Fermion: Serial Data Logger V2.0 for Arduino

Serial data logger supporting up to 32GB SD cards, USB connection, and direct serial printing to TXT or CSV. Suited for offline data collection and field debugging.

Memory

38 other options

24LC32/25LC256 EEPROM, I2C FRAM, 64Mbit PSRAM, and microSD breakouts up to 64GB — matched to write frequency and data volume, not just interface.

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256MB Micro SD Memory Card visual preview

Related groups

4 groups

LED pixels

WS2812/SK6812 NeoPixel strips, rings and Jewels, APA102 DotStar pixels, and plain analog RGB strips — each matched to its protocol and host, not just its connector.

Components · Addressable LEDs · 176 parts

Bare ICs

74HC logic gates, MCP3008/MCP23017 ADCs and expanders, 24LC256 EEPROM, 4N25-series optocouplers and ULN2803A drivers — bare DIP chips with no breakout-board conveniences like pull-ups or level shifting.

Components · Integrated circuits · 68 parts

Converters

ADS1115/MCP3421 ADCs, MCP4725 and GP8413 DACs, CP2102 USB-UART boards, and I2C plumbing like the LTC4316 address shifter — matched to bus, resolution and signal range.

Components · Interface converters · 115 parts

Passives

E12 resistor kits, ceramic and electrolytic capacitor sets, 1N4148/1N4007 diodes, TIP120 Darlingtons, IRLZ44N MOSFETs and 100F supercapacitors — bench stock in kit quantities.

Components · Passives · 56 parts