Bygonebytes

100 PCB's

I have reached the milestone of 100 PCB's made for my projects! Although the majority worked first time there were some boards that simply failed and others that needed a tweak here and there and warranted a remake.

Some are of my design and others are made from workbooks such as the Maplin 5600 synthesiser or from gerbers available on GitHub/web sites such as the 8748 Micro-contoller programmer, Electron Minus one etc.

Title Project/Link
001 RPi Drummer Interface 4 input -
002 RPi Drummer 8 input RPi Drummer
003 Single Channel for Mixer Audio Mixer
004 Single Channel for Mixer Audio Mixer
005 Single Channel for Mixer Audio Mixer
006 cancelled -
007 Maplin 3800/5600 Oscillator Maplin 5600 Synthesiser
008 Maplin 3800/5600 PSU Maplin 5600 Synthesiser
009 Maplin 5600 Mixer Maplin 5600 Synthesiser
010 Pseudo SCL4416 used in Maplin 3800/5600 Maplin 5600 Synthesiser
011 Maplin 3800/5600 1979 Keyboard Controller Maplin 5600 Synthesiser
012 Maplin 3800/5600 Sample & Noise Maplin 5600 Synthesiser
013 Maplin 3800/5600 Transient/Envelope Maplin 5600 Synthesiser
014 Maplin 3800/5600 Voltage Controlled Amplifier VCA Maplin 5600 Synthesiser
015 Maplin 3800/5600 Transient A&B Maplin 5600 Synthesiser
016 Maplin 3800/5600 Transient Retrigger Maplin 5600 Synthesiser
017 Maplin 5600 Reverb & Phase Maplin 5600 Synthesiser
018 Maplin 5600 Voltage Controlled Panning & Ancillaries Maplin 5600 Synthesiser
019 Maplin 3800/5600 Keyboard Controller LED Strip Maplin 5600 Synthesiser
020 Maplin 3800/5600 RPi Interface Maplin 5600 Synthesiser
021 Maplin 3800/5600 Voltage Controlled Filter VCF Maplin 5600 Synthesiser
022 Maplin 3800/5600 External Inputs Maplin 5600 Synthesiser
023 Maplin 3800/5600 Joy Lever Maplin 5600 Synthesiser
024 Maplin 3800/5600 Binary Encoder Maplin 5600 Synthesiser
025 Switched DPCO Potentiometer Maplin 5600 Synthesiser
026 Micro Switch Keyboard Maplin 5600 Synthesiser
027 Maplin 3800/5600 LM380 Alternative Headphone Amplifier Maplin 5600 Synthesiser
028 Maplin 3800/5600 LM380 Alternative Headphone Amplifier Maplin 5600 Synthesiser
029 PCB Potentiometer Breakout Maplin 5600 Synthesiser
030 Maplin 3800/5600 LM380 Alternative Headphone Amplifier Maplin 5600 Synthesiser
031 Modular Synth PSU Modular Synthesiser
032 Modular Synth Echo Effects Module Modular Synthesiser
033 Modular Synth CEM3340 VCO Modular Synthesiser
034 Modular Synth 8 Channel Mixer Module Modular Synthesiser
035 Clock & Sequence Module PCB1 Modular Synthesiser
036 Clock & Sequence Module PCB2 Modular Synthesiser
037 Modular Synth CEM3340 VCO Modular Synthesiser
038 Modular Synth VCF Modular Synthesiser
039 Modular Synth VCA & Noise Modular Synthesiser
040 Modular Synth ADSR Modular Synthesiser
041 RPi MIDI Interface Raspberry Pi Midi Interface
042 RPi MIDI Interface Raspberry Pi Midi Interface
043 Practical Electronics MIDI Interface June 2019 -
044 BBC Master ROM Breakout Acorn Revival 2019
045 Raspberry Pi BBC Tube interface Acorn Revival 2019
046 -- -
047 RGB TTL Switch 5 to 1 Acorn Revival 2019
048 Battery Backed RAM Module New old module Acorn Revival 2019
049 Battery Backed RAM Module New old module Acorn Revival 2019
050 RGB TTL Switch 5 to 1 Acorn Revival 2019
051 BBRAM for AP6 Acorn Revival 2019
052 BBRAM V2.1 for AP6 Acorn Revival 2019
053 RGB TTL SWITCH 6 to 1 Acorn Revival 2019
054 RGB TTL SWITCH 6 to 1 Acorn Revival 2019
055 -- -
056 -- -
057 -- -
058 -- -
059 BBC MASTER ROM/SRAM SWITCH Acorn Revival 2019
060 User Port BBRAM 2.1 Cancelled -
061 User Port BBRAM 2.1 Acorn Revival 2019
062 User Port BBRAM 2.1 Acorn Revival 2019
063 Electron User Ports -
064 Electron Slot Extenston 1 of 2 Acorn Revival 2019
065 Electron Slot Extension 2 of 2 Acorn Revival 2019
066 User Port Interface Acorn Revival 2019
067 User Port Interface/Syndrum Interface Electron Sequencer
068 Electron Modular Synth Interface v1.0 Electron Sequencer
069 Syntom Drum Synth -
070 Syntom Drum Synth -
071 Electron Modular Synth Interface v1.1 Electron Sequencer
072 Battery Backed Ram -
073 Battery Backed Ram -
074 e2p with dual User Ports - fail -
075 Slogger Pegasus 400 Acorn Revival 2019
076 e2p with dual User Ports - 2MHz max. -
077 RGB 5V Booster Acorn Revival 2019
078 e2p with dual User Port 8MHz - cancelled -
079 e2p with dual User Port 8MHz Acorn Revival 2019
080 USB 5v Distribution for Gotek Drives Acorn Revival 2019
081 ROM Cartridge with User Port - one track error
-
082 ROM Cartridge with User Port Acorn Revival 2019
083 Slogger Pegasus 400 - silkscreen fix Acorn Revival 2019
084 6502 NOP Tester Acorn Revival 2019
085 Frequency Counter 12V to 5V and sig. pre amp -
086 Binary to Hex display - fail -
087 OSTC Open Source Turbo Card Acorn Electron Refurbishment and Upgrading
088 Binary to Hex Display -
089 Electron Minus one Acorn Electron Refurbishment and Upgrading
090 Electron User Ports v1.1 Acorn Revival 2019
091 -- -
092 Thermo Switch v1.0 - fail -
093 RGB To HDMI 12bit -
094 Sideways RAM Cartridge Acorn Electron Sideways RAM Cartridge
095 Electron 32K Flash Cartridge An Acorn Electron Sideways Flash ROM Cartridge
096 Thermo Switch v1.1 RPi Pico Thermometer Switch
097 Pico to Zero Quiz Control Panel Update
098 8748 Clock Module Workshop Clocks
099 MCS48Programmer short 8748/9 Programmer
100 hveprom 2708 programmer short 2708 Programmer
101 8755 Adapter -
102 8748 Clock LED Display Front Workshop Clocks
103 ScR TD Display Test Unit Display Module Tester v3 & ScR TD Display Module restoration
104 SES81/6-2 Mod1 TD Display LED Matrix Display Module Tester v3 & ScR TD Display Module restoration
105 20x4 Display PCB - Prototype 20x4 Display for the Acorn Electron
106 20x4 Display PCB - Final 20x4 Display for the Acorn Electron
107 Combined Slogger 400 Disc Interface/User Ports/LCD Port A use for the 40x04 LCD Screen
108 ROM/User Port - DIP version - Prototype ROM & User Port Cartridge
109 ROM/User Port - PLCC version - Prototype ROM & User Port Cartridge
110 -- --
111 -- Abandoned
112 -- --
113 GAL Checker 22V10/16V8 GAL Checker
114 ROM/User Port - DIP version ROM & User Port Cartridge
115 ROM/User Port - PLCC version ROM & User Port Cartridge
116 Combined Slogger 400 Disc Interface/User Ports/LCD Port - revisit A use for the 40x04 LCD Screen
117 SRAM Cartridge v2 - 2x16K SRAM Cartridge v2
118 -- --
119 SRAM Cartridge v3 - 3x16K SRAM Cartridge v3
120 Battery Backed SRAM Cartridge v3.5 - 3x16K Battery Backed SRAM Cartridge v3.5
121 Battery Backed SRAM Cartridge v2.5 - 3x16K Battery Backed SRAM Cartridge v2.5
122 -- --
123 ETI120 Logic Probe ETI Project 120 Logic Probe
124 Electron BBSRAMextreme Electron Battery Backed RAM cartridge, sixteen 2x16K banks plus one 16K RAM/ROM bank
125 Acorn Electron/Plus 1/Slogger+2 Clone Combining an Electron, the Plus1 and the Slogger +2 onto on circuit board.
126 Keyboard for the Electron Clone Keyboard the Electron Clone