RJ45 TCP/IP Remote Control Board w/ Integrated 8-CH Relay
250V/AC 10A / supports 485 networking
$44.44 FREE
HM-11 Bluetooth V4.0 Transceiver BLE Module
TI CC2540 / CC2541 chip
$9.14 FREE
400KV Pulse Arc High Voltage Generator Module
3.7-7.4V input
 
(2)
$2.06 FREE
DHT22 AM2302 Digital Temperature Humidity Sensor Module
Arduino compatible / w/ 175mm jumper wire
$3.59 FREE
136' FOV 1MP 1080p HD Wifi Camera Module
two-way audio / App control
$28.02 FREE
XH-W1701 12V High Precision Digital Temperature Controller Board
20'C-90'C control range / w/ waterproof sensor
$4.39 FREE
ZK-502T 50W*2 Bluetooth V5.0 Subwoofer Audio Amplifier Board Module w/ Tone
treble/bass adjustable / dual channel stereo output
$18.35 FREE
LCD1602 Arduino Compatible LCD Keypad Shield
2*16 character backlit display
 
(9)
$5.06 FREE
ZK-DP3A 15W USB Step Up Converter Power Supply Module
w/ LCD display
$10.42 FREE
DC 9-40V to DC 5V Step Down Buck Converter Power Supply Module
over 93% conversion rate / circuit protection
$9.09 FREE
ESP32-CAM Wifi / Bluetooth V4.2 Camera Module Development Board
supports up to 4GB microSD / 2dBi gain antanna / 802.11b/g/n
$9.05 FREE
AC-DC AC 85-265V to DC 12V 3A Power Supply Step Down Module
over temperature/over current / short circuit protection / w/ indicator
$8.77 FREE
DC 8-55V to DC 5V 3A Step Down Buck Converter Power Supply Module
over 93% conversion rate / circuit protection / dual USB female
$7.32 FREE
0.28" 3-Digit LED Voltmeter Module (4-Color / 4-Pack)
4-PACK DC 2.4-30V / red/yellow/blue/green LED light
 
(3)
$5.38 FREE