Best Hiletgo in 2026

ESP8266 CP2102 NodeMCU LUA ESP-12E WIFI Serial Wireless Module

Built-in Micro-USB, with flash and reset switches, easy to program

Arduino compatible, works great with the latest Arduino IDE/Mongoose IoT/Micropython

2.4GHz Dual Mode WiFi + Bluetooth Development Board

Ultra-Low power consumption, works perfectly with the Arduino IDE

Support LWIP protocol, Freertos

The module uses genuine quality relay, normally open interfaces , Maximum load: AC 250V/10A, DC 30V/10A.

Using SMD optocoupler isolation, strong driving capability, stable performance; trigger current 5mA.

Fault-tolerant design, even if the control line is broken, the relay will not move.

Viewing area size: 64.5mm x 16mm

Color: white on blue with backlight

Can display 2-lines X 16-characters

High quality 2004 LCD screen with IIC i2c Adapter, Displays 4-lines X 20-characters.

Backlight control, you can control by jumpers, can also be controlled by the program.

IIC/I2C interface was developed to reduce the IO port usage on Arduino board.

Main Chip: AOSONG AM2302 High Sensitive Temperature Humidity Sensor

Single-bus digital signal output, bidirectional serial data

With fixing screw hole, convenient to install and fixed

4 M2 screw holes for easy installation.

4-digit LED display module with LED brightness adjustable and clock point.

Display device is a total of 4 red LED word tube. Digital tube 8 grayscale adjustable.

Model: WH148 B10K Ohm

Single potentiometer, linear diversify of resistance

15mm Actuator Length

Works with any USB Bluetooth adapters, running in slave role: Pair with BT dongle. Led indicate Bluetooth connection status, flashing Bluetooth connectivity, lit the Bluetooth connection and open a port Backplane

Core module uses HC-06, leads from the module interface includes VCC, GND, TXD, RXD, reserve LED status output pin, the microcontroller can be judged by the foot state Bluetooth has connected KEY pin slave invalid.

Small size, low power consumption,high sensitivity for send and receive. Bluetooth version: V2.0+EDR &Operating voltage: 3.3V &Host Interface:UART &Storage Temperature:-40℃~+150℃&Signal coverage: 30ft &Item size: 4.3 * 1.6 * 0.7cm &Item weight: 3g.

L298N as main driver chip makes strong driving ability/small heating/strong anti-interference/low calorific value

Use large-capacity filter capacitors and diode with freewheeling protection function, increasing reliability

Dual-channel H-bridge driver working mode creates higher working efficiency

Connector 1:SMA Female straight

Connector 2:IPX/U.FL Connector

Impendence :50 ohm

The ADXL345 is a small, thin, ultra-low power 3-axis accelerometer with high resolution (13 bits) and measurement range of ± 16g.

The digital output data is in 16-bit twos complement format and is accessible via SPI (3-wire or 4-wire) or I2C digital interface.

Its high resolution (3.9 mg / LSB) enables measurement of tilt angle changes of less than 1.0 °

Operating voltage range: DC 4.5-20V

Quiescent Current: <50uA Trigger: L can not be repeated trigger/H can be repeated trigger(Default repeated trigger)

Delay time: 5-200S(adjustable) the range is (0.xx second to tens of second)

HiLetgo 10pcs 5V 1A 18650 Lithium Battery Charging Board

Input Voltage: 5V

Charging cut-off voltage: 4.2V ± 1%

MPU-6050 MPU6050 6-axis Accelerometer Gyroscope Sensor

Communication mode : standard IIC communication protocol

Chip built-in 16bit AD converter, 16bit data output

D1 Mini Relay Shield 5V Relay Module

NO: 5A(250VAC/30VDC), 10A(125VAC), MAX:1250VA/150W

NC: 3A(250VAC/30VDC), MAX:750VA/90W

Super mini volume: 1.85 x 2.11 cm.Can be easily placed in a variety of digital products within a small space, high efficiency amplification

Dual-channel stereo, 5V power supply can output 3W +3 W power, can be directly driven 4Ω, 8Ω small speakers, the output power, enough energy, good sound quality.

Excellent noise suppression, no audio input in the case of ear close to the speaker can not hear any noise.

*The meter can only measure the active power(real power). It doesn't show Apparent power. If you measure power from a DC-AC inverter please make sure it's PURE SINE WAVE. Otherwise the meter can be burnt or melted.

*Voltage test range: One-Phase 80~260V AC Power, 50/60HZ; Current test range: 0~100A; Inner diameter of the CT: 15mm/0.6''.

*Overload alarm function (over power alarm threshold, backlight and power flickering prompt).

100% complete machine patch, wave soldering, stable performance, good consistency.

Embedded CPU chip (MCU), more intelligent, lower power consumption.

Automatic power set memory (MCU built-in EEPROM memory unit).

Mounting Hole Size: Φ16mm (5/8 Inch), Switch Combination : 1NO1NC.

Operation Type : Latching/ Self-Locking [Push it - ON, push it again - OFF].

Ring LED can be on all the time or only when switch is on which depends on how you wire it.

5V isolate with MCU, and effectively protect MCU; 5V power indicator on board.

Voltage indication of motor driver output end; can solder heat sink.

Just need four lines from MCU to driver module (GND. 5V. PWM1. PWM2); isolation chip 5 V power supply (can share with MCU 5 V).

XL6009 is a high-performance 400KHz 4A switch currency step-up (BOOST) module. This module is coming with the 3rd generation high-frequency switch technology as the core chip, The performance is much higher than LM2577

Wide input voltage: 3V~32V;Optimum operating voltage range: 5~32V;Wide output voltage: 5V~35V

With 4A high efficiency MOSFET switches, the efficiency of XL6009 can be up to 94%(LM2577current is 3A)

Working voltage: DC 2.7-12V.

AM312 Human Sensing Module: Based on passive body infrared technology digital intelligent automatic control products, high sensitivity, reliability, widely used in various types of automatic induction electrical equipment.

Low power consumption and small size for easy embedded installation.

Module uses genuine high quality relay, normally open interface maximum load: AC 250V / 10A, DC 30V / 10A

Using optocoupler chip isolation, strong drive capability, stable performance; trigger current 5mA

Module can be set by jumper high or low trigger

Input voltage: 220V AC

Output voltage: 50V-220V(Output voltage < = Input supply voltage)

The maximum output power: 2000W; The maximum output current :25A

Driver element: a-Si TFT active matrix

Resolution (dots): 240RGB*320Dots

Viewing Direction: 6 o’clock

5V 650nm 5mW Red Dot Diode Laser Head Red Laser Diode 6mm Red Laser Diode Laser Head

Wave length: 650nm

Wide range of wroking temperature: -10°C to +40°C

400 Points Breadboard with 2 Positive & Negative Power Lines on both ends.Perfect for Arduino Shield Prototyping and Testing.

Insertion Wire Size is 21 to 26 AWG, 0.016 to 0.028 inches diameter (0.4 to 0.7mm diameter),works with dupont jumper wires kit.

White ABS body with black printed legend. Color legend on distribution strips.

Power supply: You can directly use the MICRO USB Android cable 5V for direct power supply, or you can also connect 5V power supply or 3.7V lithium battery (as shown below). Note that the 5V and 3.7V power supply interfaces are different. The 5V voltage is connected to 5V and GND, and the 3.7V lithium battery is connected to VBAT and GND.

Audio output: The earphone can be directly connected to the 3.5mm audio interface, or it can be wired for the audio input of the power amplifier board (the interface L/R/AGND can be directly wired as shown).

High precision ADS1115 16 Bit 4 Channel Analog-to-Digital ADC Converter

An easy to use I2C ADC Converter, with Programmable Gain Amplifier

Especially a good tool for Raspberry Pi that doesn't come with analog GPIO pins