Keybow 2040 Bare - module for building a 4x4 keyboard with illuminated buttons

5-button keyboard module with analog output

The module allows you to connect 4 arcade buttons with LED backlight. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 5296

Module with a button and yellow LED backlight. The board is equipped with a Gravity connector and communicates via a digital interface. DFRobot DFR0785-Y

Mini keyboard with 16 buttons and RGB backlight. Equipped with a connector compatible with Grove, it communicates via the I2C interface. Adafruit 3954

Module with 12-position rotary switch. It is supplied with the voltage ranging from 3.3 V to 12 V and has an analog output (Gravity connector). DFRobot SEN0156

Conductivity Sensor Switch DFRobot is a touch button that allows you to change the sensor output status by connecting terminals (positive and negative) using metal, human body or fruit and plants. It is powered by 3.3 ... 5 V. DFRobot SEN0223

The modTTP223 module is a capacitive touch sensor that detects touch on the sensor surface and generates a digital output signal. With its compact size (14 x 11 mm) and operating voltage range of 2 V to 5.5 V, it is ideal for integration with microcontrollers such as Arduino or Raspberry Pi in projects requiring a touch interface.

Module with a button and red LED backlight. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 111020044

Module with a button and blue LED backlight. The board is equipped with a Gravity connector and communicates via a digital interface. DFRobot DFR0785-B

Touch keyboard module with 4 buttons based on the TTP224 system. It is equipped with a connector with derived signals and 4 LEDs signaling the state of each button

Touch keyboard module with 16 buttons based on the TTP229 chip. It is equipped with a connector with derived signals and a power supply diode

Module with a button and green LED backlight. Controlled by the I2C interface, it has a built-in debouncing mechanism, pull-up resistors as well as interrupts and a FIFO queue. SparkFun BOB-16842

The 4x4 Membrane Keyboard Module with 16 Buttons is compatible with Raspberry Pi, Arduino, AVR and other microcontrollers. It is lightweight, durable and easy to assemble, making it ideal for various electronics projects. ModKB4x4

KAmodPCF8883T is a module with capacitive touch sensor PCF8883 from NXP. The module has a probe placed on the PCB and a diode indicating the state of the chip. It enables work in one of three modes.

Module with a button, LED diode and a white cap. DFRobot DFR0029-W

Module with a button and red LED backlight. The board is equipped with a Gravity connector and communicates via a digital interface. DFRobot DFR0785-R