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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.
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A seperate
RX circuit project box can be bought seperately.
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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.
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