- 13 – Transistors.
- 14 – Relays
- 15 – Temperature sensors
- 16 – Getting to know servos
- 17 – Prototype with joystick and servo
- 18 – Prototype with distance sensor
- 19 – Keypads
- 20 – Buzzers
- 21 – LDR Photosensors
- 22 – Shift Registers
- 23 – Some basic ideas on computing science
- 24 – Temperature sensor DHT11
- 25 – Arduino boards and memory types
- 26 – Arduino and water sensors
- 27 – Arduino and flame sensors.
- 28 – Tilt Switch.
- 29 – Temperature sensor and a fan
- 30 – PIR sensor: movement sensor.
- 31 – Inertial Measurement Units (IMUs).
- 32 – Using the MPU6050.
- 33 – Coming back to relays.
- 34 – Arduino Relay Shield V1.
- 35 – Relay modules and Optocouplers.
- 36 – 4 channel Wireless Switch
- 37 – Solid state relays