Boards by cellularmitosis

33 boards

Open-source boards designed in KiCad by cellularmitosis on GitHub, from 28 repositories. A board’s address here is its repository’s there.

2 layers49.5 × 49.5 mm
Atmega gpib
cellularmitosis/atmega-gpib
An ATmega-based GPIB-to-USB adapter board.
24 parts16MIT
2 layers49.5 × 42.5 mm
Hp ref
cellularmitosis/hp-03458-66509-clone
A clone of the LTZ1000 reference board from the HP 3458A 8.5-digit multimeter
46 parts12MIT
2 layers48.9 × 45.7 mm
Pxref24
cellularmitosis/px-ref
An LTZ1000-based 7V reference (circuit by Andreas)
78 parts11MIT
2 layers79.9 × 49.9 mm
Dr frank ltz1000
cellularmitosis/dr-frank-ltz1000
Dr. Frank's LTZ1000 reference
57 parts9
2 layers49.5 × 49.5 mm
ProgrammableLM317
cellularmitosis/ProgrammableLM317
A TTL-serial programmable LM317 voltage voltage supply circuit board design.
29 parts3MIT
2 layers100 × 100 mm
Abx
cellularmitosis/abx-tayda
A relay board for performing blind A/B testing of two audio sources.
85 parts2MIT
2 layers49.5 × 25.4 mm
ICL7660
cellularmitosis/NegativeRail
An ICL7660 based negative rail daughter board.
24 parts2MIT
2 layers83.8 × 33 mm
Isothermal
cellularmitosis/1590b-isothermal
A board which adheres to the bottom of a Hammond 1590B and regulates its temperature.
34 parts1MIT
2 layers49.5 × 49.5 mm
Trivial lm399
cellularmitosis/basic-lm399
A very basic LM399 voltage reference board design.
27 parts1MIT
2 layers29.2 × 24.8 mm
Negative supply
cellularmitosis/breadboard-helpers
A few breakout boards of commonly needed circuits when creating breadboard prototypes.
19 parts1MIT
2 layers49.5 × 49.5 mm
Gpib spy
cellularmitosis/gpib-spy
A GPIB pass-through board with connectors for logic analyzers.
5 parts1MIT
2 layers49.5 × 49.5 mm
HeadlightRelayControl
cellularmitosis/HeadlightRelayControl
A circuit board to control automotive headlight relays.
42 parts1MIT
2 layers49.5 × 49.5 mm
Si7021-attiny
cellularmitosis/lab-logger
A USB-based temperature / humidity logger, based on a Si7021 breakout board.
29 parts1MIT
4 layers45.7 × 16.5 mm
Lm399-stick
cellularmitosis/lm399-stick
A small, pluggable 7V LM399 reference module.
15 parts1MIT
2 layers20.3 × 38.7 mm
Supply
cellularmitosis/lt1763
A low-noise supply based on the LT1763.
14 parts1MIT
2 layers99.7 × 49.5 mm
Opamp vos
cellularmitosis/opamp-vos
A board to measure the Vos (input offset voltage) of op amps.
99 parts1MIT
2 layers99.1 × 132.1 mm
Scanner
cellularmitosis/scanner
A relay board for scanning voltage references.
69 parts1MIT
2 layers40.6 × 22.9 mm
817-TTL Serial Optoisolator
cellularmitosis/817-TTL-Serial-Optoisolator
A board for isolating a TTL serial RX / TX pair using 817 (4-pin) optoisolators.
17 partsMIT
2 layers149.9 × 99.1 mm
Gate timer
cellularmitosis/gate-timer
A beam-interrupt timer with a large 7-segment display.
56 partsMIT
2 layers62.2 × 49.9 mm
Isothermal
cellularmitosis/isothermal
An Arduino shield which regulates temperature.
38 partsMIT
2 layers49.5 × 49.5 mm
MarcoPoloTTLSerialTester
cellularmitosis/MarcoPoloTTLSerialTester
A board for testing a TTL Serial communication channel.
39 partsMIT
2 layers49.5 × 49.5 mm
MC34063BoostEvalBoard
cellularmitosis/MC34063BoostEvalBoard
An evaluation board for use with the MC34063 switcher in boost configuration.
46 partsMIT
2 layers49.5 × 49.5 mm
MC34063InvertingEvalBoard
cellularmitosis/MC34063InvertingEvalBoard
An evaluation board for use with the MC34063 switcher.
44 partsMIT
2 layers32.4 × 7.6 mm
Resistor plug
cellularmitosis/resistor-plug
A small board for a single precision resistor, which uses machine-pin headers for a 4-wire connection.
7 partsMIT