
Boards using the LM311
149 boardsBoards in 94 GitHub repositories, designed in KiCad, that use the LM311 by Gcore (0℃~+70℃ 1 1.7nA 2.4mA 200ns 2mV 36V 45nA 5V~30V TTL、CMOS ±15V SOP-8 Comparators ROHS). See how each wires it, with its parts, size, README and files; the LM311’s symbol, footprint and pinout are on its own page.
- 2 layers58 × 110 mm

- 2 layers215 × 100 mm

- 4 layers80 × 80 mm

- 2 layers216 × 150 mm

Motherboard-101
artemisamsx/artemisa
Schematics, PCB designs and HDL simulations to build a 8-bits MSX computer
124 parts67 - 2 layers101.6 × 147.3 mm

Karabas pro revER
andykarpov/karabas-pro
FPGA based retrocomputer with FDD and HDD controllers
223 parts37MIT - 2 layers44 × 100 mm

HP45 Standalone V4.02
yvodehaas/HP45-standalone-controller-V4.02
HP45 standalone controller V4.02
90 parts36GPL-3.0 - 4 layers55.9 × 78.7 mm

- 2 layers217.2 × 113 mm

Junior interface
laurent-fr/junior_computer_replica
A replica of the Junior Computer (a KIM-1 clone) published by Elektor in the 80's
120 parts14 - 2 layers97.3 × 128.5 mm

- 2 layers134.5 × 83.9 mm

LC Meter
TeknoTrek/LC-Meter
This repository is part of the Teknotrek YouTube channel, featuring the DIY LC Meter project. It includes KiCad files, schematics, PCB layouts, and Arduino firmware.
27 parts9 - 4 layers133.9 × 165.1 mm

Main VCO board
JordanAceto/micro_ox
Monosynth with analog signal path and digital controls. SSI2130 VCOs and SSI2140 VCF.
295 parts8CC-BY-4.0 - 2 layers

- 4 layers240 × 80 mm

- 2 layers147.4 × 63.2 mm

Guitar down octave
MR-DOS/guitar_down_octave
A octave-down effect for guitar. All analog, no microcontroller, no DSP.
219 parts5GPL-3.0 - 2 layers

Neuromime 1.0.1 minor corr
gnimm/neuromime
The “neuromime” is an electronic model of an organic nerve cell that can be interconnected in chains and loops.
55 parts4 - 4 layers223 × 226 mm

Apple PCB 820-0086-C
RichCini/MacRedux
Redraws/reimplementations of various legacy Macintosh boards.
186 parts4 - 2 layers100 × 80 mm

- 4 layers70 × 69.8 mm

- 2 layers71.6 × 42.7 mm

TSAL
danielortval/RamRacing-EV-PCBs
Full schematic and PCB designs for RAM Racing’s Formula SAE Electric Vehicle. Includes tractive system active light, hard fault latch, precharge/discharge circuits, and the complete EV schematic.
48 parts2 - 2 layers40 × 80 mm

HP45 Standalone V3.00 Driver
georgeExotic/Vulcan_Labs
ESET 419/420 Senior Design Project. VULCAN LABS.
41 parts2 - 2 layers100 × 50 mm

Moba block stelle
hpbock/moba-bockstelle
Ein Blockstellenmodul für analoge Modellbahnen zur Ansteuerung von Lichtsignalen, Zugbeeinflussung und Belegtmeldung für Loconet-T.
88 parts1 - 2 layers80 × 130 mm

E003-capstan
KP1533TM2/e003-capstan
Блок управления ведущим двигателем Олимпа 003 с ФАПЧ, основанный на БУВД самодельного магнитофона TK-140 leoniv
130 parts1 - 2 layers293.1 × 125.3 mm

- 4 layers140 × 136 mm

Vinyl adc rev d
MadsRudolph/vinyl-adc
Discrete 3rd-order delta-sigma stereo audio ADC, built from op-amps and logic gates: a four-layer Raspberry Pi HAT made by PCBWay, with KiCad files, SPICE simulations and measurements
184 parts1