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- 0/10/20/30 dB Attenuator
- 3DPrinting
- 60W Constant Current Electronic Load Battery Capacity Tester
- 6 Channel Relay Driver Card
- A-C4E10 Cyclone IV FPGA EP4CE10E22C8N Development Board
- A-C4E6 Cyclone IV FPGA EP4CE6E22C8N Development Board
- A-ESTF V2 EP4CE22 Board
- ADE-MIXER
- ADE1-MIXER Assembly Sheet
- ANA-SIG-CON
- ANSI Terminals
- ANTUNER
- ANTUNER-X1 Assembly Sheet
- ATProgHead
- A Termination Insensitive Amplifier for Bidirectional Transceivers
- Antennas
- ArduinoInABox
- ArduinoInABox Assembly Instructions Rev 1
- Arduino Based Test Station
- Arduino NANO MOZZI on ER-PROTO-01
- Arduino Nano
- Arduino Nano Breakout Card Assembly Sheet
- Arduino Pro Mini
- Arduino Sensor Shield
- AudioAmp380
- AudioAmp384
- AudioAmp384 Rev X1
- AudioAmp386
- AudioAmp386 Assembly Sheet
- BASE-EP4CE6
- BBB-COMMS-2
- BBB-COMMS-2 Rev X1 Assembly Sheet
- BBB-COMMS-2 Rev X3 Assembly Sheet
- BBB-GVS
- BBB-GVS-3
- BBB-GVS-3 Rev X2 Assembly Sheet
- BBB-GVS-4
- BBB-GVS-4 Rev 1 Assembly Sheet
- BBB-GVS Rev X4 Assembly Sheet
- BBB-GVS Rev X5 Assembly Sheet
- BLACK-PILL-HUB
- BLUE-PILL-HUB
- BUTTER07
- BeagleBone
- Beaks Through Hole Peaks
- Benchtop Power Supply DPS3005
- Black Pill Hub Assembly Rev 1
- Blue Pill Hub Assembly Sheet
- Blue Pill Hub Assembly Sheet Rev 4
- BrBdPwrSply
- CARRIER95TO49MM
- CCLED
- CCLED-X1-PL Assembly Sheet
- CCLOAD-01
- CCLOAD-01 Assembly Sheet
- CV SHIFT on ER-PROTO-02
- Colpitts Crystal Oscillator
- Colpitts XTAL Oscillator Rev 1 Assembly Sheet
- Colpitts XTAL Oscillator Rev 2 Assembly Sheet
- CoreEP4CE6 PL and Assembly Sheet
- Crystal Filter Design
- Crystal Filter Videos
- Cyclone II EP2C5 Mini Dev Board
- Cyclone IV FPGA EP4CE6E22C8N Development Board USB V2
- DB-37 Ribbon Adapter Assembly Sheet
- DB25-02
- DB25-02 Assembly Sheet
- DB25RIBBON
- DB25RIBBON Rev X1 Assembly Sheet
- DB37RIBBON
- DCE
- DCE Assembly Sheet
- DIGIO-128
- DIGIO-128 Rev X3 Assembly Sheet
- DIGIO-128 Rev X4 Assembly Sheet
- DIGIO32-I2C
- DIGIO32-I2C Assembly Sheet
- DIODE-MIXER
- DRIVE50
- DRIVE50 Assembly Sheet
- DS18S20
- DS18S20-LDR
- DTE
- DTE Assembly Sheet
- DeemerSingley432
- DickmanGainey368
- DiffProbe
- Differential Probe Assembly Sheet
- DigIO16-I2C
- Display Processor Assembly Sheet
- EP2C5-DB
- EP2C5-DB-TH Rev 1 Assembly Sheet
- EP2C5-DB Rev X6 Assembly Sheet
- EP4 FPGA BREAKOUT
- ER-ADSR-555-01
- ER-ADSR-555-01 Rev 1 Assembly Sheet
- ER-ADSR-555-01 Rev 2 Assembly Sheet
- ER-ADSR-555-01 Rev 3 Assembly Sheet
- ER-BEZIER-CV
- ER-CV-AMP3
- ER-CVPOTS4
- ER-DELAY-01
- ER-DELAY-02
- ER-GATE-SEQ-01
- ER-LEDS
- ER-MIDI-CV4-02
- ER-MIDI-CV4-02 Rev 1 Assembly Sheet
- ER-MIDI-THRU
- ER-MIDI-THRU Rev 1 Assembly Sheet
- ER-MIXER5-01
- ER-MIXER5-01 Rev 1 Assembly Sheet
- ER-MIXER5-02
- ER-MOZZI-DB
- ER-MOZZI-DB-03
- ER-MOZZI-DB-03 Rev 1 Assembly Sheet
- ER-MOZZI-DB Rev 1 Assembly Sheet
- ER-MOZZI-DB Rev 2 Assembly Sheet
- ER-MOZZI-DB Rev 3 Assembly Sheet
- ER-MOZZI-DRUMS
- ER-MULTS-01
- ER-MULTS-02
- ER-PROTO-01
- ER-PROTO-01 Assembly Sheet
- ER-PROTO-02
- ER-PROTO-02 Rev 1 Assembly Sheet
- ER-PWR-01
- ER-SCOPE-01
- ER-SH-02
- ER-SH-NOISE
- ER-SH-NOISE Rev 1 Assembly Sheet
- ER-STIX
- ER-USB-MIDI
- ER-VCA2-01
- ER-VCA2-01 Rev 1 Assembly Sheet
- ER-VCA2-01 Rev 2 Assembly Sheet
- ER-VCF-01 Rev 3 Assembly Sheet
- ER-VCF-02
- ER-VCF-02 Rev 1 Assembly Sheet
- ER-VCO-03
- ER-VCO-03 Rev 2 Assembly Sheet
- ESP-32-VGA Rev 1 Assembly Sheet
- ESP32
- ESP32-I2C-HUB
- ESP32-I2C-HUB Assembly Sheet
- ESP32-TERM
- ESP32-VGA
- ESP32-VGA Rev 1
- ESP32-VGA Rev 2 Assembly Sheet
- ESP32-VGA Rev 3 Assembly Sheet
- Embed IOP16
- Enclosure Ideas
- Eurorack Box Build
- Eurorack Box Build V2
- Eurorack Panel Jacks
- Eurorack Pots
- Eurorack Synth Modules
- Extend IOP16 minimal example
- FM-NOTCH
- FPGA-ITX-01
- FPGA-ITX-01 Rev 1 Assembly Sheet
- FPGA Support Cards
- FTDI-49MM
- FTDI-49MM Assembly Sheet
- FTDI-Monitor
- FTDI-USB-RS-232
- FTDI-USB-TTL
- FTDIBkout
- Frequency Calibration via GPS
- Frequency Counter
- Frequency Counter 6 Digits
- Frequency Counter 8 Digits
- Front Panel Assembly Sheet Rev 1
- Front Panel For 8 Bit Computers
- Front Panel V2 Assembly Sheet Rev 1
- Front Panel for 8 Bit Computers V2
- GPS Frequency Standard
- GRID49
- GRIS - Through-hole GRIDS
- GVS-32U4
- GVS-Switch
- GVSDuino
- GVSDuino Assembly Sheet
- GVSUNI
- HP 3200B VHF Oscillator
- HVDigitalPot
- HVDigitalPot2
- HVDigitalPot2F
- HW-9 VFO
- Ham Radio Projects
- High-Low-Band Pass Filters
- Homebrew RF Attenuators
- I2C-RPT
- I2C-RPT-01 Assembly Sheet
- I2C-RPT-08
- I2C-RPT-08 Assembly Sheet
- I2C-RPT-08 Rev 2 Assembly Sheet
- I2C-TEMP
- I2C-TEMP Assembly Sheet
- I2C-VFO3
- I2CIO-8
- I2CIO-8X
- I2CIO-8 Assembly Rev 3 Sheet
- I2CIO-8 Assembly Sheet
- I2CIO16-DB25
- I2CIO16-DB25 Rev 1 Assembly Sheet
- I2CIO8-X Assembly Sheet
- IOP-16 Performance
- IOP16 16-bit I/O CPU Design
- IOP16 ANSI Display
- IOP16 Assembler
- IOP16 Constants Unit
- IOP16 Front Panel interface
- IOP16 General Purpose I/O (GPIO)
- IOP16 I2C
- IOP16 Instructions Detail
- IOP16 Opcodes
- IOP16 PS/2 Keyboard
- IOP16 Peripheral Support
- IOP16 Register File
- IOP16 SD Card
- IOP16 SPI
- IOP16 Seven Segment Displays
- IOP16 Timer Unit
- IOP16 UART
- IOP16 VGA
- IQ Radios
- IRSens-2
- IR Sensor
- IReflow
- IReflow Assembly Sheet
- ITX-65C816
- ITX-65C816 Rev 1 Assembly Sheet
- ITX-BKOUT
- ITX-PI-PICO
- ITX-PI-PICO Rev 1 Assembly Sheet
- ITX-SWLEDs
- ITX-SWLEDs Rev 1 Assembly Sheet
- IntegTheremin
- JOYPAD
- JOYPAD Rev 1 Assembly Sheet
- K3NG Keyer
- KiCad
- Kits and Parts Hybrid Cascode IF Amp Module with AGC
- Kits and Parts Lowpass Filter
- Kits and Parts Mixers
- Kits and Parts Universal Wideband Small Signal RF Amplifier
- LB-65CXX-01
- LB-6802-01
- LB-6809-01
- LB-68B50-01
- LB-68B50-02
- LB-BKOUT-01
- LB-BKOUT-02
- LB-BKPLANE-01
- LB-LOGIC-01
- LB-MEM-02
- LB-MEM-03
- LB-MEM-04
- LB-Z80-01
- LB Backplane Computer
- LDRSensor
- LED-18
- LED-32
- LED-32 Assembly Sheet
- LED-TEST-2
- LED-Test
- LED1W
- LED1W4X
- LED32-DB37
- LED32-DB37 Assembly Sheet
- LEDS-SWITCHES
- LEDS-SWITCHES-2
- LEDS-SWITCHES-2 Assembly Sheet Rev 1
- LEDS-SWITCHES Assembly Sheet Rev 1
- LM2596 DC/DC Power Supply
- LM380 Rev 1 Assembly Sheet
- LM380 Rev 2 Assembly Sheet
- LM380 Rev 3 Assembly Sheet
- Land-Boards LED scroll
- Land Boards Synth Components
- MAX7219X4
- MAX7219X4 Assembly Sheet
- MHS-5200A DDS Signal Generator
- MIDI-IN-OUT
- MIDI-IN-OUT Rev 1 Assembly Sheet
- MMBASIC on XIAO RP2040
- MOD-CF-JACKS
- MOD-DIY
- MOD-MIDI-THRU
- MOD-NANO-CPU
- MOD-POTS
- MOD-XIAO-RP2040-CPU
- Main Page
- Mc-2g-102
- Mini360 Adapter Assembly Sheet
- Mini360 Adapter Board
- Mini360 Buck Converter
- MiniDuino
- Multicomp Hardware
- Multicomp in a Box
- Multicomp on Purchased Cards
- MyMenu
- MyMenu Assembly Sheet
- MyMenu Rev X4 Assembly Sheet
- NANO-BKOUT
- NanoVNA
- NewPot2
- NewPot2 Assembly Sheet
- Noise Generator on ER-PROTO-01
- ODAS-PSOC5
- ODAS-PSOC5 Rev 5 Assembly Sheet
- ODAS-PSOC5 Rev X1-X4
- ODAS-PSOC5 Rev X4 Assembly Sheet
- ODAS-RELAY-16
- ODAS-RELAY-16 Assembly Sheet
- OPTO8-OUT-I2C REV 4 Assembly Sheet
- OPTO8-OUT-I2C REV X2 Assembly Sheet
- OPTOFAST
- OPTOFAST-2
- OPTOFAST-2 Assembly Sheet
- OPTOUSB
- OPTOUSB Assembly Sheet
- Octopus Tester
- One Wire Data Logger
- One Wire Data Logger Assembly Sheet
- Open Data Acquisition System
- OptoFastBi
- OptoFastBi Assembly Sheet
- OptoFast Assembly Sheet
- OptoIn8-I2C
- OptoIn8-I2C Assembly Sheet
- OptoOut8-I2C
- OptoSmall
- OptoSmall Assembly Sheet
- PC-CASE-USB Rev 1 Assembly Sheet
- PC-Case-USB
- PD01
- PDP-11 ON RETRO-EP4CE15
- PDP-8 Front Panel
- PDP-8 Front Panel Assembly Sheet
- PE4302 RF Attenuator
- PIATX
- POWER-49MM
- PROTO16-I2C
- PROTO16-I2C Assembly Sheet Rev 3
