Temperature Indicator Using AT89C52 circuit
No description available.
Dispenser Aucma temperature detection control circuit
The dispenser (Aucma) temperature detection control circuit is designed to manage the temperature of the dispenser. It consists of two primary components: a heating control circuit and a fresh cabinet control circuit that provides power to an ozone generator. This...
repair microcontroller circuit
The difference between these two ICs. A microcontroller is a specialized type of microprocessor designed to be self-sufficient and cost-effective, while a microprocessor is typically intended for general-purpose use, such as in personal computers (PCs). The microcontroller integrates several useful...
Microcontroller interfacing with RS 232
Standard serial interfacing of a microcontroller (TTL) with a PC or any RS232C standard device requires a TTL to RS232 level converter. A MAX232 is used for this purpose. It provides a 2-channel RS232C port and requires external 10µF capacitors.
The...
home security system
The fundamental design of this project employs an Atmel AT89S8252-24PC Microcontroller, which features 2KB of EEPROM for runtime data storage. An ADC0838CCN analog-to-digital converter will be utilized to process up to eight inputs from sensor devices, including passive infrared sensors...
Digital Remote Thermometers
This circuit is designed for accurate centigrade temperature measurement. It features a transmitter section that converts the sensor's output voltage, which is proportional to the measured temperature, into a frequency signal. The output frequency bursts are transmitted through the mains...
Temperature Meter circuit
This temperature meter utilizes the precision micro power centigrade sensor IC LM35. The output voltage of the IC is linearly proportional to 10 mV per degree centigrade.
The LM35 temperature sensor is a versatile and widely used device in electronic temperature...
temperature sensor circuit
The schematic presented is a project for a simple temperature sensor circuit, also referred to as a heat sensor circuit, which activates an LED in response to heat. The circuit is straightforward to construct and requires only a few components....
Schematics Serial Temperature Sensor Data Logger
The microcontroller program is designed to support two communication protocols: the one-wire bus utilized by the DS1820 temperature sensor and the serial protocol used for communication with a computer. Upon power-up, the program retrieves data from the temperature sensors and...
Digital Thermometer
A device designed for measuring time and temperature used in chemistry laboratory. The circuit employs a 89C4051, 20-pin CMOS Microcontroller with built-in 4kB code memory. Temperature was measured by LM35D, National Semiconductor Temperature sensor producing 10mV/°C. The CA3162, 3-digit DVM...