DFRobot Gravity - 4-pin adapter for sensors

Module with three voltage analog outputs ranging from 0 to 10 V. It communicates via the RS485 interface and supports the Modbus RTU protocol. The board is enclosed in an industrial housing. Wellpro WP3079ADAM

Module with a 16-channel GPIO expander with the ability to control LEDs. It communicates via the I2C interface. Waveshare AW9523B IO Expansion Board

Stereo audio amplifier with Bluetooth 4.2 communication. It can be powered with the voltage from 19 to 24 V and has two outputs with a power of 80 W

Deflection sensor 114 mm long. The sensor resistance changes with the bend angle. At the end, the sensor has a 2-pin connector with a pitch of 2.54 mm. SparkFun SEN-08606

Pololu Simple High-Power Motor Controller 24v12

Module with a button, LED diode and a green cap. DFRobot DFR0029-G

Integrated capacitive fingerprint sensor communicating with the external system via the UART interface. The module has a rectangular-shaped sensor field and takes a fingerprint image with a resolution of 160x160 pixels (508dpi). Waveshare UART Fingerprint Sensor (E)

KAmodLPS331 is a module that allows the measurement of atmospheric pressure in the range of 260 - 1260 hPa with a resolution of 0.02 hPa. Supply voltage 2.5 - 5.5 V,

32-channel IO expander with 7 analog inputs. It communicates via the USB interface. Enclosure included. Numato Lab GP320001E

LC filter connected to the output of the DC power supply with a voltage from 0 to 50 V and a maximum current of 3 A. It reduces voltage ripple and interference caused by the power supply

The shunt regulator has an adjustable 4 ... 18V voltage, a 1.5 Ohm shunt resistance and a total of 32 SMT bypass resistors on both sides of the PCB. Pololu 3778

The AC-DC converter module converts the voltage in the range of 90-264V AC to 12V DC with a maximum current of 600mA and a power of 3W. It is characterized by a long life (MTBF 100,000 h), a slow start of 50 ms, and a maximum input current of 0.2A.

A set with a TIMI-96 module equipped with a 0.96" TFT LCD display with a resolution of 160x80 px, controlled by a PIXXI-28 controller and a Mates Programmer. SparkFun DEV-19252

Speech recognition module with LD3320 chip, STC11 microcontroller, microphone and loudspeaker output. The board communicates via the UART interface

LM35 analog temperature sensor module for Arduino. DFRobot DFR0023

The TDA7377 2x35W audio amplifier module is a compact device providing powerful stereo sound with a power of 70W (2x35W per channel). With a wide voltage range, a variety of speaker configurations and compact dimensions, it is an ideal solution for improving sound quality in a variety of audio applications.