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Private LTE with Analog ADALM-PLUTO v0.38 Update
Having recently produced a timestamping enabled firmware for the Pluto+, based on Analog’s latest release I thought it was only fair that the original ADALM-Pluto got the same treatment. This post describes the changes between v0.37 and v0.38. Along with updated pre-build image and build notes.
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Private LTE with Pluto+ SDR
After several requests and questions about doing something similar for the Pluto+, I broke down, gave into temptation and bought one. This post covers implementing an LTE eNodeB, using srsRAN and the Pluto+. Making use of its Ethernet interface to achieve a higher performance than my original work with the Analog ADALM-PLUTO.
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Adventures in CAN FD
I recently needed some USB to CAN FD adapters for a project. Buying some off-the-shelf adapters would be the sensible thing to do, but where’s the fun in that. If you can’t or don’t want to buy the tools you need, build them!
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Private LTE with Analog ADALM-PLUTO
My quest for a low cost SDR solution for IoT mobile network simulation continues. This time modifying an Analog ADALM-PLUTO, adding the required sample timestamping support such that srsRAN is able to use it as it’s radio interface.
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New Timepiece for a Classic Mac – Part 2
I previously updated an open-source project implementing a pin-compatible real-time clock replacement for the Mac SE/30. At the time I considered using the universal serial interface (USI) peripheral built into the Microchip ATTiny85 microcontroller but dismissed it. This post picks up where I left off, making use of the USI module to offload the processing…
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Private LTE with LimeSDR and srsRAN – Part 4 (Config & Launch)
The final part in my initial series on setting up srsRAN with LimeSDR. Having build the software, assembled the hardware and programmed a SIM. All that left to do is configure srsRAN, launch the network and connect our first mobile device.
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Private LTE with LimeSDR and srsRAN – Part 3 (SIM Cards)
Part three in my series on setting up srsRAN with LimeSDR. Having built the software and assembled the hardware, next we need to program some SIM cards for the mobile devices.
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Private LTE with LimeSDR and srsRAN – Part 2 (Hardware)
Part two in my series on setting up srsRAN with LimeSDR. Having built all the required software, this next part covers assembling the required hardware.
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Private LTE with LimeSDR and srsRAN – Part 1 (Software)
Working with IoT devices it’s often useful during development to have access to a cellular network simulator or private mobile network. While the setups were previously prohibitively expensive for small time users such as myself. The reduction in cost of high performance software defined radios, combined development of open-source network stacks brings them into reach…
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ESP32 Edge Triggered Interrupt Bug
So it appears that edge triggered interrupts don’t work properly on the ESP32. For once the software isn’t to blame.
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