USBx3 Power Bank Module – A Look Inside!
The post was created some time ago and I’m not sure if things have changed, but it worth a shot! Back in January 2020 I picked up one Philips DLP6006B 11000mAh Li-Ion Power Bank on […]
LM336Z-5 Quick Refresher
There are times when it’s astounding to be able to make a programmable shunt regulator, perhaps using obsolete components from your junk box. Recently, I used a modest little circuit to do that thing; the […]
LED Inverter Lamp – Quick Teardown
Prolonged blackouts have always been an annoyance, but with the help of today’s portable inverter lamps/bulbs, tackling them has become much easier. Below you can see such an affordable LED Inverter Lamp from Osram (India). […]
Lavet-type Stepping Motor & Quartz Clock Engine Hacks!
Wikipedia says the Lavet-type Stepping Motor is a special kind of single-phase stepping motor widely used as a drive-in electromechanical clock. Aside from clock drives, there are many variations of Lavet’s concept, and one example […]
RCWL-0516 Doppler Radar Motion Sensor Module – Revised Primer
This is a quick revision of the cheap and popular motion sensor radar module RCWL-0516 (https://www.codrey.com/electronic-circuits/microwave-radar-motion-sensor-switch/). The RCWL-0516 module would be a good choice for making motion sensing lamps and other devices, and it probably […]
LM2596S Module – A Trivial Tale
There are different types of cheap Chinese dc-dc buck converter modules. The most popular module still widely available is one with the LM2596S adjustable regulator, it’s a pretty old design, though. You can buy this […]
Piezo Ceramic Discs – Some Practical Thoughts
Nowadays, the applications of piezoelectricity in everyday electronic devices are growing at an exciting pace. The term piezo can trace its roots back to ancient Greek, where its significations refer to activities of pressing, pushing, […]
Analog Optical Isolators – Playtime!
I’ve been asked if I could post a little primer on key components widely used in guitar electronics and special-effect units. While there’re no solid plans to do so yet, I was thinking about what […]
Coreless Motor Guide
If you’re in a plan to make a minuscule robot, you’ll then need to learn more about a coreless motor. I came across it as a pretty great solution for an upcoming healthcare electronics project. […]
Applications of Switches in Electronics
Switch is a electronic device that is used to make or break an electrical circuit. The primary application of switch is to ON-OFF any circuit. The different types of switches which are widely used across […]