This is an example configuration between a Raspberry Pi 4 and a PIR Sensor that uses an ADC (MCP3008) to convert analog signals to digital signals.

Welcome to your new project. Imagine what you can build here.

SPI Configuration for Raspberry Pi 4B and 3D Gyrometer/Accelerometer (TSYS01)

An example development and reference design for the ESP32 microcontroller.

A preliminary design for developing SMT32F4x series based project that’ll help you get started faster.

Two separate simulated circuits which demonstrate how step up and step down transformers work.

A simulated circuit that demonstrates how diodes in a bridge configuration convert an AC voltage to DC voltage.

A simulated blinking LED circuit using an astable multivibrator a.k.a "flip-flop" as a square wave generator.