Lithium-Ion Polymer (LiPo) batteries are a favorite of ours. Very light weight and some of the highest energy densities available.

The SparkFun ESP32-WROOM Thing Plus (USB-C) enjoys all the features of our previous ESP32 Thing Plus (Micro-B) boards, but with a few improvements.

How to recreate the Wheelo Toy

The RP2040 mikroBUS™ Development Board is our latest RP2040 microcontroller (MCU) ‎development board.

The SparkFun LoRa Thing Plus – expLoRaBLE is a feather form-factor development board with the NM180100 system in package (SiP).

The SparkFun Adjustable LiPo Charger is a single-cell lithium polymer (LiPo) and lithium ion battery charger.