Arduino tutorials and projects

The best flex and force sensors for 2026 — 8 bend, force-sensitive resistor, load-cell and thin-film picks compared on range, size and output for Arduino, ESP32 and robotics.

8 best color sensors for embedded devices compared — TCS34725, AS7341, APDS-9960, TCS3200, ISL29125 and more — on output type, channels, interface and illumination for Arduino, ESP32 and Raspberry Pi color detection projects.

Discover the best IR sensors and obstacle avoidance modules for Arduino, ESP32, Raspberry Pi and robotics projects. Verified ASINs, real specs, honest reviews and direct Amazon links.

The best microSD cards for Raspberry Pi in 2026 — 10 picks compared on A2 random-IOPS, speed class, endurance and value for Pi 4, Pi 5 and Pi Zero, with honest verdicts and direct Amazon links.

7 soil moisture sensors ranked for makers, students and engineers — capacitive vs resistive, TLC555I vs NE555, analog vs digital output — with verified Amazon ASINs, real specs, honest pros & cons, and direct buy links.

7 of the best DC motor driver modules for Arduino, ESP32, STM32 and Raspberry Pi robotics — L298N, TB6612FNG, DRV8833, BTS7960, Cytron MDD10A and more compared on current, voltage, channels and efficiency, with honest verdicts and direct Amazon links.

The best stepper motors and driver kits for 2026 — 8 picks from STEPPERONLINE, BIGTREETECH, ELEGOO and more, compared on torque, current, microstepping and best use-case for robotics, CNC, 3D printers and embedded projects.

The best touchscreen displays for Raspberry Pi in 2026 — 10 DSI, HDMI and GPIO picks from Raspberry Pi, SunFounder, Waveshare, Freenove and Elecrow compared on size, resolution, touch type and interface, with honest verdicts and direct Amazon links.

The best USB to serial adapters for 2026 — 9 RS-232 (DB9) and USB-to-TTL UART picks from FTDI, Prolific and CP210x families compared on chipset, connector, speed and OS support, with honest verdicts and direct Amazon links.