LED control circuit

Introduction: A powerful, simple and practical LED lighting circuit

Schematic PCB

k375s small keyboard

Introduction: Logitech K375s small keyboard, power supply base plate + PCB + positioning plate + top plate

Schematic PCB

esp8266WiFi killer (mini version)

Introduction: A WIFI killer based on ESP8266, powered by an independent lithium battery and including a charging module.

Schematic PCB

ESP8266 WIFI killer invincible version

Introduction: ESP8266 WIFI killer with download function, lithium battery charging, and external antenna

Schematic PCB

[Guangxi Normal University School Competition] FM FM Receiver

Introduction: This project consists of FM reception, FM-AM conversion, AM detection, etc. The circuit includes one-level high-impedance input, three-level high-frequency amplification and detection output. The detected audio signal is coupled to the transistor through a capacitor for amplification, and is output to the load (headphones) through a headphone socket to listen to the radio program.

Schematic PCB

Doraemon RFID mini mouse pad

Introduction: Doraemon’s classic scene: props appear! Can be used as a small desktop decoration

Schematic PCB

Wireless remote control module based on STM32F1+712976A

Introduction: NRF2401 remote control module based on STM32F103C8T6

Schematic PCB

pluto sdr software defined radio, radio

Introduction: DIY low-cost radio (fog

Schematic PCB

OpenLRS

Introduction: Based on the open source OpenLRS hardware arrangement and construction, 500 mW RFM23 core long-distance communication high-frequency module, Atmega328 microcontroller

Schematic PCB

ExpressLRS_STM32_915M

Introduction: ExpressLRS is an open source RC linker for RC applications.

Schematic PCB

ELRS_ESP32_E19_433&915M

Introduction: ExpressLRS open source firmware supports ebyte E19-433M/915M-500mW module

Schematic PCB

ATN_2.4G PCB Antenna

Introduction: PCB thickness 1.2mm

Schematic PCB

915MHz figure eight PCB antenna

Introduction: 915MHz eight-figure PCB antenna

Schematic PCB

Luoli receiving and ESC all-in-one machine (6CH+9110)

Introduction: Integrating Loli's new 6-channel receiver + two L9110 brushed ESCs, it is designed for two-channel applications such as small aircraft. It hasn't been tested yet, so be careful when entering.

Schematic PCB

21 button 433 remote control

Introduction: This is a common 433 remote control motherboard on the market. Infrared is even simpler and does not require a 433 transmitter circuit.

Schematic PCB

Pluto_B50612

Introduction: A network port Pluto radio modified from the GaAs network port Pluto radio.

Schematic PCB

Loli 12-channel receiver (24v version)

Introduction: Loli 12-channel receiver (24v version)

Schematic PCB

Wireless serial port_host

Introduction: Wireless serial port module, with a baud rate up to 115200, and a total cost of 18 master and slave machines (Jialichuang costs 5 yuan to make the board)

Schematic PCB

ELRS 915TX

Introduction: ExpressLRS-915TX high frequency head ESP32+E19_915M30S module production 868 433 can also be used. The maximum power of the module is 1W

Schematic PCB

Wireless Power Transmission Iron Man Card

Introduction: Reference from https://www.bilibili.com/video/av68564711

Schematic PCB