lib/exe/fetch.php/electronex:floor.jpg?w=500&h=333&t=1783068738&amp;tok=534eb8" alt="electronex:floor.jpg" /> text/html 2026-07-03T08:29:25+0000 sausage (sausage@undisclosed.example.com) https://blog.waynejohnson.net/doku.php/?image=electronex%3Ascott-williams.jpg&ns=electronex&rev=1783067365&tab_details=history&mediado=diff&do=media <img src="https://blog.waynejohnson.net/lib/exe/fetch.php/electronex:scott-williams.jpg?w=500&h=347&t=1783067365&amp;tok=2d6002" alt="electronex:scott-williams.jpg" /> text/html 2026-07-03T08:29:21+0000 sausage (sausage@undisclosed.example.com) https://blog.waynejohnson.net/doku.php/?image=electronex%3Apcbway-milling.jpg&ns=electronex&rev=1783067361&tab_details=history&mediado=diff&do=media <img src="https://blog.waynejohnson.net/lib/exe/fetch.php/electronex:pcbway-milling.jpg?w=500&h=333&t=1783067361&amp;tok=d6840a" alt="electronex:pcbway-milling.jpg" /> text/html 2026-07-03T08:29:21+0000 sausage (sausage@undisclosed.example.com) https://blog.waynejohnson.net/doku.php/?image=electronex%3Arigol-gear.jpg&ns=electronex&rev=1783067361&tab_details=history&mediado=diff&do=media <img src="https://blog.waynejohnson.net/lib/exe/fetch.php/electronex:rigol-gear.jpg?w=500&h=343&t=1783067361&amp;tok=bfc0f2" alt="electronex:rigol-gear.jpg" /> text/html 2026-07-03T08:29:15+0000 sausage (sausage@undisclosed.example.com) https://blog.waynejohnson.net/doku.php/?image=electronex%3Amicsig.jpg&ns=electronex&rev=1783067355&tab_details=history&mediado=diff&do=media <img src="https://blog.waynejohnson.net/lib/exe/fetch.php/electronex:micsig.jpg?w=500&h=373&t=1783067355&amp;tok=9f8191" alt="electronex:micsig.jpg" /> text/html 2026-07-03T08:29:14+0000 sausage (sausage@undisclosed.example.com) https://blog.waynejohnson.net/doku.php/?image=electronex%3Ainspection.jpg&ns=electronex&rev=1783067354&tab_details=history&mediado=diff&do=media <img src="https://blog.waynejohnson.net/lib/exe/fetch.php/electronex:inspection.jpg?w=500&h=333&t=1783067354&amp;tok=148066" alt="electronex:inspection.jpg" /> text/html 2026-07-03T08:29:13+0000 sausage (sausage@undisclosed.example.com) https://blog.waynejohnson.net/doku.php/?image=electronex%3Afloor02.jpg&ns=electronex&rev=1783067353&tab_details=history&mediado=diff&do=media <img src="https://blog.waynejohnson.net/lib/exe/fetch.php/electronex:floor02.jpg?w=500&h=333&t=1783067353&amp;tok=acefd8" alt="electronex:floor02.jpg" />