Arduino on Tindie

CH340G USB to Serial Adapter for Arduino Pro Mini

IOTMCU

$1.80

monoView - An arduino with built in display

Potato Company

$18.00

D1 Mini Breadboard Buddy

Brian Lough

$5.00

GreenHat for the IoTT Stick

IoTT - Internet of Toy Trains

$43.50

VL53L0X ToF Breakout - with STM32, UART, I2C

lamblabs

$15.99

Open drain Power Board® for Arduino- i2c - MODBUS

pcblab.io

$40.00

CNC Experimenter's Shield

reactive

$59.21

UDPI programmer PCB kit for Arduino Nano

Splatura Designs

$5.00

dipDuino 1.2

AtomSoftTech

$35.00

32 Channel Servo Controller PCA9685 for Arduino

Fuzzy Noodle

$36.00

RFCat N32 Long range Bluetooth development board

RFCat

$29.00

ADS1292R ECG/Respiration breakout kit

ProtoCentral Electronics

$59.00

Naked Mega 2 Arduino Mega 2560 compatible board

Fuzzy Noodle

$16.95

MCP25625 Mini Can Bus Shield (MCP2515 compatible)

Gerald Just

$20.00

VCNL3040 breakout

JenertsA

$7.20

Arduino Thermal Paper Printer Shield

R2Z

$40.00

Intro to Arduino Shield

Hammes Hacks

$15.00

AT28C16 EEPROM Programmer

MomsBasement

$30.00

Arduino-MKR Relay Shield

Omzlo

$9.50

Reflow Oven Controller Motherboard for Arduino Pro Micro

0xPIT

$15.00

XY Oscilloscope Display Shield for Arduino

High Voltage Fun

$25.00

HKW581 arduino shield

Microcontroller-projects

$8.00

2.7V, 3.3V, 5V AVR prog. shield for Arduino Nano

FemtoCow

$17.99

ESP8266 RGB LED onboard development platform

power_market

$9.80

RedHat Shield with Standard Pin Headers

IoTT - Internet of Toy Trains

$15.50

Optical UART Shield for Arduino (M120v3)

SushiBits

$4.95

DiTell - A 4-digit miniature display for debugging

jdn

$24.00

OLEDiUNO Car Voltmeter

Phoenix CNC, OLEDiUNO

$46.95

Wokwi Uno with USB Type C

Wokwi

$29.90

ATMega328p with onboard 1.54" high res TFT display

Olabec

$29.00

SushiBits ARM Classic Development Kit

SushiBits

$34.95

ATtiny85/13A "Nano" develpment Kit

CanHobby

$5.75

Spooky Halloween Kit - Animate the Inanimate

Smart-Prototyping

$15.99

ArdiPi Wireless Alternative of UNO Based on Pico W

SB Components

$36.99