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NRF51822 Beacon Module bluetooth RSSI Positioning Module
$10.20
1. Easy and fast customization of extremely low cost enclosures; 2. UUID, Major, Minor and other parameters can be changed according to customer needs; 3. Beacon barcode for easy identification;...
Photoelectric Sensor Infrared Photoelectric Switch 1M Infrared Emission+ Receive Range Detection Module
$4.53
Specifications: Shooting distance: 1M Emission wavelength: 850nm Line length: 300mm Working voltage: DC 5V Working current: 20mA Output current: 16mA (can directly drive the relay) Emission angle: straight line...
PLUS2 ESP32-PICO Mini IoT Development Board Kit bluetooth and WiFi ESP32 Bigger Screen IoT Controller
$34.64
Developed based on ESP32-PICO-V3-02, supports WiFi Built-in 3-axis accelerometer and 3-axis gyroscope Integrated infrared emission tube Built-in RTC Integrated microphone User buttons, LCD (1.14 inches), power/reset button 200mAh lithium battery...
PM2.5 Laser Particulate Matter Sensor PM1.0 PM10 Air Quality Detection Sensor Monitoring Particulate Matter Sensor Module
$25.19
Precise details: Technical Parameters: PM2.5/PM10 measuring range: 0-999ug/m3 PM2.5/PM10 resolution: lug/m3 PM2.5/PM10 accuracy: <±10% of reading (25°C) Consistency of particle concentration: 0-100ug/m3: ±10%; 100-500ug/m3: ±10% Minimum detectable particle diameter: 0.3um...
Programmable Wearable Environmental Interaction WiFi Bluetooth ESP32 Capacitive Touch Screen NFC
$64.04
Hardware Specifications: Chipset ESP32, dual-core MCU, PMU power management FLASH QSPI flash 16MB SRAM 520 kB SRAM / PSRAM 8MB Button power key , IO36 Extended function USB to...
Programmer Module PCB Test Fixture 1*6P 1.27mm Test Tool Gold-plated Probe for Test Module Upload Code
$17.84
- Number of Pins: 1X6P - Pin pitch: 1.27mm - Probe head type: P50-E2(cone), Nickel-plated, durable - Probe head applicable pad: through pad, surface pad - Probe receptacle type: R50-3C...
PWM DC Motor Governor 10V-55V 12V 24V 36V 48V 40A Motor Speed Control Module Controller with Display
$15.61
- Speed controller is made with high quality circuit board which ensures a longer service life.- This simple and easy-to-use DC motor speed controller has an elegant appearance and stable...
PWM DC Motor Speed Controller Max 60A CW CCW Digital Display 0~100% Adjustable Drive Module Build in FAN
$20.40
Specifications: Working voltage range:10V - 55V Output voltage:Linear (under load) Rated current:40A Speed control range:0%——100% digital display Maximum current:60A Control frequency:15KHZ Size:100mm*90mm*45mm Apply to :DC brush motor/brush fan /led...
QF-RD21 5V Power-off Delay Disconnect Relay Module Timer Delay Switch Module
$9.44
Specifications: Voltage: 5V DC (±1.5V) Power consumption: <1.0W Output: Passive output (ie dry contact), relay set of normally open + normally closed output. Do not exceed 10A at most. Time...
QI 7.5W 10W 15W Fast Wireless Charger Tester Voltage Current Meter Testing Detector Indicator
$65.09
Test Power: 5W/7.5W/10W/15W Fan: Yes Uses: Engineers Professional Design Function: Frequency / normal charging / charging full / direct full / direct error / automatic detection/FOD/timer Noted:...
R221A08 8CH Serial Port Relay Module DB9 UART RS232 Remote Control Switch 12V DC for Smart Home
$15.74
>>>Manual: Click here to open<<<Description: - Power Input: DC 12V(8.5-13.5V).- Standby Current: (all relays closed) 18mA, 1 relay open 51mA, 2 relays open 82mA, 3 relays open 112mA, 4 relays...
RC522 I2C RFID Module 13.56MHz Reader Writer Card Module Interface IC Card RF Sensor Module Ultra-Small
$8.39
Introduction: 1. Operating Frequency: 13.56MHz 2. Operating Voltage: 2.5-3.6V 3. Operating Current: 20mA(3.3V power supply) 4. Card Reading Distance: 0-50mm 5. Supporting Type: MIFIRE1 S50 S70 UltraLight Pro 6. Operating...