Module with e-Paper display, 4.2" diagonal and 400x300 px resolution with WiFi communication and Bluetooth 4.2. Waveshare 4.2inch e-Paper Cloud Module

Lens with M12 mount and IR filter. It has a focal length of 2.3 mm and a FoV 170°/120°/80°. ArduCAM LN017

Temperature and humidity module, -40C to +125C, 0 - 99.9% RH, AOSONG, RoHS

Temperature and humidity sensor DHT21 / AM2301 in housing, -40 to 80 ° C, 0 -100% RH, RoHS

SINGLE-CHIP USB TO UART BRIDGE, 28VQFN, RoHS, Silicon Labs

Measuring approx 1" x 6", this standard-thickness FR4, gold plate ruler has the most common component packages you\'ll encounter. It also has font size guide, trace-width diagram, and a set of AWG-sized drills so you can gauge your wire thicknesses. Adafruit 1554

Waterproof NeoPixel tape with RGB LED diodes, 1m long, 60 LEDs per meter, diodes are mounted on a flexible black PCB. Adafruit 1376

This breakout board, the ultimate companion for the VLSI VS1053B DSP codec chip, can decode a wide variety of audio formats MP3, AAC, Ogg Vorbis, WMA, MIDI, FLAC, WAV (PCM and ADPCM); it can be used to record audio in both PCM (WAV) and compressed Ogg Vorbis. 8 GPIO pins can be used for lighting up small LEDs or reading buttons. Adafruit 1381

Adafruit 1327

24 individually addressable RGB LEDs arranged in a closely spaced circle, controlled with a single digital output of a microcontroller. Adafruit 1586

A4990 Dual Motor Driver Carrier

4.3-inch e-paper display with 800x600 resolution. The display is equipped with the HX8705-B controller. The display is perfect for energy-saving devices, because it does not require power to display the image

The Step-Down D24V6F3 Buck Voltage Regulator module gives the output voltage of 3.3V with a wide input voltage range of 4.8-42V and a maximum output current of 600 mA. Pololu 2106

The Step-Down D24V6F5 Buck Voltage Regulator module gives the output voltage of 5V with a wide input voltage range of 7-42V and a maximum output current of 600 mA. Pololu 2107

Module for recording sounds, which can store recordings up to 20 seconds. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 107020007

The module with the BS312 PIR sensor, which allows motion detection at a distance from 3.2 to 12 m. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 101020793

Module with a capacitive fingerprint sensor. The board is equipped with a Grove connector and communicates via the UART interface. Seeed Studio 101020713

Pololu 6V Step-Up Voltage Regulator U3V50F6

Pololu 9V Step-Up Voltage Regulator U3V50F9

Pololu 4-Channel RC Servo Multiplexer (Assembled)