4x4 silicone caps for buttons and LEDs 3mm

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

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

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

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

CAP1188 - 8-Key Capacitive Touch Sensor Breakout - I2C or SPI - Adafruit 1602

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

Touch keyboard module with 8 buttons based on the TTP226 chip. It is equipped with a connector with derived signals and LEDs that indicate the state of each button

A module for building a mechanical keyboard with 16 buttons and backlight. Based on the RP2040 chip, it has sockets compatible with Cherry-MX switches. Pimoroni PIM567

Module for 4 mechanical buttons with LED backlight in the form of NeoPixel diodes. Communicates via I2C. Adafruit 4980

The modKB3x4 module is a 12-button matrix membrane keypad arranged in a 3x4 layout, allowing easy data input in electronic projects. With its compact size and simple interface, it is ideal for integration with microcontrollers such as Arduino or Raspberry Pi in applications requiring a user interface. modKB3x4

The module is equipped with two buttons in red and blue. It communicates via a digital interface and allows you to add simple controls to your M5Stack based project. M5Stack U025

Universal module for building a keyboard. The set consists of a control board with a miniUSB socket and cables with crocodile clips

Numeric keypad module with 12 buttons. The board has the ATtiny85 microcontroller, which processes data from the keyboard and sends it in a convenient form via the I2C interface. SparkFun COM-15290

Switch module with an interlock. DFRobot DFR0423

Module with a button and yellow LED backlight. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 111020045