Here is the video on youtube. You must watch it if you are a Urdu to Hindi viewer: Here is the video on youtube. You must watch it if you are an English viewer: The microwave oven is a useful machine to preheat or cook food. The microwave oven is working reliably but now a days Chinese microwave oven have big front panel keypad failure. The keypad is breaking down in one year of less time. The repair is not easy and sometimes the replacement parts are not readily available then it becomes another problem. The solution to such a problem is a modification with existing easily available parts and some wire connections to the main board. The modification is a very robust an reliable work so that will never break down or if breaks down, the repair would be way easy and low cost. Here is a little detail with images is included for such a modification work. Most of the images are from the video associated with this blog post. Anyhow it will further explain the important...
Here in this article we will discuss a small SMPS current mode smps power management IC. RM6204 is a beautiful smps power management IC which is very commonly used in small size smps power supplies and cell phone chargers. RM6204 is a 12W and line voltage regulator IC which is a simple to use and simple to construct single chip smps controller. RM6204 is official IC for Huawei cell phones chargers. This IC RM6204 needs very few external components to function. The power of the smps is limited trough external components like chopper transformer and other resistors and capacitors values. This IC internal switching transistor has capability to withstand 700 volts. The switching transistor can switch 800mA current continues. The overall IC power dissipation is 1000 mW or 1 Watt. RM6204 SMPS regulator power supply circuit schematic Above is the circuit schematic for RM6204 smps regulator power supply. Such power supplies are small and suitable for small power needs like cellphone char...
In this text I will discuss about the famous TP4056 charging module which is a 3.70V Li-ion battery 18650 in detail. The pinout, characteristics, setup and calibration for battery value will be covered in this text. TP4056 charger module is a very tiny size module to charge li ion batteries that it can fit anywhere inside any electronic equipment or instrument. TP4056 module consists of a single chip IC TP5640 and a few other supporting components which makes high quality and precision charging module which gives complete solution to automatically charge li-ion batteries of any small size. Using TP4056 module to charge the li-ion battery, it provides full battery life and effective charging to prolong battery life with great efficiency. Using TP4056 battery charging module you can make the line powered equipment less power consuming and the old equipment using dry cell can be converted to rechargeable battery solution. TP4056 Charger or charging module TP4056 Charging ...
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