LIS2DH12

The MQ-9 sensor allows the measurement of gas concentrations such as carbon monoxide, propane and methane. Sensor measuring range: 10 - 10,000 ppm

Ultra-low-power 32-bit MCU ARM®-based Cortex®-M0+, 64KB Flash, 8KB SRAM, 2KB EEPROM, LCD, USB, ADC, DAC, AES, LQFP64 STM, RoHS

GD32F150R8T6, ARM Cortex-M3 microcontroller; SRAM: 8kb; Flash: 64kb; 72MHz; LQFP64

Small Signal Diode, SOD80, Fairchild Semiconductor, RoHS

ARM Cortex-M0 CPU, 32kB Flash, 4kB RAM, 1xUART, 1xI2C, 1xSPI, ADC, TSSOP20, STM, RoHS

ARM Cortex-M3 CPU, 64kB Flash, 10kB RAM, 3xUART, 2xI2C, 2xSPI, ADC, STM, LQFP100, RoHS

ARM7TDMI, 128kB Flash (ISP), 64kB RAM, 2xUART, I2C, SPI, LQFP48, RoHS

The ST1S09IPUR is a compact, synchronous buck regulator with a 2 A output current, designed for efficient power systems in mobile, industrial, and embedded applications. Integrated transistors and high switching frequency enable the design of miniature, low-noise converters with adjustable output voltage.

MP3202DJ, 1.3A Fixed Frequency  White LED Driver, TSOT-23-6

Precision amplifier designed to measure the current on the shunt resistor in the SOT23-5 housing. STMicroelectronics TSC101AIYLT