Logical pinout · physical placement not verified

5V
Type · Power
3V3
Type · Power
GND
Type · Ground
TXD
Type · UART
RXD
Type · UART
DTR
Type · Control

Pin	Type
5V	Power
3V3	Power
GND	Ground
TXD	UART
RXD	UART
DTR	Control

Logical pinout · physical placement not verified

Pin details

6 connections

5V
Power
3V3
Power
GND
Ground
TXD
UART
RXD
UART
DTR
Control

Converters

113 other options

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.

View all 113

10-bit ADC (SPI) visual preview
10-bit ADC (SPI)
2-Channel RS232 Module for Raspberry Pi Pico visual preview
2-Channel RS232 Module for Raspberry Pi Pico
4-Ch USB 3.2 Gen1 Hub (USB3.2-Gen1-HUB-4U) visual preview
4-Ch USB 3.2 Gen1 Hub (USB3.2-Gen1-HUB-4U)
6-in-1 USB to Serial Converter visual preview
6-in-1 USB to Serial Converter
Adafruit AD5693R 16-Bit I2C DAC Breakout visual preview
Adafruit AD5693R 16-Bit I2C DAC Breakout
$10.95
Adafruit ADS122C04 24-Bit ADC - STEMMA QT / Qwiic visual preview
Adafruit ADS122C04 24-Bit ADC - STEMMA QT / Qwiic
$19.95
Adafruit AW9523 GPIO Expander and LED Driver Breakout visual preview
Adafruit AW9523 GPIO Expander and LED Driver Breakout
Adafruit CAN Pal - CAN Bus Transceiver visual preview
Adafruit CAN Pal - CAN Bus Transceiver
$3.95
Adafruit DAC6578 Breakout - 8-Channel 10-bit I2C DAC visual preview
Adafruit DAC6578 Breakout - 8-Channel 10-bit I2C DAC
$14.95
Adafruit DAC7578 Breakout - 8-Channel 12-bit I2C DAC visual preview
Adafruit DAC7578 Breakout - 8-Channel 12-bit I2C DAC
$24.95
Adafruit DS2484 I2C to 1-Wire Bus Adapter Breakout visual preview
Adafruit DS2484 I2C to 1-Wire Bus Adapter Breakout
$7.50
Adafruit I2S Stereo Decoder - UDA1334A Breakout visual preview
Adafruit I2S Stereo Decoder - UDA1334A Breakout

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 · 180 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

Memory

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

Components · Memory & storage · 39 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 · 58 parts