Design of Wireless Electronic Scale Based On MSP430 Microprocessor

To analyze consumer habits and keep good inventory in vegetables, fruits and biscuit shop, detailed transactions information should be saved. An electronic scale is designed based on MSP430 and wireless communication module PTR2000. The scale can not only measure the weight, but also exchange data and instruction with host PC. The condition circuit of strain bridge output signal, time/data circuit, memory circuit, wireless module etc. is presented. The measurement result is processed by the method of moving average filter. User interface in PC side is developed by Visual Basic language.