KIT containing all parts needed to make the Wireless MultiMeter! Included: * Low-cost DMM (digital multimeter) M830D with 9V battery. * TX (transmitter) circuit and wireless module TX-433. * RX (receiving) circuit with a wireless module RX-433, LCD and piezo buzzer. Also included: online step-by-step construction guide. Not included: RX circuit battery and box. ------------------------------------------------------ A seperate RX circuit project box can be bought seperately. ------------------------------------------------------ Wireless MultiMeter, technical specifications: * Low power operation (8-10 mA @9V) with PIC 18F452 (TX) and 18F2550 (RX) microcontrollers running at 4 MhZ. * Sampling rate: around 3 samples/sec. * Max. distance between the RX and TX circuits: 30m indoors and 100m outdoors. * Low power LED blinks when sending / receiving data. * Software is 100% upgradeable through an RS232 bootloader connector. * LCD contrast adjustable by user. ------------------------------------------------------
