LOLI tuner

Introduction: LOLI high frequency head, plugged into the remote control of the opentx system and used

Schematic PCB

[Hongshun Training Camp] I want to fly!

Introduction: The hardware is based on NAZE32, and the software is based on Betafight. Use HK32F103C8T6 as the main control chip to push domestic chips into a development boom

Schematic PCB

Loli3 model aircraft remote control-eight-channel receiver

Introduction: The Luoli 3 remote control based on the stc15w408as microcontroller is equipped with an 8-channel receiver.

Schematic PCB

luoli_RX_15W408_TB6612

Introduction: Loli receiver, with 2-way bidirectional brushed ESC

Schematic PCB

frequency doubler

Introduction: Frequency doubler, doubles the input frequency

Schematic PCB

RFFC2071 mixer

Introduction: RFFC2071-based frequency mixer. LO frequency can be written via USB

Schematic PCB

A 915MHz tuner supporting OpenLRS

Introduction: A 915MHz tuner supporting OpenLRS

Schematic PCB

Fossil second generation receiver

Introduction: "Refinement Existing Projects" Moved to OSHWHUB

Schematic PCB

A usable ADF4350 frequency source

Introduction: A very low-cost frequency source using ADF4350. The computer serial port adjusts the frequency from 140MHz to 4.4GHz. The goal is to be usable. The software part comes from github.com/NightIsDark/ADF4350. Thanks.

Schematic PCB

Wireless IMU_3.0-NRF24L01 copy

Introduction: Wireless imu+ force sensor

Schematic PCB

smart car

Introduction: Multifunctional car

Schematic PCB

2.4g wireless

Introduction: 2.4g wireless

Schematic PCB

Wireless 2.4G digital keyboard

Introduction: Disassemble the main control 1.5V wireless 2.4G small numeric keyboard battery: 1.5 V

Schematic PCB

arduino_nano_Nrf24L01_remote control

Introduction: Use arduino nano with Nrf24L01 double rocker to control cars, boats and other supporting receivers

Schematic PCB

nRF52832 development board

Introduction: The nRF52832 minimum system can use the nRF52810 48pin chip and is compatible.

Schematic PCB

line-watch

Introduction: LineWatch is a programmable watch that focuses on wifi and Bluetooth connections and integrates many sensors. Build a watch software system based on micropython language. Currently, main functions such as clock, alarm clock, compass, weather, applications and settings have been implemented.

Schematic PCB

miniESP burner

Introduction: Small size ESP burner

Schematic PCB

75 keyboard

Introduction: 75 keyboard

Schematic PCB

G3UUR crystal testing and screening

Introduction: This circuit refers to the G3UUR crystal testing and screening circuit introduced in the ARRL manual. It can be used with a frequency meter, oscilloscope, and multimeter to measure and screen crystals.

Schematic PCB

【ART-Pi】FM Radio_Board

Introduction: This is an ART_PI expansion board based on the RDA5820 FM transceiver, which can realize the transmission and reception of FM signals. Updated on 2021-3-27: The reception and transmission debugging of the FM band was successful.

Schematic PCB