Selecting USB to RS232 adapter via USB hierarchy path

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Android Learning Apps

Mathematica Read more

Mathematica – Useful Functions

Extract coefficients from symbols Sin[x 2] and Cos[x 2] Find derivative of some exp Combine two expressions into system of linear equations Clear all global variables Collecting terms Read more

Cross Compiling ARM64 binary on X86_64

https://github.com/elastic/golang-crossbuild Read more

Useful Equations

Law Equation Notes Kirchhoff’s Voltage Law (KVL) Σ v_i = 0 or v_source = v_R + v_L + v_C + ... Sum of voltages around any closed loop equals zero Kirchhoff’s Current Law (KCL) Σ i_in = Σ i_out Sum... Read more

Syncing Kafka Topics to Local Dev Machine

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Controlling USB Hub Port Power Via Rust on Linux

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Querying QMI Device Info (4G/4G cellular)

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Configuring Linux Netconsole Module

In order to debug kernel panic/freeze cases on devices which do not have serial console exposed, we can use Linux kernel’s netconsole module. This module is created with exactly this case in mind. In order to use the, we need... Read more

Configure 4G/5G Modem With nmcli

List modem devices Inspect sim Read more