Transistorized Microphone Preamplifier With Band Pass Filter
Introduction
The signal from most of the microphones should be amplified before to be send to the interconnection cables.
In order to reduce the noise of the amplifier the bandwidth of the signals...
Home Security System Using ESP8266
When you were outside of your home, no one was there to protect your home. There are lots of burglary, theft occurs. There are cameras are available but that was not...
Make Your Own Smart Card
In this project, we would be designing a Smart Card using Radio-frequency identification (RFID) tags. This smart card records previous journeys of the users and stations names. This project is based...
Make Your Own Temperature And Pulse Oximeter
MAX30100 issues: Pandemic period and the whole world is working towards its remedy & precautionary measures. The hobby electronics world is no exception for that matter.
Earlier it was the hands-free utility...
BCD Watch
BCD Stands For Binary Coded Decimal. A Watch Which Is Neither Analog Nor Digital, This Is A Binary Watch Which Shows Time In Binary Numbers.
Why Did I Make This?
I Want To...
Run Induction Motor By Battery
Power has very important requirement in human life. Every house hold equipment requires power to run Fridge, TV, Geyser, Microwave Oven, Induction Heater Water Pump even Mobile chargers, etc. whether mechanical...
ESP32 LoRa Gateway
In a boiler safety project, we completed, in which we are collecting 32 thermocouple readings from the deep of a 500 MW boiler 2nd pass area where the ambient temperature on...
Coal Mining Robot
This project is to design a Coal Mining Robot to detect toxic gases emitted from the coal mine. It is used to detect the level of temperature and humidity inside the...
TFMini Precision Gauge
The idea of buying a TFMini LiDAR was to build a radar but for many days nothing really got kicked off and then one day while handling the long ERW pipes...
Magnet Operated Toggle Switch
When the author decided to develop a magnet operated toggle switch, what he had had in mind was an ‘unorthodox’ design that was as simple and sensitive as possible. Admit it,...
