Battery-less Self Powered Radio Transmitter
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Battery-less Self Powered Radio Transmitter

Batteries are the heart of any electronic circuit, the impossibilities of making a wireless circuit without batteries is now eliminated by this DFrobot mini generator based Rf circuit. Remote controllers can be seen everywhere, and most of them are inseparable from the battery. However, we often encounter problems when using the battery, for instance, it…

Digital Radio Transmitter and Receiver 433Mhz
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Digital Radio Transmitter and Receiver 433Mhz

Radio technology is the best monitoring and control solution for small and long range wireless hobby projects. With other wireless controlling technologies like Buetooth and Wi-Fi AT commands system configuration is required which are very complex and need a setup program. Wifi’s signal limitations and high power consumption, IR emission angle and inability to penetrate…

Fast charging module for lithium batteries

Fast charging module for lithium batteries

TP4056 is the one of the most popular modules available in very cheap prices to charge the Li-ion batteries. And to protect the batteries from overcharge, over discharge and protect the batteries by charging with constant current and constant voltage method. It has onboard MOS based different IC for protection with TP4056. The module is…

I made this Cool Digital Trainer Kit
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I made this Cool Digital Trainer Kit

I know the struggle of an electronics student while learning and practicing the digital circuits. In digital circuit we need a lot of external input/ output interface and different clock frequencies. That’s why I designed this digital trainer kit. Which consists of a lot of onboard helping elements. I want to keep it minimal that…