Показаны результаты 161–180 из 294
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$4.90 – $5.90Ценовой диапазон: от $4.90 до $5.90
Product Wiki & Tutorials Wire the 5 V HLK-LD2410B radar to ESP32 3.3 V logic, check its 256000-baud UART and plan ESPHome presence integration. HLK-LD2410B with ESP32: Wiring, UART Test and Presence Detection → HLK-LD2410B presence radar 24 GHz radar intended for moving/still-target presence sensing; it does not provide a medical heart-rate measurement. Use regulated…
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$3.90
High-concerned chemical: None is_customized: Yes Application: Computer Type: Module Brand Name: NoEnName_Null Origin: Mainland China Condition: New Model Number: HW-632 brief introduction: This product is suitable for charging control of 12-24V batteries, and can freely set the starting charging voltage and stopping charging voltage! Input a voltage of 12-24V from the charger at the IN end and connect it to the battery at…
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$2.60
1. Using LIR2032 rechargeable lithium battery with charging circuit to solve the problem of DS1307 not being able to read and write with backup battery. After being fully charged, it can provide DS1307 timing for 1 year. 2. Introduce the clock pin of DS1307 to provide a clock signal for the microcontroller. 3. Other I2C…
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$3.20
Product Wiki & Tutorials Connect the INA219 in series with a DC load, match the shunt calibration and read voltage, current and power over I2C. INA219 with ESP32: DC Current, Voltage & Power → This module is a sensor module used to detect the current, voltage, and power of circuits. It supports I2C interface communication…
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$2.90
Note that the inductance tester can only test inductance!!! The operation method is as follows: First, power the tester. At this time, the circuit board is not responding, and the tested circuit board needs to be powered on before testing. When testing the inductor, press and hold the switch, and place the front end of…
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$2.80 – $3.90Ценовой диапазон: от $2.80 до $3.90
Product Wiki & Tutorials Wire the I2S microphone, match its left/right slot and capture an audio-level signal with the Arduino-ESP32 3.x I2S API. INMP441 with ESP32: I2S Microphone & Audio-Level Test → Product Description: The INMP441 is a high performance, low power, digital output, omnidirectional MEMS microphone with bottom port. The complete INMP441 solution consists…
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$1.90
This sensor module has strong adaptability to environmental light and has a pair of infrared emission and reception tubes. The emission tube emits infrared radiation at a certain frequency. When the detection direction encounters an obstacle (reflection surface), the infrared radiation is reflected back and received by the reception tube. After being processed by the…
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$3.30
This is a universal DC motor drive module, with pins made compatible with Arduino, making it convenient for enthusiasts to develop based on Arduino. It supports the latest Arduino Uno, arduino mega 2560。 Easy to operate, with powerful driver library support, suitable for Arduino beginners, Arduino experimental equipment platforms, Arduino interactive electronics, Arduino robots, etc….
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$2.20
Using ST’s L298N as the main driver chip, it has the characteristics of strong driving capability, low heat generation, and strong anti-interference ability The output current is large, with an instantaneous peak current of up to 3A and a continuous operating current of 2A Rated power 25W High voltage and high current full bridge driver…
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$6.90
The product which are suitable for electronic enthusiasts to study and repair circuits. We only guarantee that the products are in good condition before delivery, and cannot guarantee 100% success after installation. The installation of the circuit requires the buyer to have experience in the circuit, please read the product description carefully before payment. Battery…
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$7.90
Arduino Leonardo is a microcontroller board based on ATmega32u4. It has 20 digital input/output pins (7 for PWM output and 12 for analog input), a 16 MHz crystal oscillator, a Micro USB interface, a DC interface, an ICSP interface, and a reset button. Leonardo is different from all previous Arduino controllers in that he directly…
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$3.50
Voltage regulator chip: LM2596S-DJ Equipped with reverse connection protection, overheating protection, and short circuit protection Input voltage: DC4.0-40V Output voltage: DC1.25-37V continuously adjustable Output current: maximum 3A Output power: Maximum 10W (5V/2A) Trinity 0.36-inch red digital tube Equipped with an input/output voltage indicator light that can be switched by pressing a button to display the…
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$2.30
1. Input voltage: DC4V-48V; 2. Output voltage: DC3V-40V; 3. Output current: maximum 3A; 4. Conversion efficiency: maximum 92%; 5. Output Ripple:<30mV 6. Switching frequency:150KHz 7. Operating Temperature:-45 ° ~ +85 ° special note 1. The positive and negative terminals of the input and output terminals cannot be reversed, otherwise the module will be damaged; 2….
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$2.50
Input: DC 3.2V to 35V (input voltage must be 1.5 V higher than the output voltage, no boost) Output: DC 1.25V to 30V voltage is continuously adjustable, maximum output current is 3 A Steps: connect to power source, adjust the swirl button on the blue potentiometer and monitor voltage with multimeter to get the needed…
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$2.20
1. Onboard LM358 chip 2. Design of a 100x gain circuit 3. Onboard 10K adjustable resistor with adjustable amplification factor 4. Onboard power indicator light 5. The main pins of the chip have been led out and can directly input and output signals 6. Working voltage: DC 5V～12V The module is suitable for low voltage…
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$15.90
Introduction LMT70 It is a subminiature with output enable pins、high-precision、Low power complementary metal oxide semiconductor (CMOS) Analog temperature sensor。 Multiple LMT70 The output enable pins can be used to share an analog-to-digital converter (ADC) passageway，So as to simplify ADC Calibrate the process and reduce the total cost of precision temperature sensing systems。LMT70 It also has a linear low impedance output，Support and off…
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Оценка: 5.00 из 5
$6.90
Product Wiki & Tutorials Applies to the confirmed LOLIN D1 mini V4 hardware and ESP8266 Arduino setup. LOLIN D1 mini V4: ESP8266 Arduino & Wi-Fi Setup → Technical setup notes LOLIN D1 mini V4 is an ESP8266 board. Install the ESP8266 Arduino core separately from the ESP32 core and select a matching D1 mini profile….
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$10.90
LT3780 module can automatically increase and decrease voltage, and the output voltage can remain stable and unchanged when the input voltage is lower than, higher than, or equal to the output voltage. For example, when setting the output to 12V and the input voltage varies between 5-32V, the output voltage remains stable at 12V; It…
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Оценка: 5.00 из 5
$1.69
MAX30102 Blood Oxygen Concentration Sensor Module Detection Wrist Heart Rate Heartbeat Pulse Sensors Module 8PIN STM32 MCU
