Implementing Character LCD Device Driver Development on LPC2148 ARM Based 32-Bit Microcontroller

Abstract This project is designed to interface 16 X 2 character LCD to ARM based microcontroller. Data entry is through PC’s hyper terminal and the received data is displayed on LCD. MAX 232 is used to communicate with the hyper terminal. The LPC2148 are based on a 16/32 bit ARM7TDMI-S™ CPU with real-time emulation and embedded trace support, together with 128/512 kilobytes (kB) of embedded high ...

Timer Based Industrial Liquid Pump Controller with User Defined Time Slots

Abstract This project is an innovative solution to operate a machine / motor / liquid pumps for a small duration. If a machine is to be operated for ten minutes, and should be switched off after the duration, it is too difficult and many times we forget to switch it off the system after the prescribed time. This project provides the facility of automatic switch off after the requited time duration. ...

Transformer less Solid State Power Supply Design

Abstract There are several ways to convert an AC voltage at a wall receptacle into the DC voltage required by a microcontroller. Traditionally, this has been done with a transformer and rectifier circuit. There are also switching power supply solutions, however, in applications that involve providing a DC voltage to only the microcontroller and a few other low-current devices, transformer-based or ...

Farmer Friendly Solar based Electric Fencer for Rural Agriculture (Protects the Farmers’ Crop from Wild Animals)

Abstract Electric fences can be used to protect farmhouses, farmlands, forest bunglows, etc from animals. In a way, these simulate the job of a cowboy or forest guard. Already popular in countries where manpower is expensive, electric fences are slowly becoming popular in India as well. These control the animals by giving them a short, sharp but safe shock that teaches them to stay away from the fence. ...
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