Interactive Infographic Posters¶

Explore Raspberry Pi hardware, electronics, networking, and physical-computing concepts through interactive labeled diagrams and comparison posters.

Active vs. Passive Piezo Buzzer: What's Inside

Compare the internal construction of active and passive piezo buzzers.
AI HAT+ Board Anatomy

See how the AI accelerator board attaches to a Raspberry Pi 5.
Ambient vs. Reactive Lighting Modes

Compare two ways to animate an RGB keyboard.
Anatomy of a Basic Circuit Schematic

Learn the symbols and conventions in a simple series LED circuit.
Anatomy of a Cron Schedule Expression

Break down the five time fields and command in a cron expression.
Three Ways to Close a Digital Switch

Compare push-button, tilt-switch, and reed-switch mechanisms.
DS3231 Real-Time Clock Module Anatomy

Identify the RTC chip, crystal, battery holder, and I2C pins.
HTTP vs. MQTT

Contrast request/response and publish/subscribe messaging.
I2C vs. SPI: Two Ways to Wire a Display

Compare the physical wiring required by I2C and SPI displays.
Anatomy of an LED

Examine a standard LED's polarity markers and internal parts.
Microcontroller vs. Linux Computer

Contrast a Pico microcontroller with a Pi 500+ Linux computer.
Anatomy of a Multimeter

Identify a digital multimeter's display, dial, ports, and probes.
Four NeoPixel Animation Techniques Compared

See how fade, chase, sparkle, and rainbow animations differ.
Anatomy of a NeoPixel LED Strip

Explore a WS2812B strip's construction and connector points.
Raspberry Pi Camera Module Anatomy

Follow the camera module and CSI cable connection to a Pi 5.
Raspberry Pi 5 Active Cooling Anatomy

Inspect the parts of the Raspberry Pi 5 Active Cooler.
Choosing a Pi 5 Case: Airflow Comparison

Compare sealed, passively vented, and active-cooling cases.
Pi 5 Storage Options Compared

Compare microSD, USB 3.0, and NVMe storage.
Pi 500+ RGB Keyboard Anatomy

Tour the keyboard's per-key lighting zones and hardware.
Raspberry Pi 5 Board Anatomy

Identify the Raspberry Pi 5's ports, connectors, and chips.
Raspberry Pi OS Desktop Environment Anatomy

Tour the taskbar, file manager, and terminal window.
raspi-config System Configuration Tool Map

Find SSH, VNC, hostname, and other system settings.
Reading a Resistor's Color Code

Decode a four-band resistor's resistance value.
Sensors vs. Actuators: The Physical Computing Toolkit

Sort common physical-computing components by their role.
Anatomy of an SSD1306 OLED Module

Inspect a breadboard-friendly OLED display module.
Anatomy of the No-Display STEM Robot

Identify the major hardware on an assembled robot chassis.
Sticker Price vs. Total Cost of Ownership

Compare sticker prices with realistic complete-system costs.
TFT / Round Display SPI Pinout

Identify the pins on rectangular and circular SPI displays.
Ultrasonic vs. Time-of-Flight

Compare two approaches to measuring distance.
Anatomy of a Wearable Watch Build

See how the display, Pico, RTC, battery, and enclosure fit together.
Wi-Fi vs. Bluetooth Low Energy

Compare wireless range, power use, and connection patterns.