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iM881A-XL Breakout Board

iM881A-XL Breakout Board

Created by attexx on 2020-07-05 12:57:42

2 Layer Board - 1.2942 sq in (1.2420in x 1.0420in) / 834.97 sq/mm (31.55mm x 26.47mm)
$5.18 per set of 4 ($4.00 per sq in)

iM881A-XL Breakout Board
Rev. 1
Initial revision
Not tested yet, waiting for delivery

License: CC BY-NC 4.0
Tags: imst im881a breakout board lorawan radio module

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Attiny10 Prototyping Board for ADCs

Attiny10 Prototyping Board for ADCs

Created by onthesly on 2020-06-30 20:25:43

2 Layer Board - 4.5336 sq in (2.2579in x 2.0079in) / 2924.9 sq/mm (57.35mm x 51mm)
$17.18 per set of 4 ($3.79 per sq in)

Prototyping Board designed for Attiny10 and ADCs. Low power applications.

License: Public Domain
Project URL: https://git.steakelectronics.com/adminguy/Electronics_Projects_2020.git
Tags: proto prototype prototyping attiny low-power

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rfm9x breakout

rfm9x breakout

Created by brittwsmith on 2020-06-12 15:35:16

2 Layer Board - 0.9547 sq in (1.0270in x 0.9296in) / 615.93 sq/mm (26.09mm x 23.61mm)
$3.82 per set of 4 ($4.00 per sq in)

Breakout for rfm95 to fit on breadboard for prototyping

License: CC-BY 4.0

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nrfmicro-1.3

nrfmicro-1.3

Created by iamjoric on 2020-06-11 14:11:05

2 Layer Board - 0.9437 sq in (0.7169in x 1.3164in) / 608.84 sq/mm (18.21mm x 33.44mm)
$3.77 per set of 4 ($4.00 per sq in)

nRFMicro 1.3

License: CC-BY 4.0
Project URL: https://github.com/joric/nrfmicro/releases/tag/1.3
Tags: iamjoric@gmail.com

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100 x 68 Enclosure Prototyping Board

100 x 68 Enclosure Prototyping Board

Created by UniquePete on 2020-06-05 02:51:01

2 Layer Board - 8.0908 sq in (3.5433in x 2.2834in) / 5219.86 sq/mm (90mm x 58mm)
$29.37 per set of 4 ($3.63 per sq in)

A prototyping board to fit within a 100 x 68 mm enclosure, including 18650 and 14500 battery enclosure mounting points and solder-jumper isolation from GND + Vcc planes.

License: CC BY-NC-SA 2.5 AU
Project URL: http://digitalconcepts.net.au/pcbs/proto
Tags: prototyping, enclosure, 100x68

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100 x 68 Enclosure Prototyping Board

100 x 68 Enclosure Prototyping Board

Created by UniquePete on 2020-06-05 01:27:35

2 Layer Board - 8.0908 sq in (3.5433in x 2.2834in) / 5219.86 sq/mm (90mm x 58mm)
$29.37 per set of 4 ($3.63 per sq in)

A prototyping board to fit within a 100 x 68 mm enclosure, including 18650 and 14500 battery (GND + Vcc plane), coupled side connection and Pi 0 standoff mounting points.

License: CC BY-NC-SA 2.5 AU
Project URL: http://digitalconcepts.net.au/pcbs/proto
Tags: prototyping, enclosure, 100x68

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85 x 58 Enclosure Prototyping Board

85 x 58 Enclosure Prototyping Board

Created by UniquePete on 2020-06-05 01:19:50

2 Layer Board - 5.6202 sq in (2.9134in x 1.9291in) / 3625.93 sq/mm (74mm x 49mm)
$21.02 per set of 4 ($3.74 per sq in)

A prototyping board to fit within an 85 x 58 mm enclosure, including 14500 battery mounting points with solder-jumper isolation from GND + Vcc planes.

License: CC BY-NC-SA 2.5 AU
Project URL: http://digitalconcepts.net.au/pcbs
Tags: prototyping, enclosure, 85x58

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Battery level monitor

Battery level monitor

Created by oliverhanka on 2020-06-04 11:51:50

2 Layer Board - 1.2785 sq in (1.3581in x 0.9414in) / 824.84 sq/mm (34.5mm x 23.91mm)
$5.11 per set of 4 ($4.00 per sq in)

Battery level monitor

The board is designed to measure the battery level (voltage) with an uC's ADC. The on-board voltage divider must be parameterized (R1 and R2) according to the uC's max ADC input as well as the battery's voltage level. The battery voltage may be higher then the ADC's Vcc.

The circuit includes two MOSFETs to cut-off the voltage divider in order to not drain the battery when not in use. The uC must pull up EN to activate the voltage divider. If EN is left floating (e.g., the uC is turned off or in deep-sleep), the on-board pulldown resistor cuts of the voltage divider.

License: CC-BY 4.0
Project URL: https://github.com/oliverhanka/battery_level_monitor
Tags: voltage divider, measurement, adc, low power, esp32, arduino, esp8266

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Halogen G4 LED double bulb replacement board

Halogen G4 LED double bulb replacement board

Created by ncross on 2020-06-04 07:05:55

2 Layer Board - 0.7882 sq in (0.9488in x 0.8307in) / 508.52 sq/mm (24.1mm x 21.1mm)
$3.15 per set of 4 ($4.00 per sq in)

Halogen strip lighting or undercabinet lighting sometimes uses G4 bulbs. If converting to LED you may want to use multiple bulbs in one socket to increase the load on the power supply in order to prevent flickering or to increase the light output. This adapter plugs into each halogen socket and provides two female sockets for two LED G4 bulbs. The pins and sockets are commonly available 2.54mm spacing female and male header. The male pins on the supply location would be best if they were longer such as 12-15mm.

License: CC-BY 4.0

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zero crossing

zero crossing

Created by mvoerman on 2020-05-31 17:37:23

2 Layer Board - 0.7898 sq in (1.4370in x 0.5496in) / 509.55 sq/mm (36.5mm x 13.96mm)
$3.16 per set of 4 ($4.00 per sq in)

License: CC-BY 4.0

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Gerber_PCB_2020-05-15_19-04-52_2020-05-18_10-16-40_Mod

Gerber_PCB_2020-05-15_19-04-52_2020-05-18_10-16-40_Mod

Created by deepdatta on 2020-05-18 15:23:25

2 Layer Board - 0.2469 sq in (0.6250in x 0.3950in) / 159.29 sq/mm (15.88mm x 10.03mm)
$0.99 per set of 4 ($4.00 per sq in)

License: CC-BY 4.0

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Breakout

Breakout

Created by HaSch on 2020-05-16 11:42:22

2 Layer Board - 1.6397 sq in (1.5591in x 1.0517in) / 1057.87 sq/mm (39.6mm x 26.71mm)
$6.48 per set of 4 ($3.95 per sq in)

Breakout board for ESP32-CAM enclosure

License: CC-BY 4.0
Project URL: https://www.thingiverse.com/thing:4155911

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Schalterbox_V2-opt

Schalterbox_V2-opt

Created by HaSch on 2020-05-04 08:53:36

2 Layer Board - 2.6929 sq in (2.2053in x 1.2211in) / 1737.35 sq/mm (56.01mm x 31.02mm)
$10.48 per set of 4 ($3.89 per sq in)

Improvement for Andonstar ADSM302 microscope. Switch box for the Andonstar ADSM302 to switch between PC mode and standalone mode. See Elektor Magazine https://www.elektormagazine.de/news/kleine-schaltungen-usb-mikroskop-verbesserungen-folge-25 (German language)

License: CC-BY 4.0
Project URL: https://www.elektormagazine.de/news/kleine-schaltungen-usb-mikroskop-verbesserungen-folge-25
Tags: elektor

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LoRaPi

LoRaPi

Created by UniquePete on 2020-05-01 08:35:11

2 Layer Board - 0.9685 sq in (0.8200in x 1.1811in) / 624.84 sq/mm (20.83mm x 30mm)
$3.87 per set of 4 ($4.00 per sq in)

A Raspberry Pi adaptor board for the HopeRF RFM95W and comptible modules.
v1.1 No functional changes. Board length reduced to 30mm, with some minor component rearrangements, to match the width of a Raspberry Pi Zero.

License: CC BY-NC-SA 2.5 AU
Project URL: http://digitalconcepts.net.au/pcbs

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LoRaBB

LoRaBB

Created by UniquePete on 2020-05-01 08:33:23

2 Layer Board - 1.0500 sq in (1.0000in x 1.0500in) / 677.42 sq/mm (25.4mm x 26.67mm)
$4.20 per set of 4 ($4.00 per sq in)

A breakout board for HopeRF RFM95W and compatible modules.

License: CC BY-NC-SA 2.5 AU
Project URL: http://digitalconcepts.net.au/pcbs

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LoRaBBPi

LoRaBBPi

Created by UniquePete on 2020-05-01 08:30:24

2 Layer Board - 1.3100 sq in (1.0000in x 1.3100in) / 845.16 sq/mm (25.4mm x 33.27mm)
$5.24 per set of 4 ($4.00 per sq in)

A combination breakout and Raspberry Pi adaptor board for the HopeRF RFM95W and comptible modules.

License: CC BY-NC-SA 2.5 AU
Project URL: http://digitalconcepts.net.au/pcbs

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ProMini-SPI-Test

ProMini-SPI-Test

Created by cmoidom on 2020-04-19 14:46:51

2 Layer Board - 1.0884 sq in (1.2040in x 0.9040in) / 702.19 sq/mm (30.58mm x 22.96mm)
$4.35 per set of 4 ($4.00 per sq in)

License: CC-BY 4.0

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ProMini-RFM95

ProMini-RFM95

Created by cmoidom on 2020-04-19 14:46:19

2 Layer Board - 1.0884 sq in (1.2040in x 0.9040in) / 702.19 sq/mm (30.58mm x 22.96mm)
$4.35 per set of 4 ($4.00 per sq in)

License: CC-BY 4.0

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ProMini-NRF24

ProMini-NRF24

Created by cmoidom on 2020-04-19 14:45:01

2 Layer Board - 1.0884 sq in (1.2040in x 0.9040in) / 702.19 sq/mm (30.58mm x 22.96mm)
$4.35 per set of 4 ($4.00 per sq in)

License: CC-BY 4.0

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MysRJ11 rev001

MysRJ11 rev001

Created by cabat on 2020-04-13 18:41:34

2 Layer Board - 0.1940 sq in (0.4511in x 0.4300in) / 125.16 sq/mm (11.46mm x 10.92mm)
$0.78 per set of 4 ($4.00 per sq in)

RJ11 to 4p pin-header adapter

License: CC-BY 4.0

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MysNodeRS485 rev002

MysNodeRS485 rev002

Created by cabat on 2020-04-13 18:37:46

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 + W25X40 flash for FOTA

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 510 Ohm resistor.

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

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nrfmicro-1.1

nrfmicro-1.1

Created by iamjoric on 2020-02-27 15:57:49

2 Layer Board - 0.9421 sq in (0.7159in x 1.3159in) / 607.81 sq/mm (18.18mm x 33.42mm)
$3.77 per set of 4 ($4.00 per sq in)

nRFMicro 1.1

License: CC-BY 4.0
Project URL: https://github.com/joric/nrfmicro
Tags: iamjoric@gmail.com

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iot_lora_wifi_esp12_v1.1

iot_lora_wifi_esp12_v1.1

Created by Wijnand on 2020-02-05 15:04:19

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 ESP12F) is intended as direct replacement for the iot_lora_v4.2
board (same form-factor, same interface connector).

The board is tested with the Arduino IDE and the
MCCI LoRaWAN LMIC library mcci-catena/arduino-lmic
(see also:
IBM LoRaWAN in C (LMiC)
).
and works perfect.

A second set of PCB designs (power supply/sensor boards) are already designed and tested or planned as
piggyback/hat for this iot_lora_wifi_esp12 board. Power alternatives will be: solar cell, CR2032, 2 x AAA,
supercap. Controlled by: the TPS61291, TPL5111 and/or TPS22860.

BOM
1 x RFM95w/868MHz
1 x ESP12F
2 x 10K (I2C pull up)
1 x SMA antenna connector
1 x pin header 2x7

ATTENTION: The update to v1.1: added a reset button for more flash comfort.

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

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CS5464_Breakout_06012019

CS5464_Breakout_06012019

Created by whatnick on 2020-02-02 08:44:19

2 Layer Board - 1.5548 sq in (1.4059in x 1.1059in) / 1003.09 sq/mm (35.71mm x 28.09mm)
$6.14 per set of 4 ($3.95 per sq in)

Minimal breakout board to test and develop drivers for the Cirrus Logic CS5464 Single-phase Energy Monitor ASIC.

Arduino code available here

Features include:

  • RC networks for sampling Voltage and Current.
  • Crystal to provide clock to ASIC.

License: TAPR
Project URL: https://github.com/whatnick/CS5464_Breakout
Tags: energy monitor, breakout

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Tph_Synth_Featherwing_20200201

Tph_Synth_Featherwing_20200201

Created by whatnick on 2020-02-02 08:34:44

2 Layer Board - 4.6499 sq in (2.0138in x 2.3090in) / 2999.93 sq/mm (51.15mm x 58.65mm)
$17.62 per set of 4 ($3.79 per sq in)

This is a FeatherWing ideally used with Teensy 3.2/4.0 to drive a high-speed DAC with filtering and signal conditioning using Opamps.

License: TAPR
Project URL: https://github.com/whatnick/Tph_Synth_Featherwing
Tags: 3-phase, synthesizer

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