ESP32-CAM-MB - base board for ESP32-CAM

The SD3031 precision real-time clock (RTC) module. It has an integrated quartz resonator, on-board SRAM and communicates via an I2C interface. DFRobot DFR0998

Audio module with DAC converter and mono amplifier, designed to work with the Raspberry Pi. Pimoroni PIM541

Two-way speaker crossover with a division frequency of 2500Hz/3000Hz. Works with 4 to 8 ohm speakers and offers up to 250 watts of power

Quartz resonator, housing HC49S (low), RoHS

ROB-12567

Step-Up/Step-Down DC-DC converter module. It has an input voltage of 2.8 to 22 V, an output voltage of 12 V and a maximum output of 2.5 A to 3.5 A. Pololu 4985

Unshielded UTP category 5E Ethernet network cable with RJ45 plugs. Lanberg PCU5-10CC-0300-Y

ARM Cortex-M3 CPU, Low power, 384kB Flash, 48kB RAM, USB, UART, I2C, SPI, ADC, DAC, STM, LQFP100, RoHS

MCS51, 50MHz, 32KB Flash, 12-Bit ADC, 32LQFP, Silicon Laboratories, RoHS

Module with a digital distance sensor with a range of up to 5 cm. It has a digital output that goes low when an object is detected. Pololu 4050

STM32G051K8T6, 32-bit STM32G0 family microcontroller, Arm Cortex-M0+ core, 64 MHz, 64 KB of Flash memory, 18 KB of RAM, LQFP32

Audio preamplifier based on the NE5532 chip. Powered with DC voltage in the range from 9 to 35 V (does not require symmetrical voltage)

The module contains four 5V relays with a maximum current of 10A (250 VAC) and opto-isolated inputs, and with jumpers it is possible to select switching with high or low status. The module is equipped with screw connectors. modRL04_ISO

LED strip with addressable RGB WS2815 diodes on a black PCB. It is powered by 12 V DC, has a length of 1 m and 60 LEDs/m. Protection level IP67