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Gwil Noble 52f5e3c6b7
Update readme.md 		2017-12-05 11:08:23 +00:00
..
emonTH_V2_0_2_gerbers add battery life calcs 2016-10-02 00:05:45 +01:00
Eagle_Gerber_Export.cam add hardware 2016-09-24 12:25:04 +01:00
emonTH V2.0.2.brd minor typos 2016-09-30 18:28:13 +01:00
emonTH V2.0.2.fab add fab file 2016-11-14 22:15:35 +00:00
emonTH V2.0.2.sch update portmap & sch + brd img 2016-09-30 18:25:22 +01:00
emonTH_V2_0_2_gerbers.zip add battery life calcs 2016-10-02 00:05:45 +01:00
emonth2.jpg Merge branch 'master' of github.com:openenergymonitor/emonth2 2016-11-29 13:05:03 +00:00
emonth_V2.0.2_brd.png update portmap & sch + brd img 2016-09-30 18:25:22 +01:00
emonth_V2.0.2_sch.png update portmap & sch + brd img 2016-09-30 18:25:22 +01:00
readme.md Update readme.md 2017-12-05 11:08:23 +00:00

readme.md

Board

board

Schematic

emonTH V2 schematic

Change log

V2.0.2 (26th Sep 2016)

  • Fix LED trace

V2.0.1 (Aug 2016)

  • Add SI7021 temperature & humidity sensor (see si7021_eval folder in emonth2 repo)
  • Re-jig port map from emonTH V1.5 to make available I2C pins for SI7021

Port Map
Arduino ATmega328 Function emonTH V2
Analog 0 (D14) PC0
Analog 1 (D15) PC1 2x AA Battery Voltage
Analog 2 (D16) PC2 DHT22 Data
Analog 3 (D17) PC3 DS18B20 One-wire Data
Analog 4 (D18) PC4 (SDA) SI7021 SDA (Data)
Analog 5 (D19) PC5 (SCL) SI7021 SCL (SCK)
Analog 6 (D20)
Analog 7 (D21)
Digital 0 PD0 (RXD) FTDI Tx
Digital 1 PD1 (TXD) FTDI Rx
Digital 2 PD2 (int0) PWM RFM69CW IRQ
Digital 3 PD3 (int1) PWM Terminal block
Digital 4 PD4
Digital 5 PD5 PWM DS18B20 PWR
Digital 6 PD6 PWM DHT22 PWR
Digital 7 PD7 DIP 1
Digital 8 PB0 DIP 2
Digital 9 PB1 PWM LED
Digital 10 PB2 (SS) PWM RFM69CW SEL
Digital 11 PB3 (MOSI) PWM RFM69CW SDI
Digital 12 PB4 (MISO) RFM69CW SDO
Digital 13 PB5 (SCK) RFM69CW SCK

BOM

Qty Value Device Package Parts Description
1 ANTENNA PAD-01 ANT1 Antenna
1 LEDCHIPLED-0603-TTW CHIPLED-0603-TTW LED LED
4 0.1uF C-EUC0603 C0603 C3, C6, C8, C12 CAPACITOR, European symbol
2 0R R-EU_R0603 R0603 R2, R3 RESISTOR, European symbol
1 100K R-EU_R0603 R0603 R5 RESISTOR, European symbol
2 100nF C-EUC0603 C0603 C9, C10 CAPACITOR, European symbol
1 10K R-EU_R0603 R0603 R1 RESISTOR, European symbol
1 10K R-US_R0603 R0603 R32 RESISTOR, American symbol
1 10uF C-EUC0603 C0603 C5 CAPACITOR, European symbol
1 10uH INDUCTOR1210 1210 L1 Inductors
1 16Mhz CRYSTALHC49UP HC49UP Q1 CRYSTAL
1 1K R-EU_R0603 R0603 R10 RESISTOR, European symbol
3 1X2-3.5MM 1X2-3.5MM 1X2-3.5MM J1, J2, J3 3.5mm Terminal block
3 1uF C-EUC0603 C0603 C1, C2, C4 CAPACITOR, European symbol
2 22pF C-EUC0603 C0603 C7, C11 CAPACITOR, European symbol
1 2_SMT_DIP_SWITCH 2_SMT_DIP_SWITCH DIP_SWITCH_SMT S3 Multicomp MCEMR-02-T
1 2x3 AVR_SPI_PRG_6PTH 2X3 ISP AVR ISP 6 Pin
1 3V 3X_AAA_BATTERY_HOLDER AAA_PCB_HOLDER U$3 2x AA Battery Holder
3 4K7 R-EU_R0603 R0603 R4, R6, R24 RESISTOR, European symbol
1 ATMEGA168MLF ATMEGA168MLF MLF32 U1_MLF Atmel 32-pin 8-bit micro, 16k flash.
1 ATMEGA328P ATMEGA328_SMT TQFP32-08 U1_TQFP 32-Pin Atmega328 part
1 DS18B20 TRANSISTOR_NPNTO92 TO-92 Q2 Transistor NPN
3 FIDUCIAL FIDUCIAL FIDUCIAL_1MM U$1, U$6, U$7 For use by pick and place machines to calibrate the vision/machine, 1mm
1 FTDI FTDI_BASICPTH FTDI_BASIC JP1 FTDI Basic: 3.3V and 5V
1 LTC3525ESC6-3.3TRMPBF LTC3525ESC6-3.3TRMPBF SOT65P210X100-6N U1 Step-Up DC/DC Converter
1 RF-LINK_TX RF-LINK_TX RF-LINK_TX U$2
1 RFM12B RFM12B RFM12B RFM69CW
1 SI7021 SI7021 SI7021 U2 The Si7021 is an I2C Humidity and Temperature Sensor
1 SMA_EDGE SMA_EDGE SMA-EDGE J$1 SMA Antenna Connector
1 SOLDERJUMPERNO SOLDERJUMPERNO SJ_2S-NO SJ1 Solder Jumper
1 TOREX XC6206P332MR MCP1700T-3302E/TT SOT95P237X112-3N VREG Low Quiescent Current LDO
1 USB-MINIB-5PIN USB-MINIB-5PIN USB-MINIB-CISECO U$5 Mini-USB "B" connector with 5th pin broken out.