Flipper Zero UART Debug
It's possible to use a USB-to-UART adapter such as the SH-U09C USB to TTL Adapter or a Raspberry Pi Debug Probe to receive debug messages while the Flipper Zero is…
ESP32 NVS Keys Part 2
In a previous post, I investigated the limits to what NVS accepted as a valid ASCII string. While I'm certain I did not iterate over ALL the acceptable possibilities, the…
ESP32 NVS Keys Part 1
This began as a four- or five-question exploration of the Non-volatile storage library for the ESP32. However, the queries, simple at first, grew in depth as I probed their bounds.…
ESP32 printf()
tl;dr - For the ESP32 microcontrollers, ALWAYS terminate a printf() function call with a newline character. Consider the humble printf("Hello world!\n") statement. This elementary function call is the poor man's…