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2.5W Stereo Audio Amplifier using LM4752
The Stereo Audio Amplifier project shown here is capable of delivering 2.5W per channel of continuous average output power to 4Ω loads using a single 12V supply at 10% THD+N. The project is built using the LM4752 chip. This chip is specifically designed for single supply operations...
Continue ReadingCooling Fan Controller Using Temperature Sensor LM35
The project presented here is a low-cost solution for heat management of the heatsink and various equipment that requires automatic control of a cooling Fan. The project is built using a very cheap LM358 OPAMP. LM358 is used as a comparator, and a trimmer PR1 is provided to set the...
Continue ReadingSmart Dual Coil Latching Relay Driver – Bistable Relay Module
This Smart Dual Coil latching Relay board can control the ON/OFF power of a device by applying a short voltage pulse to input 1 and input 2. This project is useful in low power applications since the coil is not powered all the time and only requires a short voltage pulse. The relay...
Continue ReadingHDPLEX 250W is the World’s Smallest Fanless ATX Power Supply Unit
HDPLEX company which is known for its fan-less and compact PCs, reveals its passive GaN AIO (All-In-One) ATX PSU ( Advanced Technology eXtended Power Supply) with an output power of 250W. It makes use of the cutting-edge GaN (Gallium Nitride) technology that can be found in some tiny...
Continue ReadingAdvanced Photonix Red Enhanced Silicon Photodiodes
Advanced Photonix Red Enhanced Silicon Photodiodes offer a variety of features and packages for numerous applications. The SD113-24-21-021 is a RED enhanced Bi-Cell silicon photodiode with a gap of 100µm. It is ideal for accurate nulling, centering, or measuring small positional...
Continue ReadingDytSpectrumOwl: The World’s First Desktop Thermal Analyzer
DytSpectrumOwl’s CA-20 is the first-ever Desktop Thermal Analyzer that is developed by the Shenzhen Dianyang company. This innovative device makes use of infrared thermal imaging technology to detect any anomaly in a PCBA (Printed Circuit Board Assembly) of a mobile or laptop device....
Continue ReadingThe EasyEDA get updated to the EasyEDA PRO version which has 3D Design Function!
As you may know, EasyEDA is updated to the EasyEDA Pro version months ago, and there are lots of functions that get upgraded or build up. Today we will focus on the 3D design function and introduce how to use it. EasyEDA Pro supports the design of simple 3D housings, allowing users to...
Continue ReadingLi-Ion/Li-Po 18650 Battery to 5V Boost Converter
The project presented here is capable of supplying 400mA of current from a 3.7V Li-Ion/Li-Po Battery input with a 5V output. The converter has an internal soft start and internal frequency compensation features. The project is built using LTC3426 SOT23-6 chip. The LTC3426 chip is in a...
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