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2-LINE-Intercom
- This project is used as an electronic private exchange. It has two telephones, which have the intercom facility, and they can be connected to the telephone line. All the functions are controlled by the 8-bit microcontroller AT89C2051 which has an Pro
CocurrentVoltageStabilizedSource
- 本设计制作一个多路输出直流稳压电源，可将220V/50Hz交流电转换为多路直流稳压电源 输出：±12V/1A，±5V/1A，一组可调正电压+3~+18V/1A -CocurrentVoltageStabilizedSource
LCD-c115-motorolla
- LCD of motorolla C115-C117 (m3188) C115 LCD Module Lcd chip: ST7558 - Wintek Lcd Resolution: 94x64 Technology: FSTN I2C write address: 0x78 PIN CONNECT ============================ Pin1 Vdd +2.8V (2,8V) Pin2 Res (NC) P
fuel_cell_2011year_suss
- this is RS485 system using atmega128 mpu and using max 485 chip and 4port 12v power
an144_files
- CodeLockAVR electronic combination lock is realised with Atmel AVR microcontroller AT90S2313. Program in hex code is 2 kB long. User code is consisted of 1 to 4 digits. If the code is entered in the correct sequence, then after 1 second the r
12V-battery-charging-process
- 12V蓄电池充电过程； 详细描述了整个充电过程； 全国大学生电子设计竞赛的作品就是根据这个来实现的-12V battery charging process detailed descr iption of the entire charging process National Undergraduate Electronic Design Contest works is based on this
temperature
- A simple project using microcontroller AT89S51 to control the speed of 12V fan according to the surrounding temperature. In this project we use the concept of PWM (pulse width modulation) to increase or decrease the speed of fan. We also interface 2*