Hardware

MIC39100-5.0WS-TR

MIC39100-5.0WS-TR·Microchip·SOT-223

Microchip Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

LM2576 3A Step-Down Regulator

LM2576·Texas Instruments·TO-263-5

3 A step-down (buck) switching regulator with a 52 kHz internal oscillator and few external parts.

ME6216A13M3G

ME6216A13M3G·MICRONE·SOT-23

MICRONE Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

ME4055AM6G

ME4055AM6G·MICRONE·SOT-23-6

MICRONE Battery Management, SOT-23-6. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

ME301CMG

ME301CMG·MICRONE·SOT-23-3L

MICRONE DC-DC Converters, SOT-23-3L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

ME2199ASG

ME2199ASG·MICRONE·SOP-8

MICRONE DC-DC Converters, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

ME2108A30PG

ME2108A30PG·MICRONE·SOT-89-3

MICRONE DC-DC Converters, SOT-89-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

MD88R36

MD88R36·Shanghai Mingda Microelectronics·SOT-23-5L

Shanghai Mingda Microelectronics DC-DC Converters, SOT-23-5L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

LM1117-3.3

LM1117·Texas Instruments·SOT-223

TI 800 mA low-dropout regulator, SOT-223. Fixed 3.3 V, 1.2 V dropout, current limit + thermal. Datasheet-verified.

MD52E21QA3

MD52E21QA3·Shanghai Mingda Microelectronics·SOT-23-3L

Shanghai Mingda Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

MCP73831T-2ACI

MCP73831T-2ACI·Microchip Tech·SOT-23-5

Microchip Tech Battery Management, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

INA181A2IDBVR - Current-Sense Amplifier

INA181A2IDBVR·Texas Instruments·SOT-23-6

Texas Instruments Current-Sensing Amplifiers, SOT-23-6. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

KTI226V S RKTU

KTI226V S RKTU·Intel Altera·VQFN-56-EP(7x7)

Intel Altera Ethernet Controllers, VQFN-56-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

DRV8825

DRV8825·Texas Instruments·HTSSOP-28

TI microstepping bipolar stepper driver, HTSSOP-28. Up to 2.5 A/coil, 1/32 step, STEP/DIR translator, 45 V. Datasheet-verified.

BE8002D

BE8002D·BORN·SOP-8

BORN Audio Amplifiers, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

BAR 64-05 E6327

BAR 64-05 E6327·Infineon Technologies·SOT-23

Infineon Technologies RF Switches, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

AMS1117-3.3

AMS1117-3.3·Advanced Monolithic Systems·SOT-223

AMS 1 A low-dropout fixed 3.3 V regulator, SOT-223. 1.3 V dropout at 0.8 A, internal current + thermal limit. Datasheet-verified.

AMS1117-5.0

AMS1117-5.0·Advanced Monolithic Systems·SOT-223

AMS 1 A low-dropout fixed 5 V regulator, SOT-223. The 5 V sibling of the AMS1117-3.3. Datasheet-verified.

ABM8-16.000MHZ-B2-T (16 MHz)

ABM8-16.000MHZ-B2-T·Abracon·ABM8 SMD 3.2x2.5mm (4-pad)

Abracon ABM8 16.000 MHz SMD crystal, 3.2x2.5 mm 4-pad. 18 pF load, ±20 ppm, ESR <=70 ohm. Datasheet-verified.

π220N31

π220N31·2Pai Semi·SOIC-8

2Pai Semi I2C Isolators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

sn74ahct126qdrq1

SN74AHCT126QDRQ1·Texas Instruments·SOIC-14

Texas Instruments Buffers, Drivers, Receivers, Transceivers, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

Steven's Nameplate: three revisions

STEVEN-LED-NAMEPLATE

A USB-C desk nameplate for Steven Moss (Astera Institute), built three ways and published as open experiments: a 3x5 LED board, a 5x7 LED board, and a laser-ablated silkscreen plate. Source, fab files, negative results, reproduce steps.

Ellaine's Nameplate: two revisions

ELLAINE-LED-NAMEPLATE

A USB-C desk nameplate for Ellaine Chou (Astera Institute), built two ways and published as open experiments: a 5x7 LED board and a laser-ablated silkscreen plate. Source, fab files, negative results, reproduce steps.

rp1-breakout-molecule-extended

rp1-breakout-molecule-extended·Adom

U.FL + SMP + YAT attenuator on a machine-pin breakout — 104 x 104 mm

ranger-micro-breakout-molecule-extended

ranger-micro-breakout-molecule-extended·Adom

U.FL + SMP + YAT attenuator breakout — 104 x 104 mm

ucc28061dr

UCC28061DR·Texas Instruments·SOIC-16

Texas Instruments AC-DC Controllers And Regulators, SOIC-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.

BQ25792 Charger

BQ25792·Texas Instruments·Charger board (Adom modular)

Buck-boost 1S-4S battery charger board (TI BQ25792) with 14 Adom machine pins, by Adonis

WS2812B

WS2812B·Worldsemi·SMD-5050

Worldsemi integrated addressable RGB LED (NeoPixel), 5050. Single-wire chainable, 24-bit color, 5 V. Datasheet-verified.

W5500

W5500·WIZNET·LQFP-48(7x7)

WIZNET Ethernet Controllers, LQFP-48(7x7). Datasheet-verified pinout, KiCad symbol/footprint/3D.

USBLC6-2SC6

USBLC6-2SC6·STMicroelectronics·SOT-23-6

ST very-low-capacitance ESD protection for 2 data lines, SOT-23-6. 3.5 pF, IEC level 4. Datasheet-verified.

XC6206P332MR

XC6206P332MR·UMW·SOT-23

UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.

ULN2003A

ULN2003A·Texas Instruments·SOIC-16

TI 7-channel Darlington array, SOIC-16. 500 mA/50 V per channel, freewheeling diodes, TTL inputs. Datasheet-verified.

VL53L0X

VL53L0X·STMicroelectronics·LGA-12

ST time-of-flight ranging sensor, LGA-12. 940 nm VCSEL, up to 2 m, I2C. True distance, ambient-immune. Datasheet-verified.

TP4056

TP4056·UMW·ESOP-8

UMW Battery Management, ESOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.

TMC2209

TMC2209·Analog Devices (Trinamic)·QFN-28

Trinamic/ADI silent stepper motor driver, QFN-28. StealthChop2, StallGuard4, up to 2 A RMS, 1/256 microstep. Datasheet-verified.

TL431

TL431·Texas Instruments·SOT-23 (DBZ)

TI adjustable precision shunt regulator, SOT-23. Vref 2.5 V, programmable to 36 V, sinks 1-100 mA. Datasheet-verified.

TLC5940

TLC5940·Texas Instruments·HTSSOP-28

TI 16-channel constant-current LED driver, HTSSOP-28. 12-bit PWM + 6-bit dot correction, daisy-chainable. Datasheet-verified.

TIP120 NPN Darlington Transistor

TIP120·STMicroelectronics·TO-220

NPN Darlington power transistor, 60 V / 5 A, with high current gain in a TO-220 package.

TCA9548A

TCA9548A·Texas Instruments·TSSOP-24

TI 8-channel bidirectional I2C switch, TSSOP-24. Fans one bus to 8, 3 address pins, reset. Datasheet-verified.

Solar MPPT Power System

A 30 W solar battery charger with regulated 5 V and 3.3 V rails: an STM32G031 running perturb & observe MPPT and a CC/CV charge state machine, steering a TI LM5175 4-switch buck-boost through a single analog control input. Four-layer KiCad board, schematic and PCB generated from Python, with an electrothermal simulation run against the published board file.

SN65HVD230

SN65HVD230·Texas Instruments·SOIC-8

TI 3.3 V CAN transceiver, SOIC-8. ISO 11898-2, up to 1 Mbps, standby mode. Datasheet-verified.

SI2301

SI2301·YONGYUTAI·SOT-23

YONGYUTAI MOSFETs, SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.

RP2040

RP2040·Raspberry Pi·QFN-56

Raspberry Pi dual-core Arm Cortex-M0+ MCU, QFN-56. 133 MHz, 264 KB SRAM, PIO, 30 GPIO, USB. The Pico chip. Datasheet-verified.

PIC16F877A

PIC16F877A·Microchip Technology·PDIP-40

Microchip 8-bit PIC MCU, 40-pin DIP. 14 KB flash, 368 B RAM, 20 MHz, 33 I/O, 8-ch 10-bit ADC. Datasheet-verified.

PCM5102A

PCM5102A·Texas Instruments·TSSOP-20

TI stereo I2S audio DAC, TSSOP-20. 32-bit/384 kHz, on-chip charge pump + PLL, no MCLK needed. Datasheet-verified.

PCF8574

PCF8574·Texas Instruments·SOIC-16

TI remote 8-bit I2C I/O expander, SOIC-16. Eight quasi-bidirectional lines, 3 address pins, open-drain INT. Datasheet-verified.

PCA9685

PCA9685·NXP Semiconductors·TSSOP-28

NXP 16-channel 12-bit PWM controller, TSSOP-28. I2C, per-channel duty + phase, the servo-driver chip. Datasheet-verified.

NE555P

NE555P·Texas Instruments·DIP-8

Texas Instruments Timers / Counters, DIP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.