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…
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…
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 am in the search of making a battery powered lab bench power supply, so that with a small form factor it becomes easy to carry while travelling on a project trip. This allows me to check and confirm the electronics components. But I need at least 2 lithium ion batteries in series so that…
// display 06H on LEDs #include<LPC214x.h> void delaysw(); unsigned int switchRead(); int main(){ while (1){ unsigned int data = switchRead(); // 0x0f IODIR1 = IODIR1 | (0xff << 16); // make direction as output IOSET1 = IOSET1 | (data << 16); // Writing on port 1.3 same for p0 too delaysw(); } } unsigned int…
Hello guys, This is a review article and here I have a new Andonstar Digital AD210 microscope. We all come from an electronics background, or having a little interest in electronics. Electronics components and devices are scaling down day by day, nowadays the smallest possible 0201 package resistor available in the market has dimension 0.6-0.3mm….
Geared Dc motors are used in a lot of hobby projects like in making some kind of robot car and moving robotics. But for precise movement it is very important to use special kind of motors. For example for a balancing robot, we have to use stepper motors (proper stepping of wheel). Because in balancing…
Whenever we have to use video output in any IoT or robotics project then Esp32-Cam module comes into mind. It is the one which can fulfil all the needs and has comparatively low price than other modules available. The good this is we can use SD card to store the video and images or we…
In the previous GNSS interfacing tutorial we have seen the location readings in GPRMC and GPGGA format on the serial monitor in Arduino IDE. We are using the same RYS8830 GNSS sensor which has a very small form factor and high gain small antenna on top. This RYS8830 is developed by Reyax technologies, here we…
In this tutorial we will interface the world’s smallest GNSS+GPS module to get the readings on the screen. There are many GPS modules available in market which are very accurate and can be easily configured with small microcontroller but we are using RYS8830 from Reyax Technologies which comes with small onboard antenna. So no need…
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