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P2000 ROM-cartridge 4x2732

P2000 ROM-cartridge 4x2732

Created by Wijnand on 2019-11-13 15:33:52

2 Layer Board - 12.9250 sq in (3.1536in x 4.0985in) / 8338.69 sq/mm (80.1mm x 104.1mm)
$43.56 per set of 4 ($3.37 per sq in)

Not tested yet!

License: CC-BY 4.0

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Brew Bubbles Shield v1.0

Brew Bubbles Shield v1.0

Created by lbussy on 2019-11-11 23:30:24

2 Layer Board - 1.1369 sq in (1.0055in x 1.1307in) / 733.48 sq/mm (25.54mm x 28.72mm)
$4.55 per set of 4 ($4.00 per sq in)

This shield provides the necessary component connections and circuitry for the Brew Bubbles project. It is nearly identical in size to the Wemos D1 mini we use to provide a very compact and lightweight footprint.

Bill of Materials

General Parts

Since this uses 1 or 2 each of very common, very inexpensive components, you may find you are better off buying a resistor assortment for instance or end up buying 10 or 20 at a time. Make several!

Quan Description Placement
3 0.1μF 10V Ceramic Capacitor C1, C2. C3
*2 2.2kΩ 1/4W 5% Axial resistor R1, R2
1 150Ω 1/4W 5% Axial resistor R3
*2 3-Pin 90° Header VESSEL, ROOM
1 Sharp GP1A57HR Transmissive Photointerrupter U1

This BOM is available on Mouser via this link.

Other Parts

Quan Description Placement
1 Wemos D1 Mini R2 U2
2 8-pin male stackable header (nearly always comes with the D1)
2 8-pin female stackable header (nearly always comes with the D1)
*2 Waterproof DS18B20 Temperature Sensor with lead VESSEL, ROOM

Optional Parts

The items marked with an *asterisk above are optional. They are in the design to provide a means to monitor and trend one's ambient temperature where the fermenter is placed, and/or the fermenting liquid's temperature via a thermowell or insulated in contact with the fermenter. If one chooses not to use these, the firmware will automatically skip reporting these readings.

License: GNU General Public License v3.0
Project URL: https://www.brewbubbles.com

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SAMD21G Programmer USB-Micro

SAMD21G Programmer USB-Micro

Created by attexx on 2019-10-22 19:50:52

2 Layer Board - 1.2917 sq in (1.4320in x 0.9020in) / 833.35 sq/mm (36.37mm x 22.91mm)
$5.17 per set of 4 ($4.00 per sq in)

SAMD21G TQFP/QFN Programmer USB-Micro
Rev. 1
Initial revision
Not tested yet, waiting for delivery

License: CC BY-NC 4.0
Tags: samd21, samd21g, programmer, usb-micro

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SAMD21G Programmer USB-C

SAMD21G Programmer USB-C

Created by attexx on 2019-10-22 19:26:10

2 Layer Board - 1.3954 sq in (1.5470in x 0.9020in) / 900.26 sq/mm (39.29mm x 22.91mm)
$5.58 per set of 4 ($4.00 per sq in)

SAMD21G TQFP/QFN Programmer USB-C
Rev. 1
Initial revision
Not tested yet, waiting for delivery

License: CC BY-NC 4.0
Tags: samd21, samd21g, programmer, usb-c

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iot_lora_v4.2

iot_lora_v4.2

Created by Wijnand on 2019-10-09 11:08:58

2 Layer Board - 2.6680 sq in (0.9200in x 2.9000in) / 1721.29 sq/mm (23.37mm x 73.66mm)
$10.38 per set of 4 ($3.89 per sq in)

This design (a RFM95W controlled by an Arduino Pro Mini) was my first step in the world of IoT.

The board is tested with the examples of the Matthijs Kooijman
LMIC library and works perfect.

It's also used in the IoT workshop
LoraWAN Grundlagen
of the iot-usergroup.de.

A second set of PCB designs (power supply/sensor boards) are planned as piggyback/hat for this
iot_lora board. Power alternatives will be: solar cell, CR2032, 2 x AAA, supercap, TPS61291,
TPL5111 and/or TPS22860.

BOM
1 x RFM95w/868MHz
1 x Arduino Pro mini
2 x 10K (I2C pull up)
1 x SMA antenna connector
1 x pin header 2x7

ATTENTION: The update to V2.0: ADC6 and ADC7 (analog exclusively) are not connected
to JP3 anymore but PB0 and PB1 (possibility for soft serial). The HF part has now a switch to SMA
or spring antenna and added are GND planes on both sides.

ATTENTION: The update to V3.0: (on request) added a JST PH 2mm power connector
(for RAW and VCC) and a silkscreen update.

ATTENTION: The update to V4.0: added the footprint (SOP-8) for AT24CXX EEPROM to save TTN EUI's and Key's.

ATTENTION: The update to V4.2: added footprints for 2 x IPEX-Connector and extra debug LED (D1) on 10.

License: CC-BY 4.0
Project URL: http://alf4all.demon.nl/engineering/topics/targets/Arduino-Pro-Mini_RFM95/index.htm

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lighting module boardhouse files

lighting module boardhouse files

Created by ncross on 2019-09-22 06:48:22

2 Layer Board - 4.9969 sq in (1.2480in x 4.0039in) / 3223.8 sq/mm (31.7mm x 101.7mm)
$18.94 per set of 4 ($3.79 per sq in)

This is a board to a lighting module that uses an Arduino mini to monitor multiple motion sensors and fade lights on and off as required.

License: CC-BY 4.0

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lighting module boardhouse files

lighting module boardhouse files

Created by ncross on 2019-09-22 06:40:59

2 Layer Board - 4.9969 sq in (1.2480in x 4.0039in) / 3223.8 sq/mm (31.7mm x 101.7mm)
$18.94 per set of 4 ($3.79 per sq in)

This is a board that connects multiple PIR and a radar sensor and with an Arduino mini monitors the sensors and fades lights on when needed and off after defined time.

License: CC-BY 4.0

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iot_prototype_hat_v2.0

iot_prototype_hat_v2.0

Created by Wijnand on 2019-09-08 11:53:50

2 Layer Board - 2.4932 sq in (0.9200in x 2.7100in) / 1608.51 sq/mm (23.37mm x 68.83mm)
$9.85 per set of 4 ($3.95 per sq in)

License: CC-BY 4.0
Project URL: http://alf4all.demon.nl/engineering/topics/targets/Arduino-Pro-Mini_RFM95/index.htm

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iot_prototype_hat_v1.0

iot_prototype_hat_v1.0

Created by Wijnand on 2019-09-08 11:52:12

2 Layer Board - 2.4932 sq in (0.9200in x 2.7100in) / 1608.51 sq/mm (23.37mm x 68.83mm)
$9.85 per set of 4 ($3.95 per sq in)

License: CC-BY 4.0
Project URL: http://alf4all.demon.nl/engineering/topics/targets/Arduino-Pro-Mini_RFM95/index.htm

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ALU control unit

ALU control unit

Created by emlun on 2019-08-11 21:47:28

2 Layer Board - 30.1953 sq in (14.0059in x 2.1559in) / 19480.8 sq/mm (355.75mm x 54.76mm)
$98.44 per set of 4 ($3.26 per sq in)

Motherboard for connecting other components behind a unified opcode interface.

Other components:

License: GPLv3
Project URL: https://github.com/emlun/octobot
Tags: learning

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Solder board - Small

Solder board - Small

Created by PhilboBaggins on 2019-08-01 16:41:37

2 Layer Board - 2.1237 sq in (1.3150in x 1.6150in) / 1370.13 sq/mm (33.4mm x 41.02mm)
$8.39 per set of 4 ($3.95 per sq in)

A breadboard that you can solder

License: CC BY-NC-SA 4.0
Project URL: https://github.com/PhilboBaggins/solder-boards
Tags: breadboard

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5v Reg

5v Reg

Created by mt_keg on 2019-07-29 12:56:46

2 Layer Board - 0.3767 sq in (0.8570in x 0.4396in) / 243.03 sq/mm (21.77mm x 11.17mm)
$1.51 per set of 4 ($4.00 per sq in)

5v regulator

License: CC-BY 4.0

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ISP Header

ISP Header

Created by mt_keg on 2019-07-29 12:52:05

2 Layer Board - 0.2438 sq in (0.4600in x 0.5300in) / 157.29 sq/mm (11.68mm x 13.46mm)
$0.98 per set of 4 ($4.00 per sq in)

USBTiny/USBTinyISP Programmer AVR Programming Cable to Breadboard Adapter

License: CC-BY 4.0

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Chainable Dual 74HC165 (or 74LS165) 16-bit parallel-in serial-out breakout board

Chainable Dual 74HC165 (or 74LS165) 16-bit parallel-in serial-out breakout board

Created by serisman on 2019-07-27 22:01:44

2 Layer Board - 0.7004 sq in (0.6059in x 1.1559in) / 451.87 sq/mm (15.39mm x 29.36mm)
$2.80 per set of 4 ($4.00 per sq in)

This is a breakout board for dual 74HC165 or 74LS165 (8-bit Parallel-In Serial-Out) SOP16 logic ICs.

Multiple boards can be chained together to get additional inputs (16 per board).

There are pull-up resistor networks providing pull-up for each input.

There is a solder jumper that can invert the serial output (if desired). To use this, first cut the trace connecting the solder jumper to the default (REG) side.

Component Values / Sizes:

  • U1,U2 - 74xx165, SOP16
  • C1,C2 - 100nF, 0805
  • RN1,RN2,RN3,RN4 - 10k, 0603 (resistor networks)

License: CC-BY 4.0

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Chainable 74HC165 (or 74LS165) 8-bit parallel-in serial-out breakout board

Chainable 74HC165 (or 74LS165) 8-bit parallel-in serial-out breakout board

Created by serisman on 2019-07-27 20:40:34

2 Layer Board - 0.4580 sq in (0.6059in x 0.7559in) / 295.48 sq/mm (15.39mm x 19.2mm)
$1.83 per set of 4 ($4.00 per sq in)

This is a breakout board for a 74HC165 or 74LS165 (8-bit Parallel-In Serial-Out) SOP16 logic IC.

Multiple boards can be chained together to get additional inputs (8 per board).

There are pull-up resistor networks providing pull-up for each input.

There is a solder jumper that can invert the serial output (if desired). To use this, first cut the trace connecting the solder jumper to the default (REG) side.

Component Values / Sizes:

  • U1 - 74xx165, SOP16
  • C1 - 100nF, 0805
  • RN1,RN2 - 10k, 0603 (resistor networks)

License: CC-BY 4.0

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bme280_small

bme280_small

Created by Wijnand on 2019-07-04 20:22:05

2 Layer Board - 0.3798 sq in (0.2756in x 1.3780in) / 245.03 sq/mm (7mm x 35mm)
$1.52 per set of 4 ($4.00 per sq in)

License: CC-BY 4.0
Project URL: http://alf4all.demon.nl/engineering/topics/targets/Arduino-Pro-Mini_RFM95/index.htm

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MoteinoUSB

MoteinoUSB

Created by barthex on 2019-06-26 10:25:45

2 Layer Board - 1.6016 sq in (1.7600in x 0.9100in) / 1033.29 sq/mm (44.7mm x 23.11mm)
$6.33 per set of 4 ($3.95 per sq in)

MoteinoUSB

License: CC-BY 4.0
Project URL: https://github.com/LowPowerLab/Moteino/tree/master/R5USB
Tags: moteino, lowpowerlab

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Autolight-board

Autolight-board

Created by NStorm on 2019-05-28 10:01:54

2 Layer Board - 0.5351 sq in (0.8120in x 0.6590in) / 345.23 sq/mm (20.62mm x 16.74mm)
$2.14 per set of 4 ($4.00 per sq in)

Auto light

Attiny10 & APDS-9930 based automatic light/switch

https://github.com/N-Storm/autolight

https://easyeda.com/NStorm/autolight-board

This project utilizes small ATtiny10 mcu to work with APDS-9930 ambient light (AL) and proximity I2C sensor.
This is used for automatic "smart" light in a drawer. Once the drawer are open the APDS-9930 will notice proximity change
and trigger a preset interrupt and MCU will come from sleep to check if AL level are below set (i.e. it's dark around).
If the set condition for AL level will be met, it will enable HIGH level on PB3 pin. Which is connected to a MOSFET or any other switch to enable LED light.

Reset shares same PB3 pin so it must be disabled via fuses. You will have to apply +12V to PB3/RESET pin to reprogram attiny10 after flashing RSTDISBL fuse.

The PB2 port are used as INT0 for sensor interrupts to wake MCU from sleep on proximity change event.

Building

Fetch the latest trunk:

git clone https://github.com/N-Storm/autolight && cd autolight

Then tweak some settings in autolight.h if required. They are commented. After that do a:

make && make flash && make fuse.

:warning: After you do a make fuse step, you won’t be able to program MCU again without applying +12V to RESET pin (make sure it’s not connected to your programmer hardware :warning:

Alternatively you can use pre-built binaries with the default settings from releases section.

Connecting

PB0 ↔ SCL

PB1 ↔ SDA

PB2 ↔ INT

PB3 are the module digital output, with logic LOW when light should be turned off and HIGH when it should be on. Suited for connecting to an N-channel FET driving the LED light.

Please be aware that the APDS-9930 module requires 2.5 – 3.6 V for it’s operation on Vdd+Vbatt (IR LED power). I recommend to use a 3.3V LDO for powering both MCU & APDS-9930.

Schematics & board are available on EasyEDA: https://easyeda.com/NStorm/autolight-board

:warning: This board has two places for LDOs - U3 & U4. Solder only one of them! :warning:

They replace each other. The board are made so they could replace each other. Alternatively edit board/schematics to replace them with your favorite LDO.

This project utilizes software I2C library by eXtreme Electronics, India.
www.eXtremeElectronics.co.in

License: CC-BY-SA 3.0
Project URL: https://github.com/N-Storm/autolight
Tags: avr, attiny, attiny10, light, home automation

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Gerber_adcd_20190527235933

Gerber_adcd_20190527235933

Created by jasonbm123 on 2019-05-28 07:00:17

2 Layer Board - 0.7173 sq in (0.8572in x 0.8368in) / 462.77 sq/mm (21.77mm x 21.25mm)
$2.87 per set of 4 ($4.00 per sq in)

License: CC-BY 4.0

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Raspberry Pi gateway interface

Raspberry Pi gateway interface

Created by danil5 on 2019-05-27 02:35:42

2 Layer Board - 1.0500 sq in (1.4000in x 0.7500in) / 677.42 sq/mm (35.56mm x 19.05mm)
$4.20 per set of 4 ($4.00 per sq in)

License: CC-BY 4.0

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Discrete 4-way 8-bit bus selector

Discrete 4-way 8-bit bus selector

Created by emlun on 2019-05-15 23:16:03

2 Layer Board - 15.6092 sq in (5.1079in x 3.0559in) / 10070.43 sq/mm (129.74mm x 77.62mm)
$50.89 per set of 4 ($3.26 per sq in)

4-input bus selector/multiplexer built from discrete transistors and resistors.

License: GPLv3
Project URL: https://github.com/emlun/octobot
Tags: learning

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MySensors - DS18B20 temperature sensor

MySensors - DS18B20 temperature sensor

Created by serisman on 2019-04-30 05:56:23

2 Layer Board - 0.1971 sq in (0.4670in x 0.4220in) / 127.16 sq/mm (11.86mm x 10.72mm)
$0.79 per set of 4 ($4.00 per sq in)

This is a bare minimum DS18B20 based temperature sensor node.

It is intended to be as small as possible, with really long battery life. The ATmega328P is powered directly from the battery, but the nRF24L01+ and DS18B20(s) are powered through an efficient XC6206 3.3v LDO regulator (U2). The battery can be 3x AA/AAA, or a LiPo/Li-ion cell (i.e. 18650).

This uses the SMD version of the nRF24L01+ module.

All resistors/capacitors are 0805 sized with the following values:

  • R1 - 4.7kOhm
  • C1,C2 - 4.7uF - 10uF
  • C3,C4 - 100nF

The ATmega328P MCU needs to be programmed before being soldered, so the MYSBootloader is recommended.

License: CC-BY 4.0
Tags: mysensors

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MYSNodeRS485 rev001

MYSNodeRS485 rev001

Created by cabat on 2019-04-29 08:38:28

2 Layer Board - 1.1624 sq in (1.3300in x 0.8740in) / 749.93 sq/mm (33.78mm x 22.2mm)
$4.65 per set of 4 ($4.00 per sq in)

MySensors Node RS485
ATmega328 + MAX485

D7 pin used for control RS485 DE/RE input.

On long side of board present 11-pin header include:

D2, D3, D4, D5
A0, A1, A4/SDA, A5/SCL
GND, 5V

On short side of board present two pin header include:

5V, GND, D2, D3 (for simple connect sensors like DS18B20, DHT22)
RES, TX, RX (for connect UART)

Present place to solder pull-up resistors for RES, D2, D3, SDA, SCL signals.
It is also possible to install LED connected between D6 pin and 5V through 510Ohm resistor.

License: CC-BY 4.0
Project URL: https://www.openhardware.io/view/692
Tags: mysensors

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Adafruit ItsyBitsy M4 Express featuring ATSAMD51

Adafruit ItsyBitsy M4 Express featuring ATSAMD51

Created by jasonbm123 on 2019-04-28 20:53:15

2 Layer Board - 1.0011 sq in (1.4100in x 0.7100in) / 645.87 sq/mm (35.81mm x 18.03mm)
$4.00 per set of 4 ($4.00 per sq in)

https://www.adafruit.com/product/3800

License: CC-BY 4.0
Project URL: https://www.adafruit.com/product/3800
Tags: jasonbm123@gmail.com

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Gerber_[pnbhjok_20190424173310

Gerber_[pnbhjok_20190424173310

Created by jasonbm123 on 2019-04-25 00:39:58

2 Layer Board - 0.6468 sq in (0.7383in x 0.8761in) / 417.29 sq/mm (18.75mm x 22.25mm)
$2.59 per set of 4 ($4.00 per sq in)

License: CC-BY 4.0

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