Circuit Biscuits Learn • Build • Play

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Lesson Hub

Start With A Lesson

Use this hub to move from reading into wiring, testing, and playful projects without guessing what comes next.

Read Build Test Play

How The Site Works

Read In Lessons Open the notes and understand the task first.

Build In Breadboard Follow the saved layout for the lesson wiring.

Test In Biscuit Jar Connect the board and check the hardware behaviour.

Play In Kitchen Try rules, scenes, and creative outcomes.

Choose A Course

Start with the main reading step, then use the lesson chips to jump into build, test, and play when you need them.

Core Circuit Biscuits Course 10 lessons ready

Lesson 1 Meet The Bluepill

Pupil Notes Deep Dive Build Test Play

Lesson 2 LEDs GPIO And Blinking

Pupil Notes Deep Dive Build Test Play

Lesson 3 Commands Modes And State

Pupil Notes Deep Dive Build Test Play

Lesson 4 Displays Pixels And Graphics

Pupil Notes Deep Dive Build Test Play

Lesson 5 Distance Sensing With HCSR04

Pupil Notes Deep Dive Build Test Play

Lesson 6 Motion Sensing With MPU6050

Pupil Notes Deep Dive Build Test Play

Lesson 7 Wireless Control With HC05 And Android

Pupil Notes Deep Dive Build Test Play

Lesson 8 Looking Inside The App And Firmware

Pupil Notes Deep Dive Build Test Play

Lesson 9 Mini Capstone Project

Pupil Notes Deep Dive Build Test Play

Lesson 10 Automation Tool And Control Logic

Pupil Notes Deep Dive Build Test Play

Browse The Full Library

Use this when you already know what document type you want, or when you need the deeper reference material.

Pupil Notes

10 items

Lesson 1 - Meet The Bluepill Pupil Notes Lesson 2 - LEDs GPIO And Blinking Pupil Notes Lesson 3 - Commands Modes And State Pupil Notes Lesson 4 - Displays Pixels And Graphics Pupil Notes Lesson 5 - Distance Sensing With HCSR04 Pupil Notes Lesson 6 - Motion Sensing With MPU6050 Pupil Notes Lesson 7 - Wireless Control With HC05 And Android Pupil Notes Lesson 8 - Looking Inside The App And Firmware Pupil Notes Lesson 9 - Mini Capstone Project Pupil Notes Lesson 10 - Automation Tool And Control Logic Pupil Notes

Device Notes

11 items

Device Notes Index Bluepill STM32F103 MCU MAX7219 LED Matrix Driver WS2812 RGB Matrix MPU6050 Motion Sensor HC-05 Bluetooth Serial Module HC-SR04 Ultrasonic Sensor SSD1306 OLED Module USB CDC Serial Link DFU Bootloader And Flashing The Breadboard

Technical Deep Dives

11 items

Deep Dive 1 - Meet The Bluepill Deep Dive 2 - LEDs GPIO And Blinking Deep Dive 3 - Commands Modes And State Deep Dive 4 - Displays Pixels And Graphics Deep Dive 5 - Distance Sensing With HCSR04 Deep Dive 6 - Motion Sensing With MPU6050 Deep Dive 7 - Wireless Control With HC05 And Android Deep Dive 8 - Looking Inside The App And Firmware Deep Dive 9 - Mini Capstone Project Deep Dive 10 - Automation Tool And Control Logic From Browser Click To GPIO

Course Planning And STEM Mapping

4 items

Course Guides Index UK STEM Curriculum Mapping Overview Assessment And Evidence Ideas Lesson Crosswalk Ages 9-12

Explore Circuit Biscuits

Move between lesson reading, device references, hands-on layouts, and the interactive browser tools without losing context.

Read and Learn

Docs Library Browse pupil notes, technical deep dives, and device notes. Device Notes Jump straight into Bluepill, OLED, matrix, Bluetooth, and sonar hardware notes. Device Gallery See the hardware visually and open related resources.

Build and Test

Breadboard Snapshots Open saved breadboard snapshots or import a wiring JSON. Biscuit Jar Test modules, previews, and saved projects in the main dashboard. Kitchen Create playful rules and actions for the board. Kitchen 8-12 Try the guided kids version with scenes and simpler rules.