GSM/GPRS TTL -Modem from rhydoLABZ is built with SIMCOM Make SIM900 Quad-band GSM/GPRS engine, works on frequencies 850 MHz, 900 MHz, 1800 MHz and 1900 MHz. It is very compact in size and easy to use as plug in GSM Modem. The Modem is designed wi

8位MCUIP核的设计与应用（verilog IP核设计）PIC处理器 西安电子科技大学硬件工程师培训资料-Design and Application of 8 MCU IP cores (verilog IP core design) PIC processor Xi an University of Electronic Science and Technology Hardware Engineer training materials