SX1308_positive and negative power supply

Introduction: The positive and negative power supplies that power the op amp are ±5V. By adjusting the capacitor resistance, the output voltage can be changed. The SEPIC boost is used, which is the inverse output of CUK.

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【Solicitation Order】ESP8266-WS2812B

Introduction: WS2812B heart-shaped light panel based on Essence ESP module ESP12F

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[Internet of Things] Lazy switch 1292768A

Introduction: IoT smart home devices based on Hongmeng operating system

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VCT2 offline voice module-Tuya Smart single power supply

Introduction: VCT2 offline voice module-Tuya Smart single power supply

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4S 21700 protection board

Introduction: bilibili's wonderful Zhenhua brother open source 4-string 21700 protection board uses BM3451, supports balancing, balanced current 89mA, designed working current 20A, has not been verified, and will be updated after verification.

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IP5306 mobile power solution

Introduction: IP5306 mobile power supply with outrageous solution

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Tianxuan heating station-heating welding station-barbecue grill

Introduction: Aluminum plate barbecue? The circuit board can grill and learn at the same time ~ Let us have a knowledge barbecue board

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ECG simulation

Introduction: Simulates the ECG signal of the human body's single-lead ECG electrode, replacing the real collection during daily ECG debugging.

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MT3608 boost module

Introduction: Using MT3608 chip, size 15.5*13mm

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M8N GPS integrated 5883 compass

Introduction: M8N GPS integrates 5883 compass and can be used for pixhawk open source flight control

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CIY68typec power supply board

Introduction: CIY68typec power supply board

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PD decoy 20V based on CH224K

Introduction: PD decoder 20V based on CH224K

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Taobao simple steering gear tester copy board

Introduction: Taobao cheap steering gear tester copy board

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ATX power module

Introduction: No introduction

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ETA3000 SOT23-6 5s lithium battery active balancing v2.0

Introduction: ETA3000 SOT23-6 5s lithium battery active balancing v2.0

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XL4005-12V5A V2

Introduction: A buck module made of XL4005. I use it on model aircraft. The area of ​​the board has been reduced based on the previous one.

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XL4005-12V5A

Introduction: I learned how to do it for the first time by looking at other people’s boards and watching videos on station B. Send it out and let the experts help check if there are any serious problems.

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ATX adapter board

Introduction: An adapter board for computer ATX power supply.

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FlyingRC-SCT2650-BEC-V1.0

Introduction: FlyingRC HV BEC V1.0

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FlyingRC-LM3150-BEC-V1.0

Introduction: FlyingRC BEC-M, LM3150 (BUCK)

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