TP4056 Charger Booster 2A

Introduction: TP4056 LiIon Charger Protector Booster 2A

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Temperatur Humidity Sensor SHT21

简介：This is new small Temperature/Humidity Sensor

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IOT Development Board

Introduction: IOT development board

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ATtiny85 TinyFMradio

Introduction: ATtiny85 controlled FM radio.

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ATmega UPDI Programmer

简介：UPDI programmer for the new AVR megaTiny microcontrollers.

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ATmega Development Board DIP

Introduction: Small development board for DIP-versions of ATmega 8/168/328.

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smallest system

Introduction:.

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Relay module

Introduction: One-way optocoupler relay module, active at high level.

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358 breathing light

Introduction: Analog Electrical Experiment

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Simple hearing aid

Introduction: Simple hearing aid based on TDA2320A

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(Ultra-low cost) 14-Bit, 165M high-speed and high-precision analog-to-digital conversion module DAC904/902

Introduction: (Ultra-low cost) 14-Bit, 165M high-speed and high-precision analog-to-digital conversion module. High-speed and high-precision analog-to-digital conversion module based on DAC904E and AD8055. A high-speed DA board with a cost as low as 4 yuan.

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NFC IDcard

Introduction: NFC business card based on avr and nxp nfc ic

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mic_rf_rx

Introduction: One to two wireless microphones, one to many.

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Small passive DC constant current electronic load

Introduction: A small DC adjustable constant current (CC) electronic load for testing constant voltage DC power supplies.

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Lithium battery low battery indicator module

Introduction: Used to indicate whether the power of a single lithium battery (4.2) is insufficient.

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Active DC constant current electronic load

Introduction: Active DC constant current electronic load, using Intel 775 radiator, designed power 90W, with built-in voltage and ammeter.

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16-bit serial DAC module

Introduction: Can’t afford an expensive 16-bit DAC? Come check out this poor man's 16-bit serial DAC module.

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【Course Design】Air Purifier

Introduction: Build an air purifier main control with pure hardware, automatically identify the air quality, and automatically switch between three gears according to the air quality to purify and output fresh air. The indicator light indicates the current air quality, the gears are switched, and the buzzer prompts.

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TDA7294

Introduction: TDA7293 and TDA7294 universal mono amplifier board

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tda7264

Introduction: 25W+25W two-channel power amplifier board

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