ESP32 has 3 different SPI interfaces, for user available only 2 – HSPI and VSPI. For modules with SPI RAM (PSRAM) interface VSPI is not available as used by PSRAM chip.
Table below has native pinouts for HSPI and VSPI interfaces
Continue reading
Power Bank – Error 188, display flash with all numbers
Nowadays, power banks are becoming increasingly popular as people rely on their devices (such as mobile phones, laptops, cameras and etc) for work, entertainment, and communication.
But sometimes power bank with displays doesn’t work and have “188 error” – power bank screen flashing all numbers “188”. In most of cases Continue reading
Jenkins – Shell script catch error or error code
By default, shell can break Jenkins pipeline if exit code different from 0. But ideally need to create handler for catch error and provide actions based on error code from script.
Continue reading
How to run PyTorch on ARM64 devices
Unfortunately, PyTorch doesn’t have docker builds for arm64, only for amd64. But you can use third-party build from another vendors. Continue reading
How to run Tensorflow on ARM64 devices
Unfortunately, Tensorflow doesn’t have docker builds for arm64, only for amd64. But you can use third-party build from another vendors. Continue reading