Boards by freudenthal

19 boards

Open-source boards designed in KiCad by freudenthal on GitHub, from 14 repositories. A board’s address here is its repository’s there.

2 layers62.8 × 62.8 mm
TMC2240Breakout
freudenthal/TMC2240_NEMA23
A stepper driver board designed to mount on the rear of a NEMA 23 stepper.
80 parts1
2 layers63.5 × 82.6 mm
ADS1219Module
freudenthal/ADS1219Module
An ADS1219 I2C module
92 partsGPL-3.0
2 layers35 × 35 mm
DuplexUARTtoHalf
freudenthal/DuplexToHalfUART
A single PCB to convert full duplex (RX, TX) to half duplex (only 'data') for controlling UART serial servos.
29 parts
2 layers44.5 × 44.5 mm
HighSideSwitchModule
freudenthal/HighSideSwitchModule
A high side switch module.
36 parts
2 layers101.6 × 76.2 mm
I2CMultiplexer
freudenthal/I2CTCA9548Multiplexer
An I2C multiplexer using a TCA9548 and a PCF8574 for interrupt.
110 parts
2 layers45 × 35 mm
LM74502ORController
freudenthal/LM74502DiodeOR
A diode OR module designed to allow two power supplies to safely provide power to a single device. The voltage range is 3V to 60V input with a 3A load.
24 parts
2 layers57.1 × 76.2 mm
PCF8574DIOI2C
freudenthal/PCF8574DIOI2C
PCF8574 I2C expander module.
93 parts
2 layers108 × 88.9 mm
PicoIrrigation
freudenthal/PicoIrrigation
Breakout board for a Raspberry Pi Pico RP2040. Breaks out pins for mildly protected dual I2C, SPI, and UART.
156 parts
2 layers50.8 × 50.8 mm
PulseCounterI2C
freudenthal/PulseCounterI2C
An I2C pulse counter using a PCF8593.
35 parts
2 layers52 × 36 mm
Lt3758 iso flyback manual
freudenthal/skidl-eda
skidl-eda: AI circuit-design loop harness on the skidl stack
36 parts
2 layers165.1 × 88.9 mm
TeensyIrrigation
freudenthal/TeensyIrrigation

178 parts
4 layers62.8 × 62.8 mm
TMC2240 RP2040
freudenthal/TMC2240_RP2040_NEMA23

125 parts
2 layers96.5 × 48.3 mm
TransimpedianceAmplifierV2
freudenthal/TransimpedanceAmplifier
A multi-stage transimpedance amplifier with voltage offset.
115 parts
2 layers107.9 × 82.6 mm
ValveServoI2C
freudenthal/ValveServoI2C
A PCF8574 based 5 wire valve controller module.
156 parts
2 layers42 × 34 mm
Lt3758 boost hv manual
freudenthal/skidl-eda
skidl-eda: AI circuit-design loop harness on the skidl stack
23 parts
2 layers36.4 × 38.6 mm
Lt3844 buck manual
freudenthal/skidl-eda
skidl-eda: AI circuit-design loop harness on the skidl stack
25 parts
2 layers48 × 36 mm
Lt8710 sepic manual
freudenthal/skidl-eda
skidl-eda: AI circuit-design loop harness on the skidl stack
35 parts
2 layers38.6 × 39.8 mm
Ltc1871 dual sepic manual
freudenthal/skidl-eda
skidl-eda: AI circuit-design loop harness on the skidl stack
27 parts
2 layers36.6 × 27.7 mm
Ltc1871 sepic manual
freudenthal/skidl-eda
skidl-eda: AI circuit-design loop harness on the skidl stack
20 parts