SPECIFICATIONS FOR JN2 / JN3
ATmega168 ATmega328p processor running at 3.3V
16 MHz clock using ceramic resonator (slightly above Atmel specs)
RFM12B wireless module for 868 MHz (Europe) or 915 MHz (US)
input voltage range: 3.5 .. 13 V
power consumption: 12 mA (radio off), 35 mA (radio on)
4 port connectors, 6 pins each
combined PWR / I2C connector, 4 pins
combined SPI / ISP connector, 2x4 pins
size: 22 x 80 mm (approx)
BILL OF MATERIALS FOR JN2 / JN3
PART QUANT VALUE DEVICE
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16MHZ-RSNTR XTAL 1 XTAL RESONATOR
C1,C2,C5,C6 4 0.1 µF 50 V C-EU025-024X044
C3 1 10 µF 16V CPOL-EUE2.5-6
IC1 1 ATMEGA 168/328 ATMEGA168/328P-PU
IC2-LP2950Z 1 VR LP2950Z
R1 1 10 kΩ R-EU_0204/7
JP1 1 BATT M02LOCK_LONGPADS
SV1,SV2,SV3,SV4 4 Port1/2/3/4 MA06-1
SV5 1 FTDI MA06-1
SV6 1 I2C MA04-1
SV7 1 SPI/ISP MA04-2
U$1-RFM12B 1 868 MHz RFM12B
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PART QUANT VALUE DEVICE
PART DESCRIPTION SUPPLIER
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16MHZ-RSNTR XTAL RESONATOR W/ BUILT-IN CAPS Digi-Key - X908-ND
C1,C2,C5,C6 CAPACITOR, European symbol Digi-Key - BC1160CT-ND
C3 POLARIZED CAPACITOR Digi-Key - 493-1036-ND
IC1 microcontroller Digi-Key - ATMEGA328P-20PU-ND
IC2-LP2950Z 100 mA, Low Power LDO Voltage Digi-Key - MCP1702-3302E/TO-ND
R1 RESISTOR, European symbol Digi-Key - 10KEBK-ND
JP1 Header 2 no header used
SV1,SV2,SV3,SV4 PIN HEADER - 1x6 female
SV5 PIN HEADER - 1x6 male
SV6 PIN HEADER - 1x4 female
SV7 PIN HEADER - 2x4 male
U$1-RFM12B RFM12B radio module HopeRF - RFM12B
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PART DESCRIPTION SUPPLIER