TLP_USR01 ultrasonic sensor

Introduction: TLP-USR01X is an ultra-small size ultrasonic sensing module that integrates a wide-band MEMS silicon microphone, power management, frequency selection amplifier circuit and voltage comparator, and provides both analog output and digital logic output.

Schematic PCB

Monitor flicker detection sensor

Introduction: A low-end version of the display flicker test sensor produced by opt101 is used with a portable oscilloscope to measure displays with a flicker frequency within 20khz.

Schematic PCB

【Training Camp】Access Control Monitoring-759334A

Introduction: Is the door locked? -- Addressing my OCD. This little thing allows me to check the status of my home door directly on my phone after I go out, so I don’t have to worry about it and doubt myself.

Schematic PCB

USB power meter 3 ports

Introduction: Three-way power meter based on STM32F030K6T6+INA199A2DCKR, C in and A out, higher socket compatibility, can support QC3.0 fast charging, the screen can reach 18W, the maximum is 20V 3A (depends on SI2305 parameters, can be modified by yourself)

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MAGNETIC_MT6xxx

Introduction: MagnTek magnetic encoder driver board (MT6701, MT6816, MT6825)

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Chasing the chicken head

Introduction: Chasing Chicken Heads

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ADS1115 solution test board

Introduction: Design an ADS115 high-precision ADC test board

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EC11 Rotary Encoder Module

Introduction: A very small EC11 rotary encoder module, come and star it!

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MWC_AIRPLANE_V3

Introduction: Micro MULTIWII flight control board, supports 2 motors + 2 servos, suitable for micro fixed-wing aircraft MINIP51. Please refer to https://www.bilibili.com/video/BV1Qh411Q75T/ for tossing records

Schematic PCB

[ZC] Temperature and humidity sensor based on Tuya Smart +924152A

Introduction: The temperature and humidity sensor meter based on Tuya Smart is powered by USB+ battery and can detect power.

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voron 0.1-resonance measurement-ADXL345

Introduction: voron 0.1-klipper resonance measurement

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Engineering Competition 8-way Grayscale (Open Source)

Introduction: Eight-way digital grayscale designed for engineering training competition and smart+track logistics handling project. A photosensitive diode is used to detect the black line, and the potentiometer can be adjusted to control the grayscale detection sensitivity. In fact, the vehicle test accuracy is relatively good and can achieve centimeter-level positioning.

Schematic PCB

[Digital Sensor] HDC2080 digital temperature and humidity sensor

Introduction: This project is HDC2080 digital temperature and humidity sensor

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MWC_AIRPLANE_V2

Introduction: Micro MULTIWII flight control board, supports 2 motors + 2 servos, suitable for micro fixed-wing aircraft MINIP51. Please refer to https://www.bilibili.com/video/BV1Qh411Q75T/ for tossing records

Schematic PCB

MPU6050 verification board

Introduction: Commonly used MPU6050 sensor module GY-521

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Hall encoder

Introduction: Four Halls form a magnetic encoder

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Semiconductor refrigerator temperature control board

Introduction: Semiconductor refrigerator temperature controller, the temperature sensor is DS18B20, the temperature control range is between minus 55 degrees Celsius and above zero 128 degrees Celsius.

Schematic PCB

SPV2011-SLT

Introduction: SPV2011

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SlimeVR poor

Introduction: A board drawn based on the open source project SlimeVR, used for motion capture

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TTP223 micro touch module

Introduction: Everything that can be streamlined has been streamlined, striving to minimize the size. More suitable for adding lights to hand models!

Schematic PCB