charger2s/2018-05

2 layer board of 2.03 x 0.47 inches (51.5 x 12.0 mm).
Shared on May 25th, 2018 03:26

charger2s/2018-05

KC1FSZ AudioAmplifier-1.kicad_pcb

2 layer board of 2.56 x 1.63 inches (64.9 x 41.4 mm).
Shared on May 25th, 2018 02:13

An audio amplifier based on the LM386. Design contains a digital potentiometer for the gain control, which is helpful for digital volume control and computer-controlled AGC action.

KC1FSZ BIDI-AMP-1.kicad_pcb

2 layer board of 1.91 x 1.31 inches (48.4 x 33.2 mm).
Shared on May 25th, 2018 02:05

Bilateral amplifier taken from VU2ESE’s BITX-40 design for through hole components. This is not the TIA design, this is the single transistor (in each direction) version.

hallows_revE

2 layer board of 2.50 x 2.15 inches (63.4 x 54.5 mm).
Shared on May 25th, 2018 01:57

OptoLEDboard.kicad_pcb

2 layer board of 2.28 x 2.12 inches (57.8 x 53.8 mm).
Shared on May 24th, 2018 21:07

V2 with pins on barrel jack corrected.

CapCircuitGerber

2 layer board of 1.12 x 1.56 inches (28.4 x 39.6 mm).
Shared on May 24th, 2018 20:29

PCB for capacitor for FMC transient generator

RelayPCBTH_2_Gerber

2 layer board of 1.25 x 1.21 inches (31.6 x 30.6 mm).
Shared on May 24th, 2018 20:27

PCB for diode and transistor for FMC transient generator, through hole version

stepper_switch_cc8

2 layer board of 2.22 x 2.04 inches (56.3 x 51.7 mm).
Shared on May 24th, 2018 19:51

Stepper 4:1 switch for multi color 3d printer

l432_bobv0.1

2 layer board of 0.85 x 1.46 inches (21.5 x 37.0 mm).
Shared on May 24th, 2018 19:36

STM32L432KC breakout board

More details here: http://ebrombaugh.studionebula.com/embedded/stm32l432breakout/index.html

WiFi Weather Sensor (Ver. 3)

2 layer board of 1.19 x 1.64 inches (30.1 x 41.6 mm).
Shared on May 24th, 2018 13:31

IoT WiFi Temperature, humidity and barometric pressure sensor with battery voltage monitoring

This updated v3 board features SHT35 temperature / humidity sensor and a Molex Picoblade 1.25mm connector for external sensors.

https://github.com/MalteP/espweather

RF Detector

2 layer board of 1.93 x 1.91 inches (49.0 x 48.6 mm).
Shared on May 24th, 2018 08:04

1 GHz signaldetector

I2C to RJ45 w/pullups

2 layer board of 0.69 x 0.85 inches (17.5 x 21.6 mm).
Shared on May 24th, 2018 05:28

Basically an I2C w/pullup over RJ45 regardless of straight-through or cross-over.

Power Supply Controller

2 layer board of 1.63 x 1.01 inches (41.3 x 25.7 mm).
Shared on May 24th, 2018 04:40

Micro controller for power supply. Includes LCD, rotary encoder, keypad, I2C bus for external power modules plus UART & USB for remote control.

IntyQuadClock2

2 layer board of 1.46 x 2.17 inches (37.2 x 55.2 mm).
Shared on May 24th, 2018 03:55

Quadruples the Intellivision’s MCLK signal for the purpose of providing an overlay video color timeslice clock.

ZeroPhone Delta keypad board

2 layer board of 1.58 x 2.37 inches (40.2 x 60.2 mm).
Shared on May 24th, 2018 00:35

ZeroPhone Delta front board

2 layer board of 1.58 x 3.94 inches (40.2 x 100.2 mm).
Shared on May 24th, 2018 00:32

ZeroPhone Delta back board

2 layer board of 1.58 x 3.94 inches (40.2 x 100.2 mm).
Shared on May 24th, 2018 00:31

ZeroPhone Delta 18650 board

2 layer board of 1.58 x 3.47 inches (40.2 x 88.2 mm).
Shared on May 24th, 2018 00:30

ZeroPhone Delta speaker adapter

2 layer board of 0.64 x 0.32 inches (16.1 x 8.2 mm).
Shared on May 24th, 2018 00:28

PaddleCard_fixed

2 layer board of 0.94 x 1.01 inches (23.8 x 25.7 mm).
Shared on May 23rd, 2018 21:53