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…
Electronics
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…
I2C, SPI, or UART - Which Serial Communication Protocol To Adopt?
UART , SPI , and I2C are all serial communication protocols used to connect microcontrollers to peripherals. SPI is fastest (high-speed display/SD…
Adding Ethernet + Arduino = Network Device
Your Arduino project needs Internet connectivity, and you want it cheap as well? Spend a couple of dollars and less than an hour, and you will have i…
Which one, I2C or SPI Protocol for my Project?
Choose SPI for high-speed data transfer (displays, SD cards, fast sensors) over short distances. Choose I2C for simplicity, fewer wires (2), and conn…
SPI - Serial Communication Bus Protocol
SPI (Serial Peripheral Interface) is a common serial communication bus used in embedded systems to connect microcontrollers to peripheral devices. It…
UART - Duplex-Serial Communication Bus Protocol
UART (Universal Asynchronous Receiver-Transmitter) is a very common communication protocol, especially in embedded systems, microcontrollers, and low…
I2C - Serial Communication Bus Topology
I2C (Inter-Integrated Circuit) is an extremely common, widely used serial communication bus in embedded systems, IoT devices, and electronics for c…
What is ESP32-H?
Espressif is a very popular brand that develops System-On-Chips (SoCs) and development boards. It has a different series of ESP boards. These include…
MOSFET banks. Series & Parallel
Series (left) and parallel (right) arrangements of N- MOSFET s. Can MOSFETs be used in Series connections? Yes, MOSFETs can be connected in series …
A7672S based GNSS Tracker by VALTRACK (V4-VTS-ESP32-C3)
A GNSS Tracker based on ESP32-C3 + A7672S 4G Module You should find majority of the details needed for using the hardware here ⚡ Introduction …
SIM800L GPRS-GSM Module - Voice Calling & SMS
Whether you want to monitor your home from afar or activate the sprinkler system in your garden with a missed call; then the SIM800L GSM/GPRS module …