High Voltages

7 Best development boards for IoT projects

ESP8266

Easy to get started WiFi 49 x 26 mm size 80/160MHz clock speed 1.3 W when active

ESP32

Easy to get started BLE, WiFi 51.8 x 28.2 mm size 240 MHz clock speed 528-858 mW when active

Raspberry pi Zero WH

1GHz single-core CPU BLE, WiFi 65 x 30 mm size 512MB RAM 1.8 W when active

Raspberry pi 4

Quad core 64-bit SoC @ 1.5GHz BLE, WiFi, Ethernet 3.4 x 2.2 x 0.4 in size 1, 2, 4 or 8GB RAM 6 W when active

Raspberry pi pico

Arm Cortex-M0+ processor WiFi 51 x 21 mm size 264KB SRAM 465 mW when active

Arduino MKR WIFi 1010

32bit low power ARM MCU 48 MHz WiFi, BLE 61.5 x 25 mm size 32KB SRAM 465 mW when active

Arduino Nano 33 IoT

32bit low power ARM MCU 48 MHz WiFi, BLE 45 x 18 mm size 32KB SRAM 155 mW when active