Pololu 1980 - Nylon Spacer: 2mm Length, 5mm OD, 3.3mm ID (50-Pack)

Vector network analyzer with two ports. It can perform measurements for frequencies from 50 kHz to 4.4 GHz. Equipped with an LCD display, it can be connected to a computer via USB. Nanovna V2 4"

Vector network analyzer with two ports. It can perform measurements for frequencies from 50 kHz to 3 GHz. Equipped with an LCD display, it can be connected to a computer via USB. NanoV2 3.2"

SDR (Software Defined Radio) receiver that allows you to receive signals in the frequency range from 10 kHz to 1 GHz. It is ideal for both monitoring low frequencies and receiving signals on higher bands

Thermal imaging camera module with an MLX90640 infrared sensor and a 2.8" TFT LCD display. It offers an accuracy of 2°C and a viewing angle of 55°x35°.

Li-Fe battery monitor that can measure voltage, current, power during charging and discharging, and watt-hours consumed and run time. The user can use a mobile application and a computer to control the measuring module. Juntek KG110F

Antenna dedicated to communication in LoRa networks in the 868 MHz frequency band. Equipped with an RP-SMA connector. SparkFun WRL-18083

Visible spectrum emitter module that combines 9 discrete LEDs covering visible light wavelengths from 455 to 720 nm. It uses Qwiic connectors and I2C communication as well as a USB type C socket to power the module. SparkFun SPX-21316

Switch module with a maximum voltage of 12 V and a current of 10 A based on a MOSFET transistor, controlled by a digital pin. It is equipped with a screw connection and a status LED. SparkFun SPX-19799

Power monitor module that detects voltages up to 60 VDC and current up to 30 A. It uses the Allegro MicroSystems ACS37800 IC, which simplifies adding monitoring to power systems. SparkFun SPX-17873

A Thing Plus development board that combines the Matter protocol and the Qwiic SparkFun ecosystem to facilitate the prototyping of IoT devices. It uses the MGM240P module from Silicon Labs, which provides secure connectivity for both 802.15.4 with Mesh (Thread) and Bluetooth® Low Energy 5.3 protocols. SparkFun DEV-20270

WM8960 stereo codec module with driver for 1W class D speakers and headphones. It uses the I2S interface and the I2C bus to configure the system. SparkFun BOB-21250

WM8960 stereo codec module with driver for 1W class D speakers and headphones. It uses the I2S interface and the I2C bus to configure the system. SparkFun BOB-21772

MP3 player module controlled by I2C interface or switching inputs. It is based on a 1.4 W audio amplifier. The board has a 3.5 mm audio output and a connector for connecting a loudspeaker. Files are played from a microSD card. SparkFun DEV-19030

A set with an adapter dedicated to the FLIR Lepton thermal imaging camera and the Lepton FS camera. It has been pre-configured to operate as a plug-and-play UVC 1.0 USB camera, it can also communicate via UART and I2C interface. SparkFun DEV-20813

Motion detection module featuring Panasonic\'s EKM series PIR sensor. The EKM series is optimised for detecting small movements and is ideal for detecting movement in a small area around the sensor. It offers digital output in 32 zones with a detection distance of 5 m and a detection area of 90° x 90°. SparkFun SEN-22000

LiPo battery monitor module based on the MAX17048 chip. Allows the voltage and state of charge of the battery to be measured. SparkFun SPX-17715