• on Miscellaneous Electronics
  • Published in issue 3/2015 on page 74
About the article

Elektor ZigTexter Network

Elektor ZigTexter Network
Here’s a flexible system to broadcast text messages wirelessly to family members, neighbors, clients, visitors, colleagues, lazy staff, head cooks and bottle washers — all via Zigbee, with a handy message scheduling function built in.
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Gerber file

CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor Members can exclusively download these files for free as part of their Membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service. Elektor recommends its business partner Eurocircuits as the company of choice for its own prototypes and volume production in selected cases.

Extra info, Update
Specifications Zigbee based point-to-multipoint short messaging system 4x40 liquid crystal display Supply voltage: 8 to 12 V DC ATtiny2313 microcontroller software written in C Transmitter software for Windows written in C# Instant messaging Message scheduling
Components
Download the BOM list
The BOM (Bill of Materials) is the technically exhaustive listing of parts and other hardware items used to produce the working and tested prototype of any Elektor Labs project. The BOM file contains deeper information than the Component List published for the same project in Elektor Magazine. If required the BOM gets updated directly by our lab engineers. As a reader, you can download the list here.
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Component List
Receiver
Resistors
(Default: 5%, 250 mW)
R1 = 330Ohm
R2,R6 = 10kOhm
R3 = 100Ohm
R4 = 1.2kOhm
R5 = 3.3kOhm
P1 = 10kOhm trimpot
Capacitors
C1, C2 = 10µF 50V, radial, 2mm pitch
C3 = 100µF 50V, radial, 3.5mm pitch
C4,C5,C6,C7,C8 = 100nF, 5mm pitch
Semiconductors
LED1 = LED, red, 3mm
D1 = 1N4007
IC1 = ATtiny2313-20PU, programmed, Elektor Store # 130556-41
IC2 = LP2950-ACZ3.3
IC3 = 7805
Miscellaneous
K1 = 2-way PCB terminal block, 0.2” pitch
K2 = 2-pin pinheader, 0.1” pitch
MOD1 = XB24-Z7WIT-004 XBee module
2 pcs 10-way SIL socket for XBee module
LCD1 = LCD, alphanumeric, 40 x 4
2 pcs 9-way SIL socket strip for LCD
PCB 130556-1 v. 1.2
Component List
Transmitter
Resistors
(All 5%, 250 mW)
R1,R2 = 330Ohm
R3 = 1.2kOhm
R4 = 3.3kOhm
Capacitors
C4,C9,C10,C11 = 100nF, 5mm pitch
C5,C6,C7,C8 = 10µF 50V, radial, 2mm pitch
C1,C2 = 10 µF, 50 V, radial, 2mm pitch
C3 = 100µF 50V, radial, 3.5mm pitch
Semiconductors
LED1 = LED, red, 3mm
LED2 = LED, green, 3mm
IC1 = MAX232N
D1 = 1N4007
IC3 = 7805
IC2 = LP2950-ACZ3.3
Miscellaneous
K1 = DC adaptor barrel jack
K2 = 9-way sub-D socket (female), PCB mount
MOD1 = XB24-Z7WIT-004 XBee module
2 pcs 10-way SIL socket strip for XBee module
PCB 130556-2 v. 1.2

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