HPS140MK2, The New Handheld Oscilloscope

HPS140MK2, The New Handheld Oscilloscope

Velleman Inc., a producer and a distributor of electronics, has produced a new handheld oscilloscope with the same power of its...


5V to 12V @1.2A regulated power supply using LM2587

5V to 12V @1.2A regulated power supply using LM2587

This circuit is based on LM2587, a simple boost converter from Texas instruments.


ICs Power by mixos
12V @ 120mA Transformerless Power Supply

12V @ 120mA Transformerless Power Supply

The circuit provided here is a transformer-less non-isolated power supply which is capable of delivering an output of 12V at...


Power by mixos
EEZ H24005, Two-Channel Programmable Power Supply

EEZ H24005, Two-Channel Programmable Power Supply

Envox Experimental Zone (EEZ) is an open hardware and open source development website, that creates and shares various open...


ChargEST, A Travel Adapter To Charge Your Devices

ChargEST, A Travel Adapter To Charge Your Devices

When you travel, it’s a bit frustrating to fill your luggage with lots of chargers, cables, and adapters to fit your charging n...


LTC2944 – 60V Battery Gas Gauge with Temperature, Voltage and Current Measurement

LTC2944 – 60V Battery Gas Gauge with Temperature, Voltage and Current Measurement

The LTC2944 measures battery charge state, battery voltage, battery current and its own temperature in portable product...


Components Power by mixos
“DIY LiFePO4 Charger” Challenge by Elektor

“DIY LiFePO4 Charger” Challenge by Elektor

A new challenge is posted on Elektor, for building a charger project for 3.6-V single-cell lithium iron phosphate (LiFePO4), a...


DIY power supply with 3D printed enclosure

DIY power supply with 3D printed enclosure

Rui Cabral tipped us with his latest video.


Power by mixos
5V @ 2A Step Down Converter using TPS54202

5V @ 2A Step Down Converter using TPS54202

The circuit shown here is a step down converter which can convert an input voltage varying from 8V to 28V to 5V.


TINY LOAD CELL AMPLIFIER

TINY LOAD CELL AMPLIFIER

pinko @ blog.exrockets.com wanted to test some cheap load cells so he decided to build his own load cell amplifier.


PWM POWER REGULATOR

PWM POWER REGULATOR

pinko @ blog.exrockets.com wanted to regulate the power to a resistive load so he decided to build a PWM power regulator based on...


TP4056 3V3 Load Share Upgrade

TP4056 3V3 Load Share Upgrade

A lot of project are battery powered and some of them need dual battery links.