48V 2A, Flexible Step-Down Switching Regulator, SO-8 DC-DC Step-Down Switching Regulator SOIC*3.9x4.9mm*P1.27mm*

The BOSCH BMM350 is a high-performance 3-axis magnetic sensor designed for a wide range of consumer applications, including magnetic compass functionality, virtual/augmented/mixed reality applications, high-end gaming, platform stabilization for image stabilization, and indoor navigation and dead-reckoning in robotics. Manufactured by Bosch Sensortec, this component leverages Tunnel Magneto Resistance (TMR) technology to provide precise magnetic-to-digital conversion. The BMM350 is housed in an ultra-small Wafer Level Chip Scale Package (WLCSP) measuring 1.28mm x 1.28mm x 0.5mm, making it ideally suited for mobile applications where space is at a premium. It features digital interfaces (I2C, I3C) for flexible system integration and operates across a wide voltage range from 1.72V to 3.6V. This sensor is designed to deliver high performance with an excellent temperature behavior characterized by low temperature coefficients for offset (TCO) and sensitivity (TCS), ensuring reliability and accuracy across its operational temperature range of -40°C to +85°C. Each device is tested and calibrated, ready for integration into a variety of applications, supported by an API for quick system development.

The MP28167-A is a synchronous, four-switch, integrated buck-boost converter capable of regulating output voltage across a wide 2.8V to 22V input voltage range with high efficiency. The integrated output voltage scaling and adjustable output current limit functions meet USB power delivery (PD) requirements. The MP28167-A uses constant-on-time (COT) control in buck mode and constant-off-time control in boost mode, providing fast load transient response and smooth buck-boost mode transient. The MP28167-A provides automatic pulse-frequency modulation (PFM) mode, automatic pulse-width modulation (PWM) mode, and forced PWM switching mode. It also provides a configurable output constant current (CC) limit that supports flexible design for different applications. Full protection features include over-current protection (OCP), over-voltage protection (OVP), under-voltage protection (UVP), configurable soft start (SS), and thermal shutdown. The MP28167-A is available in a QFN-16 (3mmx3mm) package.

The ESP-PSRAM64 and ESP-PSRAM64H, introduced by Espressif Systems, are 64 Mbit serial pseudo SRAM devices designed for high-speed, low-voltage applications in the electronics industry. These components are organized in an 8Mx8 bit configuration and utilize high-performance CMOS technology for reliability and efficiency. The ESP-PSRAM64 operates at a voltage of 1.8V and supports a maximum clock rate of 144 MHz, while the ESP-PSRAM64H is designed for 3.3V operations with a maximum clock rate of 133 MHz. Both variants offer flexible access through Serial Peripheral Interface (SPI) and Quad Peripheral Interface (QPI) modes, catering to applications requiring fast data rates. They are packaged in SOP8-150 mil, ensuring compatibility with standard PCB layouts. Key features include burst operations with a lower max input clock frequency of 84 MHz when crossing page boundaries, unlimited reads and writes to the memory array, and a self-initialization process upon power-up. These PSRAM devices are ideal for applications in embedded systems where high bandwidth and low power consumption are critical.

The Microchip PIC18F2455/2550/4455/4550 series comprises high-performance, enhanced flash USB microcontrollers featuring nanoWatt technology. These devices are designed to operate with a wide voltage range (2.0V to 5.5V) and offer a variety of features including USB V2.0 compliant modules supporting low speed (1.5 Mb/s) and full speed (12 Mb/s) communication, up to 32 endpoints, and 1-Kbyte dual access RAM for USB. Additionally, they are equipped with a comprehensive set of peripherals such as high-current sink/source I/O ports, multiple timers, up to 13-channel 10-bit Analog-to-Digital Converters, Enhanced Capture/Compare/PWM (ECCP) modules, and serial communication interfaces including MSSP and EUSART modules. These microcontrollers are particularly suitable for applications requiring connectivity, precise timing, and analog interfacing in power-sensitive designs, thanks to their flexible oscillator structure, power-managed modes, and extended instruction set optimized for C compiler use. The devices' memory configuration includes up to 32K bytes of flash program memory, 2K bytes of RAM, and 256 bytes of EEPROM, supporting a wide range of application requirements.

2.4GHz -98dBm SMD,19.2x18mm RF Transceiver Modules and Modems RoHS The ESP32-WROOM-32UE-N16 is a 2.4 GHz wireless MCU module built around the ESP32 SoC. It combines a dual-core processor, integrated Wi-Fi (802.11 b/g/n) and Bluetooth 4.2 (Classic + BLE), along with rich peripherals. The “UE” variant specifically uses a U.FL / IPEX connector for an external antenna, making it ideal for applications that require better RF performance or flexible antenna placement (e.g., enclosed products or long-range communication). The “N16” indicates 16 MB external flash memory, suitable for large firmware, OTA updates, and data-heavy applications. Processing Dual-core Xtensa LX6 32-bit CPU Clock speed up to 240 MHz Memory 16 MB Flash (N16 variant) ~520 KB SRAM + 448 KB ROM Connectivity Wi-Fi: 802.11 b/g/n (up to 150 Mbps) Bluetooth: v4.2 (BR/EDR + BLE) Frequency: 2.4 GHz band Antenna External antenna via U.FL connector Better range and flexibility vs PCB antenna Interfaces / Peripherals GPIO (≈26 usable pins) UART, SPI, I2C, I2S, SDIO ADC, DAC PWM (LED & motor control) Capacitive touch sensing Security Hardware encryption: AES, SHA, RSA Secure boot & flash encryption support Power Operating voltage: 3.0V – 3.6V (typ. 3.3V) Multiple low-power modes for battery applications Environmental Operating temperature: -40°C to +85°C Physical Surface-mount module (~38 pins / 52 pads depending on reference) Compact and RF-shielded design Typical Applications Smart home devices (IoT) Industrial automation Wireless sensors and data loggers Wearables and consumer electronics Remote monitoring systems #Module #ESP32

Flip type 8P Bottom Contact Horizontal attachment 0.5mm SMD,P=0.5mm,Surface Mount，Right Angle FFC, FPC (Flat Flexible) Connector Assemblies ROHS FFC/FPC Connectors AFC01-S08FCA-00 FPC-SMD_P0.50-8P_FGS-XJ-H2.0 LCSC Part Number: C262657 JLCPCB Part Class: Extended Part Manufactured by JS(钜硕电子)

Flip type -25℃~+85℃ 20P Bottom Contact Horizontal attachment 0.5mm SMD,P=0.5mm,Surface Mount，Right Angle FFC, FPC (Flat Flexible) Connector Assemblies ROHS FPC-05F-20PH20 FPC-SMD_20P-P0.50_XUNPU_FPC-05F-20PH20 LCSC Part Number: C2856803 JLCPCB Part Class: Extended Part Manufactured by XUNPU(讯普)

Flip type -25℃~+85℃ 40P Dual-sided contacts / top and bottom connection Horizontal attachment 0.5mm SMD,P=0.5mm,Surface Mount，Right Angle FFC, FPC (Flat Flexible) Connector Assemblies ROHS FPC-05FB-40PH20 FPC-SMD_40P-P0.50_XUNPU_FPC-05FB-40PH20 LCSC Part Number: C2856837 JLCPCB Part Class: Extended Part Manufactured by XUNPU(讯普)

Flip type -25℃~+85℃ 40P Bottom Contact Horizontal attachment 0.5mm SMD,P=0.5mm,Surface Mount, Right Angle FFC, FPC (Flat Flexible) Connector Assemblies ROHS FFC/FPC Connectors FPC-05F-40PH20 FPC-SMD_40P-P0.50_FPC-05F-40PH20 LCSC Part Number: C2856812 JLCPCB Part Class: Extended Part Manufactured by XUNPU(讯普)

Flip type 40P Bottom Contact Horizontal attachment 0.5mm SMD,P=0.5mm,Surface Mount，Right Angle FFC, FPC (Flat Flexible) Connector Assemblies ROHS AFC01-S40FCA-00 FPC-SMD_P0.50-40P_FGS-XJ-H2.0 LCSC Part Number: C262674 JLCPCB Part Class: Extended Part Manufactured by JS(钜硕电子)

Drawer Type 24P Contact,Top Horizontal attachment 0.5mm SMD,P=0.5mm,Surface Mount，Right Angle FFC, FPC (Flat Flexible) Connector Assemblies ROHS FFC/FPC Connectors AFC07-S24ECA-00 FPC-SMD_AFC07-S24ECA-00 LCSC Part Number: C262643 JLCPCB Part Class: Extended Part Manufactured by JS(钜硕电子)

Flip type 10P Bottom Contact Horizontal attachment 0.5mm SMD,P=0.5mm,Surface Mount，Right Angle FFC, FPC (Flat Flexible) Connector Assemblies ROHS AFC01-S10FCA-00 FPC-SMD_P0.5-10P_FGS-XJ-H2.0 LCSC Part Number: C262659 JLCPCB Part Class: Extended Part Manufactured by JS(钜硕电子)

Drawer Type 40P Contact,Top Horizontal attachment 0.5mm SMD,P=0.5mm,Surface Mount，Right Angle FFC, FPC (Flat Flexible) Connector Assemblies ROHS AFC07-S40ECA-00 FPC-SMD_P0.50-40P_LCS-SJ-H2.0 LCSC Part Number: C262648 JLCPCB Part Class: Extended Part Manufactured by JS(钜硕电子)

Flip type -25℃~+85℃ 50P Dual-sided contacts / top and bottom connection Horizontal attachment 0.5mm SMD,P=0.5mm,Surface Mount，Right Angle FFC, FPC (Flat Flexible) Connector Assemblies ROHS FPC-05FB-50PH20 FPC-SMD_50P-P0.50_FPC-05FB-50PH20 LCSC Part Number: C2856838 JLCPCB Part Class: Extended Part Manufactured by XUNPU(讯普)

FFC Cable (Flexible Flat Cable) JS05B-14P-150-4-8 FPC-SMD_14P-P0.50_FPC-0.5FX-14PWCR-H20 LCSC Part Number: C2857707 JLCPCB Part Class: Extended Part Manufactured by JS(钜硕电子)

FFC, FPC (Flat Flexible) Connector Assemblies 0.5K-1.5-18PWB FPC-SMD_18P-P0.50_0.5K-1.5-18PWB LCSC Part Number: C3041168 JLCPCB Part Class: Extended Part Manufactured by HDGC(华德共创)

FFC Cable (Flexible Flat Cable) JS10B-14P-050-4-8 FPC-SMD_12P-P1.00_ZX-1.0FPC-2H-QFX12P LCSC Part Number: C2857801 JLCPCB Part Class: Extended Part Manufactured by JS(钜硕电子)

AvocAudio is a compact tinyML community board designed for extensive audio data collection for various tinyML applications. It leverages the Raspberry Pi RP2040 and integrates a LoRa-E5 LoRaWAN Transceiver Module for connectivity. Equipped with an SD card slot for local data storage, the board ensures efficient data collection. The board operates on solar power or a lithium-ion battery, ensuring flexible and efficient energy use. #audioDevices #raspberryPi #rp2040 #lorawan #iot #solar