Buck Boost
Buck-Boost Regulators: How They Work A conceptual/reference doc on buck-boost DC-DC regulators — operating principle, the two dominant topologies (single-switch inverting
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General Engineering
From the Notebook
CAN
CAN (Controller Area Network) Best for: Automotive and harsh industrial networks requiring real-time, highly reliable, multi-master communication. How it works: Uses differential signaling
Read more →I2C
I2C (Inter-Integrated Circuit) Best for: On-board, short-distance chip-to-chip communication (sensors, displays, EEPROMs). How it works: Uses two bidirectional, open-drain
Read more →One-Wire
One Wire One-Wire (1-Wire) Best for: Extremely low-speed, low-cost monitoring (digital thermometers like the DS18B20, iButtons). How it works: Developed by
Read more →Power Loss Protection
Power-Loss Protection: Detection, Hold-Up, and Capacitor Health A working reference on power-loss protection (PLP) circuits — using the discrete detector built for the
Read more →RS485
RS485 Best for: Long-distance, multi-drop industrial environments (motor controls, PLCs, building automation). How it works: Uses a differential signaling standard across a twisted
Read more →SPI
SPI (Serial Peripheral Interface) Best for: High-speed, short-distance data transfer on a single circuit board. How it works: Uses four wires: Master Out
Read more →UART/RS232
4. UART / RS232 Best for: Simple point-to-point communication between two devices (debugging consoles, simple modems). How it works: Asynchronous protocol using just two
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