Protection circuit for four Li-Ion cells with a voltage of 14.8V. The module has the function of charging cells with the option of a balancer, discharging and a function that protects the cells from excessive discharge. The cells can be charged with continuous current up to 10A

Stabilizer 7905 -5 V / 1 A, housing TO-220.

The trigger module is designed for chargers PD 2.0 and PD 3.0. It is equipped with a USB type C input and output on pads. Allows you to power devices with 5 V, 9 V, 12 V, 15 V and 20 V and test chargers by replacing the PD device

Step-Down converter with an output voltage of 5 V, input voltage from 4.5 to 40 V and a maximum current of 2 A. The board is equipped with a segment LED display and a USB output

Step-Down converter D36V28F7 with an output voltage of 7.5 V, an input voltage from 8 to 50 V and a maximum output current of 3.7 A. Pololu 3784

A module with a 3-channel ADC ADC ADS1015, which allows you to read voltages from -24 V to +24 V with a sampling frequency of up to 3.3 kHz and a resolution of 12 bits. Pimoroni PIM422

LCD-CG-C128064A-FIA K/A-E6 display is a 128×64 graphic module with an ST7567 controller and serial interface, powered by 3.3 V. Manufactured with FSTN technology, featuring a wide operating temperature range and white LED backlight, it is used in industrial, medical, and measurement devices.

Sharp GP2Y1010AU0F dust and particle concentration sensors. It is supplied with the voltage from 5 to 7V. Has an analog output. DFRobot SEN0144

Female-female cable, 16 cm long, with JST-SH 6-pin plug on both sides. Suitable for micro DC motor encoders with gear. Pololu 4766

The POT0020 potentiometer enables precise adjustment of electrical parameters in applications requiring stability and accuracy. Designed for panel mounting, it is equipped with flat solder terminals and resistant to long-term use.

Module with IPS LCD display with a diagonal of 2" and a resolution of 320x240 px. Communication via the SPI interface. Waveshare Pico-LCD-2

A step-down converter module that allows you to reduce the input voltage from 12.2–36 V to a stable 12 V, ensuring high efficiency thanks to SMPS technology. A maximum output current of 600 mA allows you to power microcontrollers, IoT modules, and other electronic systems. The device is equipped with short circuit and overheating protection and offers very low quiescent current. Pololu 5597

A small module for learning how to solder. It allows you to build a small device with two LEDs that turn on when the light intensity changes

Black pressed heat sink made of aluminum. It has dimensions of 25x20.5x7 mm, intended for TO220 package. FK220SA220

Switch module with a maximum voltage of 40 V and a current of 10 A, based on a MOSFET transistor, HT0740 driver and I2C expander. It has a screw connection and a status LED. Pimoroni PIM455

Module with 117x7 LED matrix display (77 LEDs). It uses the IS31FL3731 driver and communicates via the I2C interface. Pimoroni PIM442

AVR, 128kB Flash, 4kB RAM, 4kB EEPROM, 2xUART, PWM, SPI, ADC, TQFP64, RoHS