opa22

Introduction: Second stage fixed gain circuit

Schematic PCB

MWC hollow cup flight control + loli control 4-channel reception (minor problems have been fixed)

Introduction: Design based on MWC flight control

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pcb rack integrated mini loli receiver

Introduction: The small frame of the kingkong90GT 2.5-inch time-travel machine exploded, so I modeled the PCB frame according to the original frame and integrated the loli control receiver on the PCB frame to increase the aesthetics and integration. Next project: with warm and cold light adjustment The remote control fluorescent lamp is undergoing hard modification of the video k80 graphics card

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【Training Camp_Advanced Class】Socket for Mental Retardation

Introduction: Mobile APP realizes remote control

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LED control circuit

Introduction: A powerful, simple and practical LED lighting circuit

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k375s small keyboard

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

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esp8266WiFi killer (mini version)

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

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ESP8266 WIFI killer invincible version

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

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[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.

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Doraemon RFID mini mouse pad

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

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pluto sdr software defined radio, radio

Introduction: DIY low-cost radio (fog

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OpenLRS

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

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ExpressLRS_STM32_915M

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

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ELRS_ESP32_E19_433&915M

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

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ATN_2.4G PCB Antenna

Introduction: PCB thickness 1.2mm

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915MHz figure eight PCB antenna

Introduction: 915MHz eight-figure PCB antenna

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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.

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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.

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Pluto_B50612

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

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Loli 12-channel receiver (24v version)

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

Schematic PCB