Technical data, tools and notes for refrigeration and electronics technicians.

image_pdfimage_print
MicroSD cards connect to microcontrollers over SPI or SDIO mbsmpro
8, Jan 2026
MicroSD cards connect to microcontrollers over SPI or SDIO

Mbsmpro.com, MicroSD Interface, SPI Wiring, CS MOSI MISO SCK, 3.3V Level Shifter, Pinout, Data Logging

Typical forward voltages vary by LED color mbsmpro
8, Jan 2026
Typical forward voltages vary by LED color

Mbsmpro.com, LED Forward Voltage Chart, Red Green Blue White Yellow Orange, Vf Ranges, Resistor Calculation, Driver Selection

AMS1117 Voltage Regulator mbsmpro
8, Jan 2026
AMS1117 Voltage Regulator

Mbsmpro.com, AMS1117 Voltage Regulator, Common Mistakes, Thermal Design, 1.2V–5.0V, Decoupling, Layout, Alternatives

mbmpro-2026-01-08_235817-mbsmpro mbsmpro
8, Jan 2026
Copper Pipe Flaring: Common Mistakes and How to Avoid Them in HVAC and Plumbing Installations

Mbsmpro.com, Copper Pipe, Flaring, HVAC, Plumbing, R600a, Mini-Split, Leak Prevention, Soft Copper, Flaring Block, 1/4", 3/8", 1/2", 5/8", Refrigerant Line

Embraco FMXY9C Compressor: R600a, 1/6 HP mbsmpro
8, Jan 2026
Embraco FMXY9C Compressor: R600a, 1/6 HP

Mbsmpro.com, Compressor, FMXY9C, Embraco, R600a, 1/6 hp, Cooling, 220-240V, 1Ph 50Hz, LBP, Fullmotion, Inverter, −35°C to −10°C, CE UL, Austria

Mechanical Defrost Timer LUFO HPT-02: Wiring mbsmpro
8, Jan 2026
Mechanical Defrost Timer LUFO HPT-02: Wiring

The LUFO HPT-02 mechanical timer alternates between defrost and cooling cycles in refrigeration systems. Rated at 120 VAC and 15A, it offers reliable control with a simple 4-terminal wiring setup.

Jiaxipera VTH1113Y Compressor: R600a mbsmpro
8, Jan 2026
Jiaxipera VTH1113Y Compressor: R600a

Jiaxipera VTH1113Y is a high-efficiency inverter compressor using R600a refrigerant. Designed for LBP applications, it operates on 220-240V and offers quiet, reliable cooling for household refrigerators.

Blue Star Inverter AC Error Codes mbsmpro
8, Jan 2026
Blue Star Inverter AC Error Codes

Blue Star inverter ACs display error codes to help technicians diagnose faults quickly. This guide covers models BO-IC312YATU, BO-IC318YBTU, and BO-IC324YATU, offering tables, comparisons, and expert advice.

The Value of Correct Identification mbsmpro
8, Jan 2026
HVAC Valve Cores

Excerpt: Valve cores are vital for HVAC and refrigeration systems. This guide explores Schrader valve types, pressure ratings, material choices, and engineering tips for optimal performance and leak prevention.

Flaring Tool Guide mbsmpro
8, Jan 2026
Flaring Tool Guide

A bar-type flaring tool is essential for creating leak-proof connections in copper tubing. Its multiple size openings handle various tube diameters, while the adjustable T-handle provides precise control. This guide covers proper technique, common mistakes, and tool selection.