Learn Arduino programming by creating 150+ Arduino tutorials and projects with step by step instructions and example sketches in Arduino IDE
The best sound sensor and microphone modules for Arduino, ESP32 and Raspberry Pi: 7 picks including INMP441 and SPH0645 I2S MEMS mics, MAX4466 and MAX9814 analog amplifiers, the SparkFun Sound Detector and KY-037 / LM393 sound triggers, compared on output, gain, supply voltage and noise.
The best flex and bend sensors for Arduino, ESP32 and robotics: SparkFun Flex 2.2″, FSR402, 4.5″ flex strips, FSR406 pads and the 30 kg MD30-60, with live-verified Amazon links.
The best Hall effect sensors for Arduino, ESP32 and Raspberry Pi: 7 picks including the A3144 switch, SS49E/AH49E linear sensors, KY-003 and KY-024 modules, the AS5600 magnetic encoder and the MLX90393 3-axis sensor, compared on output type, supply voltage, polarity and use case.
The best load cell and HX711 kits for Arduino, ESP32 and Raspberry Pi: 8 picks covering 1kg, 5kg, 10kg and 20kg straight-bar kits, 50kg half-bridge body-scale sets, an S-type load cell and the SparkFun HX711 amplifier, compared on capacity, cell type, what is in the box and real-world use.
The best PIR motion sensors for Arduino, ESP32 and Raspberry Pi: 7 picks including HC-SR501, AM312, HC-SR505 and the RCWL-0516 and LD2410C radar alternatives, compared on supply voltage, idle current, range, adjustability and output.
The best geared DC motors for robotics and Arduino projects: 8 picks including TT, N20, JGA25-370 encoder, 37mm metal gearmotors and a self-locking worm drive, compared on voltage, RPM, torque, gearbox and encoder feedback.
The best CNC shield and GRBL controller kits, compared: Arduino CNC Shield V3 + A4988 and DRV8825 kits, plug-and-play GRBL 1.1f boards for 3018 routers, an offline hand-controller bundle and the 32-bit ESP32 MKS DLC32, with verified Amazon links, real specs and honest pros and cons.
8 electronic speed controllers ranked for drones, fixed-wing planes, RC cars, rovers and Arduino robots, from Hobbywing Skywalker and QuicRun to BLHeli_S 30A and 4-in-1 FPV boards, with verified Amazon listings and real specs.
⚠️ Affiliate Disclosure: This post contains Amazon affiliate links. 8 large Raspberry Pi touchscreens ranked, from the Waveshare 7″ HDMI LCD and the official Touch Display 2 to sharp 1280×800 10.1-inch panels, with real specs, honest verdicts and direct Amazon links.
The best WS2812B and NeoPixel addressable LEDs compared: 60 and 144 LED/m strips, IP67 waterproof reels, 24-LED rings, 8×32 and 16×16 matrices, SK6812 RGBW and loose pixels for Arduino, ESP32 and WLED projects.