Primary Topologies of SPI, I²C, CAN, UART, and USART
The primary topologies for SPI , I²C , CAN, UART , and USART are fundamentally defined by how they manage device addressing and communication flow. S…
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128x64 SSD1306 OLED Display Module + Arduino
To use a 64x48 OLED display module with an Arduino and the U8glib library, you'll need to ensure the connections are correct, the U8glib library …
Test Code -- Nokia 3310 LCD display + Arduino
Adafruit 5110 LCD module The Nokia 3310 /5110 LCD are both popular for hobbyist projects and educational purposes. Both the Nokia 3310 and Nokia 5110…
BLDC vs PMSM Motor - Design & Difference in Construction
BLDC (Brushless Direct Current) and PMSM (Permanent Magnet Synchronous Motor) motors share a similar construction, both featuring permanent magnets o…
Installed Packages Disappear after Reboot in Alpine Linux
If Alpine Linux packages disappear after reboot on your computing device which is diskless, especially on devices such as Raspberry Pi, it's like…
What good is a Raspberry Pi model B rev2 in 2025?
The iterations The Raspberry Pi 1 B rev 2 comes equipped with a BCM2835, is a Broadcom System-on-a-Chip (SoC) with 512MB SDRAM which is also used i…
Automotive OBD2 Pinout
Automotive OBD 2 Pinout On-Board Diagnostics II, or OBD2, is a self-diagnostic and reporting system in modern vehicles. It consists of an Electronic …