TransmitterPCB2

2 layer board of 1.41 x 1.67 inches (35.8 x 42.5 mm).
Shared on April 27th, 2018 15:31

Test transmitter for LAD

Charging dock 2.0

2 layer board of 3.60 x 0.91 inches (91.3 x 23.2 mm).
Shared on April 27th, 2018 14:47

View Documentation

Cerebro 5.7

2 layer board of 1.10 x 0.90 inches (27.9 x 22.9 mm).
Shared on April 27th, 2018 14:47

View Documentation

1.6 GHz L-Band QFH (Rev 2)

2 layer board of 0.89 x 3.11 inches (22.6 x 79.1 mm).
Shared on April 27th, 2018 10:41

1.6 GHz Right-hand Circularly Polarised Quadrifilar Helix Antenna.

BOM:
- SMA Connector
- 2mm Copper Wire

Element calculator
- Frequency: 1600 MHz
- Bend radius: 2mm
- Conductor diameter: 2mm
- All other settings default

Design by sam210723.

Amiga Drive Switcher

2 layer board of 2.05 x 1.05 inches (52.1 x 26.8 mm).
Shared on April 27th, 2018 05:13

This allows the Amiga 500 to map different drives to different select lines enabling the booting of an external drive.

DIY-Thermocam PCB v2.3

2 layer board of 3.52 x 2.69 inches (89.4 x 68.4 mm).
Shared on April 26th, 2018 22:01

https://github.com/maxritter/DIY-Thermocam GNU General Public License v3.0

IATS

2 layer board of 1.96 x 1.58 inches (49.7 x 40.2 mm).
Shared on April 26th, 2018 20:11

I.A.T.S.

It’s A Tube Screamer

DeathStarLamp_v3.5.3

2 layer board of 1.61 x 4.41 inches (41.0 x 112.1 mm).
Shared on April 26th, 2018 19:35

Circuit to support project described here: https://www.instructables.com/id/Alexa-Enabled-Death-Star-Lamp/

PS3 Amp

2 layer board of 0.70 x 0.95 inches (17.8 x 24.0 mm).
Shared on April 26th, 2018 18:30

PS3 Analog stick amplifier (4 pin/ hall version only) SOIC MPC3202 and LM358

Cerebro ICSP v1.2

2 layer board of 0.75 x 0.61 inches (18.9 x 15.4 mm).
Shared on April 26th, 2018 14:16

Impedance analyzer

2 layer board of 2.90 x 1.92 inches (73.7 x 48.8 mm).
Shared on April 26th, 2018 05:48

This is an impedance analyzer based on the AD5933. It has an AD8606 analog buffer, optional AD9834 clock generator, and an ATmega32u4 with a USB interface for control and data capture. An earlier version of this board was built and tested, and performed well. This version is essentially the same, but has some slight improvements in layout.

Schematic, firmware, and other files on GitHub

Parts list:

Corrected Back Flow Board

2 layer board of 1.87 x 2.00 inches (47.5 x 50.9 mm).
Shared on April 25th, 2018 20:22

PMT AMP_J000331REVH.brd

2 layer board of 2.39 x 3.91 inches (60.7 x 99.3 mm).
Shared on April 25th, 2018 20:04

pmtamp

CRS_DRIVER_J002706_OP.brd

2 layer board of 3.30 x 7.82 inches (83.8 x 198.7 mm).
Shared on April 25th, 2018 19:56

Nanomotion_J001404REVA.brd

2 layer board of 2.00 x 3.13 inches (50.8 x 79.5 mm).
Shared on April 25th, 2018 19:56

PMT_CNTLR_J002028REVE

2 layer board of 7.40 x 4.87 inches (188.0 x 123.7 mm).
Shared on April 25th, 2018 19:55

20180223_OM2

2 layer board of 2.77 x 2.47 inches (70.4 x 62.7 mm).
Shared on April 25th, 2018 19:40

CPC_RAM512K_V1.01

2 layer board of 2.90 x 2.35 inches (73.7 x 59.7 mm).
Shared on April 25th, 2018 19:13

Amstrad CPC 512K RAM Expansion using a XC9572 5V CPLD for all logic.

Status

• First board received, assembled and CPLD programmed in-situ (via JTAG).
• Memory passing basic tests with an unexpanded CPC464, timing seems fine.
• DK'Tronics software detects board and reports all 512K in memory test on startup

This version fixes the connector pin-out to be compatible with MX4 Motherboards and standard ribbon cable arrangements.

For project and CPLD programming details see my GitHub repository

snc98_main_cpu_v4

2 layer board of 6.62 x 1.18 inches (168.2 x 30.0 mm).
Shared on April 25th, 2018 18:47

snc98_main_cpu with Atmega1284 (40 Pin DIL Socket).

This is a part of .. snc98_Slash-Number-Calculator

snc98_3x4_Switch-block_v4

2 layer board of 2.22 x 3.28 inches (56.4 x 83.2 mm).
Shared on April 25th, 2018 18:44

snc98_3x4_Switch-block – you need 2x this PCB.

This is a part of .. snc98_Slash-Number-Calculator