$13.3

AC/DC ESP32 WIFI Bluetooth 4CH Relay Module ESP32- Development board

$28.5

DSTIKE Deauther MiNi V3 KIT ESP8266 Development Board Kit Type-C Charging USA

$8.47

400W 6V-60V BLDC 3 phase DC Brushless Motor Controller PWM Hall motor Control

$5.38

Uno R3 Board for Arduino with ATMEGA328P and 16U2

$13.87

waveshare RP2040-Zero Pico-Like MCU Development Board Based on Raspberry Pi...

$21.76

1/2/4/8 Channel ESP32 WIFI Bluetooth BLE Relay Module ESP8266 Development Board

$5.89

Bluetooth4.1 Stereo Audio Transmitter KCX_BT_EMITTER USB Sound Card Module Board

$0.99

3x 9V Battery Snap Connector to Dual Wire Clips Cable 18CM Alligator Clip Cable

$499

NXP FRDM-KL46K Freedom Development Board | NEW RF Switch Custom FW 0130

$14.99

Raspberry Pi NRF24l01+ Shield Add-on with Prototyping Area & 5V/3.3V Regulator

$29.5

XBP9B-DMUT-002 XBee Long Range Mesh Radios Sold EA

$5.99

1 Set DIY LED Digital Watch Electronic Clock Kits With Transparent Cover Kit