Evaluation and expansion boards and daughter cards are used to add functionality to microcontroller platforms and are designed to stack onto existing pin headers or preconfigured attachment ports. Common function types include, amplifiers, atomizers, audio, clock timing, interface connectivity, data acquisition/logging, display, human interface, memory, motor drivers, optoelectronics, power management, prototyping, relay and transistors, RF and sensor arrays.
SparkFun Electronics DEV-14153
THING ENVIRONMENT SENSOR SHIELD
60.95
4D Systems GEN4-4DCAPE-43T
LCD CAPE 4.3" RES TOUCH
60.18
TinyCircuits ASD2501-R
TINYSHIELDGPS
59.95
Inventek Systems ISMART43362-E
WI-FI ARDUINO SHIELD -802.11 B/G
58.55
TE Connectivity Measurement Specialties DPP401G000